Collection: O-Rings - General Purpose - Nitrile Rubber Bulk

O-Rings -> General Purpose -> Nitrile Rubber Bulk
Inside Diameter (ID) Section (t) Colour Hardness Special Applications Indicative
Image
General Purpose O-Rings - 3x1 mm - Black Nitrile Rubber Bulk - Nitrile NBR, BUNA-N O-Ring
Inside Diameter (ID)
3.00
mm

(Equiv. 0.118 in.)
Section (t)
1.00
mm

(Equiv. 0.039 in.)
Colour
Black

Hardness
Duro 70
General Purpose O-Rings - 3x1 mm - Black Nitrile Rubber Bulk - Nitrile NBR, BUNA-N O-Ring
Material: Nitrile (NBR, BUNA-N)   
Part Number: ORB-00300-100-N70 (PK-50000)
1 pack (50000 pcs) Available Now | Further orders can be expected around Tue, Feb 24, 2026
Regular price $315.05 AUD
Regular price Sale price $315.05 AUD
Priced, Stocked and Sold Per 50000 Units
Excludes GST and overseas Taxes & Duties
Quantity Required

Larger quantities than the 1 available can be backordered.
Inside Diameter (ID) Section (t) Colour Hardness Indicative
Image
General Purpose O-Rings - 3x1 mm - Black Nitrile Rubber Bulk - Nitrile NBR, BUNA-N O-Ring
Inside Diameter (ID)
3.00
mm

(Equiv. 0.118 in.)
Section (t)
1.00
mm

(Equiv. 0.039 in.)
Colour
Black

Hardness
Duro 70
General Purpose O-Rings - 3x1 mm - Black Nitrile Rubber Bulk - Nitrile NBR, BUNA-N O-Ring
Material: Nitrile (NBR, BUNA-N)   
Part Number: ORB-00300-100-N70 (PK-50000)
1 pack (50000 pcs) Available Now | Further orders can be expected around Tue, Feb 24, 2026
Regular price $315.05 AUD
Regular price Sale price $315.05 AUD
Priced, Stocked and Sold Per 50000 Units
Excludes GST and overseas Taxes & Duties
Quantity Required

1 pack (50000 pcs) Available Now. Backorder if more than 1.
General Purpose O-Rings - 3x1.5 mm - Black Nitrile Rubber Bulk - Nitrile NBR, BUNA-N O-Ring
Inside Diameter (ID)
3.00
mm

(Equiv. 0.118 in.)
Section (t)
1.50
mm

(Equiv. 0.059 in.)
Colour
Black

Hardness
Duro 70
General Purpose O-Rings - 3x1.5 mm - Black Nitrile Rubber Bulk - Nitrile NBR, BUNA-N O-Ring
Material: Nitrile (NBR, BUNA-N)   
Part Number: ORB-00300-150-N70 (PK-41500)
1 pack (41500 pcs) Available Now | Further orders can be expected around Tue, Feb 24, 2026
Regular price $392.23 AUD
Regular price Sale price $392.23 AUD
Priced, Stocked and Sold Per 41500 Units
Excludes GST and overseas Taxes & Duties
Quantity Required

Larger quantities than the 1 available can be backordered.
General Purpose O-Rings - 3x1.5 mm - Black Nitrile Rubber Bulk - Nitrile NBR, BUNA-N O-Ring
Inside Diameter (ID)
3.00
mm

(Equiv. 0.118 in.)
Section (t)
1.50
mm

(Equiv. 0.059 in.)
Colour
Black

Hardness
Duro 70
General Purpose O-Rings - 3x1.5 mm - Black Nitrile Rubber Bulk - Nitrile NBR, BUNA-N O-Ring
Material: Nitrile (NBR, BUNA-N)   
Part Number: ORB-00300-150-N70 (PK-41500)
1 pack (41500 pcs) Available Now | Further orders can be expected around Tue, Feb 24, 2026
Regular price $392.23 AUD
Regular price Sale price $392.23 AUD
Priced, Stocked and Sold Per 41500 Units
Excludes GST and overseas Taxes & Duties
Quantity Required

1 pack (41500 pcs) Available Now. Backorder if more than 1.
General Purpose O-Rings - 3x2 mm - Black Nitrile Rubber Bulk - Nitrile NBR, BUNA-N O-Ring
Inside Diameter (ID)
3.00
mm

(Equiv. 0.118 in.)
Section (t)
2.00
mm

(Equiv. 0.079 in.)
Colour
Black

Hardness
Duro 70
General Purpose O-Rings - 3x2 mm - Black Nitrile Rubber Bulk - Nitrile NBR, BUNA-N O-Ring
Material: Nitrile (NBR, BUNA-N)   
Part Number: ORB-00300-200-N70 (PK-35500)
1 pack (35500 pcs) Available Now | Further orders can be expected around Tue, Feb 24, 2026
Regular price $335.50 AUD
Regular price Sale price $335.50 AUD
Priced, Stocked and Sold Per 35500 Units
Excludes GST and overseas Taxes & Duties
Quantity Required

Larger quantities than the 1 available can be backordered.
General Purpose O-Rings - 3x2 mm - Black Nitrile Rubber Bulk - Nitrile NBR, BUNA-N O-Ring
Inside Diameter (ID)
3.00
mm

(Equiv. 0.118 in.)
Section (t)
2.00
mm

(Equiv. 0.079 in.)
Colour
Black

Hardness
Duro 70
General Purpose O-Rings - 3x2 mm - Black Nitrile Rubber Bulk - Nitrile NBR, BUNA-N O-Ring
Material: Nitrile (NBR, BUNA-N)   
Part Number: ORB-00300-200-N70 (PK-35500)
1 pack (35500 pcs) Available Now | Further orders can be expected around Tue, Feb 24, 2026
Regular price $335.50 AUD
Regular price Sale price $335.50 AUD
Priced, Stocked and Sold Per 35500 Units
Excludes GST and overseas Taxes & Duties
Quantity Required

1 pack (35500 pcs) Available Now. Backorder if more than 1.
General Purpose O-Rings - 3x3 mm - Black Nitrile Rubber Bulk - Nitrile NBR, BUNA-N O-Ring
Inside Diameter (ID)
3.00
mm

(Equiv. 0.118 in.)
Section (t)
3.00
mm

(Equiv. 0.118 in.)
Colour
Black

Hardness
Duro 70
General Purpose O-Rings - 3x3 mm - Black Nitrile Rubber Bulk - Nitrile NBR, BUNA-N O-Ring
Material: Nitrile (NBR, BUNA-N)   
Part Number: ORB-00300-300-N70 (PK-23500)
Out of Stock | Backorder Now | Orders can be expected around Fri, Jan 16, 2026
Regular price $666.32 AUD
Regular price Sale price $666.32 AUD
Priced, Stocked and Sold Per 23500 Units
Excludes GST and overseas Taxes & Duties
Quantity Required

Backorder: Out of Stock.
General Purpose O-Rings - 3x3 mm - Black Nitrile Rubber Bulk - Nitrile NBR, BUNA-N O-Ring
Inside Diameter (ID)
3.00
mm

(Equiv. 0.118 in.)
Section (t)
3.00
mm

(Equiv. 0.118 in.)
Colour
Black

Hardness
Duro 70
General Purpose O-Rings - 3x3 mm - Black Nitrile Rubber Bulk - Nitrile NBR, BUNA-N O-Ring
Material: Nitrile (NBR, BUNA-N)   
Part Number: ORB-00300-300-N70 (PK-23500)
Out of Stock | Backorder Now | Orders can be expected around Fri, Jan 16, 2026
Regular price $666.32 AUD
Regular price Sale price $666.32 AUD
Priced, Stocked and Sold Per 23500 Units
Excludes GST and overseas Taxes & Duties
Quantity Required

Backorder: Out of Stock.
General Purpose O-Rings - 3.1x1.6 mm - Black Nitrile Rubber Bulk - Nitrile NBR, BUNA-N O-Ring
Inside Diameter (ID)
3.10
mm

(Equiv. 0.122 in.)
Section (t)
1.60
mm

(Equiv. 0.063 in.)
Colour
Black

Hardness
Duro 70
General Purpose O-Rings - 3.1x1.6 mm - Black Nitrile Rubber Bulk - Nitrile NBR, BUNA-N O-Ring
Material: Nitrile (NBR, BUNA-N)   
Part Number: ORB-00310-160-N70 (PK-39500)
Out of Stock | Backorder Now | Orders can be expected around Tue, Feb 24, 2026
Regular price $622.23 AUD
Regular price Sale price $622.23 AUD
Priced, Stocked and Sold Per 39500 Units
Excludes GST and overseas Taxes & Duties
Quantity Required

Backorder: Out of Stock.
General Purpose O-Rings - 3.1x1.6 mm - Black Nitrile Rubber Bulk - Nitrile NBR, BUNA-N O-Ring
Inside Diameter (ID)
3.10
mm

(Equiv. 0.122 in.)
Section (t)
1.60
mm

(Equiv. 0.063 in.)
Colour
Black

Hardness
Duro 70
General Purpose O-Rings - 3.1x1.6 mm - Black Nitrile Rubber Bulk - Nitrile NBR, BUNA-N O-Ring
Material: Nitrile (NBR, BUNA-N)   
Part Number: ORB-00310-160-N70 (PK-39500)
Out of Stock | Backorder Now | Orders can be expected around Tue, Feb 24, 2026
Regular price $622.23 AUD
Regular price Sale price $622.23 AUD
Priced, Stocked and Sold Per 39500 Units
Excludes GST and overseas Taxes & Duties
Quantity Required

Backorder: Out of Stock.
General Purpose O-Rings - 3.15x1.8 mm - Black Nitrile Rubber Bulk - Nitrile NBR, BUNA-N O-Ring
Inside Diameter (ID)
3.15
mm

(Equiv. 0.124 in.)
Section (t)
1.80
mm

(Equiv. 0.071 in.)
Colour
Black

Hardness
Duro 70
General Purpose O-Rings - 3.15x1.8 mm - Black Nitrile Rubber Bulk - Nitrile NBR, BUNA-N O-Ring
Material: Nitrile (NBR, BUNA-N)   
Part Number: ORB-00315-180-N70 (PK-41500)
Out of Stock | Backorder Now | Orders can be expected around Tue, Feb 24, 2026
Regular price $653.77 AUD
Regular price Sale price $653.77 AUD
Priced, Stocked and Sold Per 41500 Units
Excludes GST and overseas Taxes & Duties
Quantity Required

Backorder: Out of Stock.
General Purpose O-Rings - 3.15x1.8 mm - Black Nitrile Rubber Bulk - Nitrile NBR, BUNA-N O-Ring
Inside Diameter (ID)
3.15
mm

(Equiv. 0.124 in.)
Section (t)
1.80
mm

(Equiv. 0.071 in.)
Colour
Black

Hardness
Duro 70
General Purpose O-Rings - 3.15x1.8 mm - Black Nitrile Rubber Bulk - Nitrile NBR, BUNA-N O-Ring
Material: Nitrile (NBR, BUNA-N)   
Part Number: ORB-00315-180-N70 (PK-41500)
Out of Stock | Backorder Now | Orders can be expected around Tue, Feb 24, 2026
Regular price $653.77 AUD
Regular price Sale price $653.77 AUD
Priced, Stocked and Sold Per 41500 Units
Excludes GST and overseas Taxes & Duties
Quantity Required

Backorder: Out of Stock.
General Purpose O-Rings - 3.17x1.78 mm - Black Nitrile Rubber Bulk - Nitrile NBR, BUNA-N O-Ring
Inside Diameter (ID)
3.17
mm

(Equiv. 0.125 in.)
Section (t)
1.78
mm

(Equiv. 0.07 in.)
Colour
Black

Hardness
Duro 70
General Purpose O-Rings - 3.17x1.78 mm - Black Nitrile Rubber Bulk - Nitrile NBR, BUNA-N O-Ring
Material: Nitrile (NBR, BUNA-N)   
Part Number: ORB-00317-178-N70-801 (PK-10000)
Contact Us | Special Order Only - Please contact us if you need a large quantity
General Purpose O-Rings - 3.17x1.78 mm - Black Nitrile Rubber Bulk - Nitrile NBR, BUNA-N O-Ring
Inside Diameter (ID)
3.17
mm

(Equiv. 0.125 in.)
Section (t)
1.78
mm

(Equiv. 0.07 in.)
Colour
Black

Hardness
Duro 70
General Purpose O-Rings - 3.17x1.78 mm - Black Nitrile Rubber Bulk - Nitrile NBR, BUNA-N O-Ring
Material: Nitrile (NBR, BUNA-N)   
Part Number: ORB-00317-178-N70-801 (PK-10000)
Contact Us | Special Order Only - Please contact us if you need a large quantity | Orders can be expected around Wed, Sep 20, 2028
General Purpose O-Rings - 3.2x1.2 mm - Black Nitrile Rubber Bulk - Nitrile NBR, BUNA-N O-Ring
Inside Diameter (ID)
3.20
mm

(Equiv. 0.126 in.)
Section (t)
1.20
mm

(Equiv. 0.047 in.)
Colour
Black

Hardness
Duro 70
General Purpose O-Rings - 3.2x1.2 mm - Black Nitrile Rubber Bulk - Nitrile NBR, BUNA-N O-Ring
Material: Nitrile (NBR, BUNA-N)   
Part Number: ORB-00320-120-N70 (PK-10000)
Contact Us | Special Order Only - Please contact us if you need a large quantity
General Purpose O-Rings - 3.2x1.2 mm - Black Nitrile Rubber Bulk - Nitrile NBR, BUNA-N O-Ring
Inside Diameter (ID)
3.20
mm

(Equiv. 0.126 in.)
Section (t)
1.20
mm

(Equiv. 0.047 in.)
Colour
Black

Hardness
Duro 70
General Purpose O-Rings - 3.2x1.2 mm - Black Nitrile Rubber Bulk - Nitrile NBR, BUNA-N O-Ring
Material: Nitrile (NBR, BUNA-N)   
Part Number: ORB-00320-120-N70 (PK-10000)
Contact Us | Special Order Only - Please contact us if you need a large quantity | Orders can be expected around Wed, Sep 20, 2028
General Purpose O-Rings - 3.3x0.89 mm - Black Nitrile Rubber Bulk - Nitrile NBR, BUNA-N O-Ring
Inside Diameter (ID)
3.30
mm

(Equiv. 0.13 in.)
Section (t)
0.89
mm

(Equiv. 0.035 in.)
Colour
Black

Hardness
Duro 70
General Purpose O-Rings - 3.3x0.89 mm - Black Nitrile Rubber Bulk - Nitrile NBR, BUNA-N O-Ring
Material: Nitrile (NBR, BUNA-N)   
Part Number: ORB-00330-089-N70 (PK-10000)
Contact Us | Special Order Only - Please contact us if you need a large quantity
General Purpose O-Rings - 3.3x0.89 mm - Black Nitrile Rubber Bulk - Nitrile NBR, BUNA-N O-Ring
Inside Diameter (ID)
3.30
mm

(Equiv. 0.13 in.)
Section (t)
0.89
mm

(Equiv. 0.035 in.)
Colour
Black

Hardness
Duro 70
General Purpose O-Rings - 3.3x0.89 mm - Black Nitrile Rubber Bulk - Nitrile NBR, BUNA-N O-Ring
Material: Nitrile (NBR, BUNA-N)   
Part Number: ORB-00330-089-N70 (PK-10000)
Contact Us | Special Order Only - Please contact us if you need a large quantity | Orders can be expected around Wed, Sep 20, 2028
General Purpose O-Rings - 3.3x2.4 mm - Black Nitrile Rubber Bulk - Nitrile NBR, BUNA-N O-Ring
Inside Diameter (ID)
3.30
mm

(Equiv. 0.13 in.)
Section (t)
2.40
mm

(Equiv. 0.094 in.)
Colour
Black

Hardness
Duro 70
General Purpose O-Rings - 3.3x2.4 mm - Black Nitrile Rubber Bulk - Nitrile NBR, BUNA-N O-Ring
Material: Nitrile (NBR, BUNA-N)   
Part Number: ORB-00330-240-N70 (PK-8000)
Out of Stock | Backorder Now | Orders can be expected around Tue, Feb 24, 2026
Regular price $252.14 AUD
Regular price Sale price $252.14 AUD
Priced, Stocked and Sold Per 8000 Units
Excludes GST and overseas Taxes & Duties
Quantity Required

Backorder: Out of Stock.
General Purpose O-Rings - 3.3x2.4 mm - Black Nitrile Rubber Bulk - Nitrile NBR, BUNA-N O-Ring
Inside Diameter (ID)
3.30
mm

(Equiv. 0.13 in.)
Section (t)
2.40
mm

(Equiv. 0.094 in.)
Colour
Black

Hardness
Duro 70
General Purpose O-Rings - 3.3x2.4 mm - Black Nitrile Rubber Bulk - Nitrile NBR, BUNA-N O-Ring
Material: Nitrile (NBR, BUNA-N)   
Part Number: ORB-00330-240-N70 (PK-8000)
Out of Stock | Backorder Now | Orders can be expected around Tue, Feb 24, 2026
Regular price $252.14 AUD
Regular price Sale price $252.14 AUD
Priced, Stocked and Sold Per 8000 Units
Excludes GST and overseas Taxes & Duties
Quantity Required

Backorder: Out of Stock.
General Purpose O-Rings - 3.4x1.9 mm - Black Nitrile Rubber Bulk - Nitrile NBR, BUNA-N O-Ring
Inside Diameter (ID)
3.40
mm

(Equiv. 0.134 in.)
Section (t)
1.90
mm

(Equiv. 0.075 in.)
Colour
Black

Hardness
Duro 70
General Purpose O-Rings - 3.4x1.9 mm - Black Nitrile Rubber Bulk - Nitrile NBR, BUNA-N O-Ring
Material: Nitrile (NBR, BUNA-N)   
Part Number: ORB-00340-190-N70 (PK-7000)
Out of Stock | Backorder Now | Orders can be expected around Tue, Feb 24, 2026
Regular price $220.59 AUD
Regular price Sale price $220.59 AUD
Priced, Stocked and Sold Per 7000 Units
Excludes GST and overseas Taxes & Duties
Quantity Required

Backorder: Out of Stock.
General Purpose O-Rings - 3.4x1.9 mm - Black Nitrile Rubber Bulk - Nitrile NBR, BUNA-N O-Ring
Inside Diameter (ID)
3.40
mm

(Equiv. 0.134 in.)
Section (t)
1.90
mm

(Equiv. 0.075 in.)
Colour
Black

Hardness
Duro 70
General Purpose O-Rings - 3.4x1.9 mm - Black Nitrile Rubber Bulk - Nitrile NBR, BUNA-N O-Ring
Material: Nitrile (NBR, BUNA-N)   
Part Number: ORB-00340-190-N70 (PK-7000)
Out of Stock | Backorder Now | Orders can be expected around Tue, Feb 24, 2026
Regular price $220.59 AUD
Regular price Sale price $220.59 AUD
Priced, Stocked and Sold Per 7000 Units
Excludes GST and overseas Taxes & Duties
Quantity Required

Backorder: Out of Stock.
General Purpose O-Rings - 3.5x1 mm - Black Nitrile Rubber Bulk - Nitrile NBR, BUNA-N O-Ring
Inside Diameter (ID)
3.50
mm

(Equiv. 0.138 in.)
Section (t)
1.00
mm

(Equiv. 0.039 in.)
Colour
Black

Hardness
Duro 70
General Purpose O-Rings - 3.5x1 mm - Black Nitrile Rubber Bulk - Nitrile NBR, BUNA-N O-Ring
Material: Nitrile (NBR, BUNA-N)   
Part Number: ORB-00350-100-N70 (PK-39500)
Out of Stock | Backorder Now | Orders can be expected around Tue, Feb 24, 2026
Regular price $497.86 AUD
Regular price Sale price $497.86 AUD
Priced, Stocked and Sold Per 39500 Units
Excludes GST and overseas Taxes & Duties
Quantity Required

Backorder: Out of Stock.
General Purpose O-Rings - 3.5x1 mm - Black Nitrile Rubber Bulk - Nitrile NBR, BUNA-N O-Ring
Inside Diameter (ID)
3.50
mm

(Equiv. 0.138 in.)
Section (t)
1.00
mm

(Equiv. 0.039 in.)
Colour
Black

Hardness
Duro 70
General Purpose O-Rings - 3.5x1 mm - Black Nitrile Rubber Bulk - Nitrile NBR, BUNA-N O-Ring
Material: Nitrile (NBR, BUNA-N)   
Part Number: ORB-00350-100-N70 (PK-39500)
Out of Stock | Backorder Now | Orders can be expected around Tue, Feb 24, 2026
Regular price $497.86 AUD
Regular price Sale price $497.86 AUD
Priced, Stocked and Sold Per 39500 Units
Excludes GST and overseas Taxes & Duties
Quantity Required

Backorder: Out of Stock.
General Purpose O-Rings - 3.5x1.5 mm - Black Nitrile Rubber Bulk - Nitrile NBR, BUNA-N O-Ring
Inside Diameter (ID)
3.50
mm

(Equiv. 0.138 in.)
Section (t)
1.50
mm

(Equiv. 0.059 in.)
Colour
Black

Hardness
Duro 70
General Purpose O-Rings - 3.5x1.5 mm - Black Nitrile Rubber Bulk - Nitrile NBR, BUNA-N O-Ring
Material: Nitrile (NBR, BUNA-N)   
Part Number: ORB-00350-150-N70 (PK-41500)
Out of Stock | Backorder Now | Orders can be expected around Tue, Feb 24, 2026
Regular price $653.77 AUD
Regular price Sale price $653.77 AUD
Priced, Stocked and Sold Per 41500 Units
Excludes GST and overseas Taxes & Duties
Quantity Required

Backorder: Out of Stock.
General Purpose O-Rings - 3.5x1.5 mm - Black Nitrile Rubber Bulk - Nitrile NBR, BUNA-N O-Ring
Inside Diameter (ID)
3.50
mm

(Equiv. 0.138 in.)
Section (t)
1.50
mm

(Equiv. 0.059 in.)
Colour
Black

Hardness
Duro 70
General Purpose O-Rings - 3.5x1.5 mm - Black Nitrile Rubber Bulk - Nitrile NBR, BUNA-N O-Ring
Material: Nitrile (NBR, BUNA-N)   
Part Number: ORB-00350-150-N70 (PK-41500)
Out of Stock | Backorder Now | Orders can be expected around Tue, Feb 24, 2026
Regular price $653.77 AUD
Regular price Sale price $653.77 AUD
Priced, Stocked and Sold Per 41500 Units
Excludes GST and overseas Taxes & Duties
Quantity Required

Backorder: Out of Stock.
General Purpose O-Rings - 3.5x2 mm - Black Nitrile Rubber Bulk - Nitrile NBR, BUNA-N O-Ring
Inside Diameter (ID)
3.50
mm

(Equiv. 0.138 in.)
Section (t)
2.00
mm

(Equiv. 0.079 in.)
Colour
Black

Hardness
Duro 70
General Purpose O-Rings - 3.5x2 mm - Black Nitrile Rubber Bulk - Nitrile NBR, BUNA-N O-Ring
Material: Nitrile (NBR, BUNA-N)   
Part Number: ORB-00350-200-N70 (PK-35500)
Out of Stock | Backorder Now | Orders can be expected around Tue, Feb 24, 2026
Regular price $671.05 AUD
Regular price Sale price $671.05 AUD
Priced, Stocked and Sold Per 35500 Units
Excludes GST and overseas Taxes & Duties
Quantity Required

Backorder: Out of Stock.
General Purpose O-Rings - 3.5x2 mm - Black Nitrile Rubber Bulk - Nitrile NBR, BUNA-N O-Ring
Inside Diameter (ID)
3.50
mm

(Equiv. 0.138 in.)
Section (t)
2.00
mm

(Equiv. 0.079 in.)
Colour
Black

Hardness
Duro 70
General Purpose O-Rings - 3.5x2 mm - Black Nitrile Rubber Bulk - Nitrile NBR, BUNA-N O-Ring
Material: Nitrile (NBR, BUNA-N)   
Part Number: ORB-00350-200-N70 (PK-35500)
Out of Stock | Backorder Now | Orders can be expected around Tue, Feb 24, 2026
Regular price $671.05 AUD
Regular price Sale price $671.05 AUD
Priced, Stocked and Sold Per 35500 Units
Excludes GST and overseas Taxes & Duties
Quantity Required

Backorder: Out of Stock.
General Purpose O-Rings - 3.5x3 mm - Black Nitrile Rubber Bulk - Nitrile NBR, BUNA-N O-Ring
Inside Diameter (ID)
3.50
mm

(Equiv. 0.138 in.)
Section (t)
3.00
mm

(Equiv. 0.118 in.)
Colour
Black

Hardness
Duro 70
General Purpose O-Rings - 3.5x3 mm - Black Nitrile Rubber Bulk - Nitrile NBR, BUNA-N O-Ring
Material: Nitrile (NBR, BUNA-N)   
Part Number: ORB-00350-300-N70 (PK-10000)
Contact Us | Special Order Only - Please contact us if you need a large quantity
General Purpose O-Rings - 3.5x3 mm - Black Nitrile Rubber Bulk - Nitrile NBR, BUNA-N O-Ring
Inside Diameter (ID)
3.50
mm

(Equiv. 0.138 in.)
Section (t)
3.00
mm

(Equiv. 0.118 in.)
Colour
Black

Hardness
Duro 70
General Purpose O-Rings - 3.5x3 mm - Black Nitrile Rubber Bulk - Nitrile NBR, BUNA-N O-Ring
Material: Nitrile (NBR, BUNA-N)   
Part Number: ORB-00350-300-N70 (PK-10000)
Contact Us | Special Order Only - Please contact us if you need a large quantity | Orders can be expected around Wed, Sep 20, 2028
General Purpose O-Rings - 3.55x1.8 mm - Black Nitrile Rubber Bulk - Nitrile NBR, BUNA-N O-Ring
Inside Diameter (ID)
3.55
mm

(Equiv. 0.14 in.)
Section (t)
1.80
mm

(Equiv. 0.071 in.)
Colour
Black

Hardness
Duro 70
General Purpose O-Rings - 3.55x1.8 mm - Black Nitrile Rubber Bulk - Nitrile NBR, BUNA-N O-Ring
Material: Nitrile (NBR, BUNA-N)   
Part Number: ORB-00355-180-N70 (PK-41500)
Out of Stock | Backorder Now | Orders can be expected around Tue, Feb 24, 2026
Regular price $653.77 AUD
Regular price Sale price $653.77 AUD
Priced, Stocked and Sold Per 41500 Units
Excludes GST and overseas Taxes & Duties
Quantity Required

Backorder: Out of Stock.
General Purpose O-Rings - 3.55x1.8 mm - Black Nitrile Rubber Bulk - Nitrile NBR, BUNA-N O-Ring
Inside Diameter (ID)
3.55
mm

(Equiv. 0.14 in.)
Section (t)
1.80
mm

(Equiv. 0.071 in.)
Colour
Black

Hardness
Duro 70
General Purpose O-Rings - 3.55x1.8 mm - Black Nitrile Rubber Bulk - Nitrile NBR, BUNA-N O-Ring
Material: Nitrile (NBR, BUNA-N)   
Part Number: ORB-00355-180-N70 (PK-41500)
Out of Stock | Backorder Now | Orders can be expected around Tue, Feb 24, 2026
Regular price $653.77 AUD
Regular price Sale price $653.77 AUD
Priced, Stocked and Sold Per 41500 Units
Excludes GST and overseas Taxes & Duties
Quantity Required

Backorder: Out of Stock.
General Purpose O-Rings - 3.6x2.4 mm - Black Nitrile Rubber Bulk - Nitrile NBR, BUNA-N O-Ring
Inside Diameter (ID)
3.60
mm

(Equiv. 0.142 in.)
Section (t)
2.40
mm

(Equiv. 0.094 in.)
Colour
Black

Hardness
Duro 70
General Purpose O-Rings - 3.6x2.4 mm - Black Nitrile Rubber Bulk - Nitrile NBR, BUNA-N O-Ring
Material: Nitrile (NBR, BUNA-N)   
Part Number: ORB-00360-240-N70 (PK-10000)
Contact Us | Special Order Only - Please contact us if you need a large quantity
General Purpose O-Rings - 3.6x2.4 mm - Black Nitrile Rubber Bulk - Nitrile NBR, BUNA-N O-Ring
Inside Diameter (ID)
3.60
mm

(Equiv. 0.142 in.)
Section (t)
2.40
mm

(Equiv. 0.094 in.)
Colour
Black

Hardness
Duro 70
General Purpose O-Rings - 3.6x2.4 mm - Black Nitrile Rubber Bulk - Nitrile NBR, BUNA-N O-Ring
Material: Nitrile (NBR, BUNA-N)   
Part Number: ORB-00360-240-N70 (PK-10000)
Contact Us | Special Order Only - Please contact us if you need a large quantity | Orders can be expected around Wed, Sep 20, 2028
General Purpose O-Rings - 3.63x2.62 mm - Black Nitrile Rubber Bulk - Nitrile NBR, BUNA-N O-Ring
Inside Diameter (ID)
3.63
mm

(Equiv. 0.143 in.)
Section (t)
2.62
mm

(Equiv. 0.103 in.)
Colour
Black

Hardness
Duro 70
General Purpose O-Rings - 3.63x2.62 mm - Black Nitrile Rubber Bulk - Nitrile NBR, BUNA-N O-Ring
Material: Nitrile (NBR, BUNA-N)   
Part Number: ORB-00363-262-N70-105 (PK-7000)
1 pack (7000 pcs) Available Now | Further orders can be expected around Tue, Feb 24, 2026
Regular price $154.41 AUD
Regular price Sale price $154.41 AUD
Priced, Stocked and Sold Per 7000 Units
Excludes GST and overseas Taxes & Duties
Quantity Required

Larger quantities than the 1 available can be backordered.
General Purpose O-Rings - 3.63x2.62 mm - Black Nitrile Rubber Bulk - Nitrile NBR, BUNA-N O-Ring
Inside Diameter (ID)
3.63
mm

(Equiv. 0.143 in.)
Section (t)
2.62
mm

(Equiv. 0.103 in.)
Colour
Black

Hardness
Duro 70
General Purpose O-Rings - 3.63x2.62 mm - Black Nitrile Rubber Bulk - Nitrile NBR, BUNA-N O-Ring
Material: Nitrile (NBR, BUNA-N)   
Part Number: ORB-00363-262-N70-105 (PK-7000)
1 pack (7000 pcs) Available Now | Further orders can be expected around Tue, Feb 24, 2026
Regular price $154.41 AUD
Regular price Sale price $154.41 AUD
Priced, Stocked and Sold Per 7000 Units
Excludes GST and overseas Taxes & Duties
Quantity Required

1 pack (7000 pcs) Available Now. Backorder if more than 1.
General Purpose O-Rings - 3.63x2.62 mm - Black Nitrile Rubber Bulk - Nitrile NBR, BUNA-N O-Ring
Inside Diameter (ID)
3.63
mm

(Equiv. 0.143 in.)
Section (t)
2.62
mm

(Equiv. 0.103 in.)
Colour
Black

Hardness
Duro 90
General Purpose O-Rings - 3.63x2.62 mm - Black Nitrile Rubber Bulk - Nitrile NBR, BUNA-N O-Ring
Material: Nitrile (NBR, BUNA-N)   
Part Number: ORB-00363-262-N90-105 (PK-5500)
1 pack (5500 pcs) Available Now | Further orders can be expected around Tue, Feb 24, 2026
Regular price $121.32 AUD
Regular price Sale price $121.32 AUD
Priced, Stocked and Sold Per 5500 Units
Excludes GST and overseas Taxes & Duties
Quantity Required

Larger quantities than the 1 available can be backordered.
General Purpose O-Rings - 3.63x2.62 mm - Black Nitrile Rubber Bulk - Nitrile NBR, BUNA-N O-Ring
Inside Diameter (ID)
3.63
mm

(Equiv. 0.143 in.)
Section (t)
2.62
mm

(Equiv. 0.103 in.)
Colour
Black

Hardness
Duro 90
General Purpose O-Rings - 3.63x2.62 mm - Black Nitrile Rubber Bulk - Nitrile NBR, BUNA-N O-Ring
Material: Nitrile (NBR, BUNA-N)   
Part Number: ORB-00363-262-N90-105 (PK-5500)
1 pack (5500 pcs) Available Now | Further orders can be expected around Tue, Feb 24, 2026
Regular price $121.32 AUD
Regular price Sale price $121.32 AUD
Priced, Stocked and Sold Per 5500 Units
Excludes GST and overseas Taxes & Duties
Quantity Required

1 pack (5500 pcs) Available Now. Backorder if more than 1.
General Purpose O-Rings - 3.69x1.78 mm - Black Nitrile Rubber Bulk - Nitrile NBR, BUNA-N O-Ring
Inside Diameter (ID)
3.69
mm

(Equiv. 0.145 in.)
Section (t)
1.78
mm

(Equiv. 0.07 in.)
Colour
Black

Hardness
Duro 70
General Purpose O-Rings - 3.69x1.78 mm - Black Nitrile Rubber Bulk - Nitrile NBR, BUNA-N O-Ring
Material: Nitrile (NBR, BUNA-N)   
Part Number: ORB-00369-178-N70-007 (PK-8500)
Out of Stock | Backorder Now | Orders can be expected around Tue, Feb 24, 2026
Regular price $214.32 AUD
Regular price Sale price $214.32 AUD
Priced, Stocked and Sold Per 8500 Units
Excludes GST and overseas Taxes & Duties
Quantity Required

Backorder: Out of Stock.
General Purpose O-Rings - 3.69x1.78 mm - Black Nitrile Rubber Bulk - Nitrile NBR, BUNA-N O-Ring
Inside Diameter (ID)
3.69
mm

(Equiv. 0.145 in.)
Section (t)
1.78
mm

(Equiv. 0.07 in.)
Colour
Black

Hardness
Duro 70
General Purpose O-Rings - 3.69x1.78 mm - Black Nitrile Rubber Bulk - Nitrile NBR, BUNA-N O-Ring
Material: Nitrile (NBR, BUNA-N)   
Part Number: ORB-00369-178-N70-007 (PK-8500)
Out of Stock | Backorder Now | Orders can be expected around Tue, Feb 24, 2026
Regular price $214.32 AUD
Regular price Sale price $214.32 AUD
Priced, Stocked and Sold Per 8500 Units
Excludes GST and overseas Taxes & Duties
Quantity Required

Backorder: Out of Stock.
General Purpose O-Rings - 3.69x1.78 mm - Black Nitrile Rubber Bulk - Nitrile NBR, BUNA-N O-Ring
Inside Diameter (ID)
3.69
mm

(Equiv. 0.145 in.)
Section (t)
1.78
mm

(Equiv. 0.07 in.)
Colour
Black

Hardness
Duro 90
General Purpose O-Rings - 3.69x1.78 mm - Black Nitrile Rubber Bulk - Nitrile NBR, BUNA-N O-Ring
Material: Nitrile (NBR, BUNA-N)   
Part Number: ORB-00369-178-N90-007 (PK-7000)
Out of Stock | Backorder Now | Orders can be expected around Tue, Feb 24, 2026
Regular price $176.50 AUD
Regular price Sale price $176.50 AUD
Priced, Stocked and Sold Per 7000 Units
Excludes GST and overseas Taxes & Duties
Quantity Required

Backorder: Out of Stock.
General Purpose O-Rings - 3.69x1.78 mm - Black Nitrile Rubber Bulk - Nitrile NBR, BUNA-N O-Ring
Inside Diameter (ID)
3.69
mm

(Equiv. 0.145 in.)
Section (t)
1.78
mm

(Equiv. 0.07 in.)
Colour
Black

Hardness
Duro 90
General Purpose O-Rings - 3.69x1.78 mm - Black Nitrile Rubber Bulk - Nitrile NBR, BUNA-N O-Ring
Material: Nitrile (NBR, BUNA-N)   
Part Number: ORB-00369-178-N90-007 (PK-7000)
Out of Stock | Backorder Now | Orders can be expected around Tue, Feb 24, 2026
Regular price $176.50 AUD
Regular price Sale price $176.50 AUD
Priced, Stocked and Sold Per 7000 Units
Excludes GST and overseas Taxes & Duties
Quantity Required

Backorder: Out of Stock.
General Purpose O-Rings - 3.75x1.8 mm - Black Nitrile Rubber Bulk - Nitrile NBR, BUNA-N O-Ring
Inside Diameter (ID)
3.75
mm

(Equiv. 0.148 in.)
Section (t)
1.80
mm

(Equiv. 0.071 in.)
Colour
Black

Hardness
Duro 70
General Purpose O-Rings - 3.75x1.8 mm - Black Nitrile Rubber Bulk - Nitrile NBR, BUNA-N O-Ring
Material: Nitrile (NBR, BUNA-N)   
Part Number: ORB-00375-180-N70 (PK-41500)
Out of Stock | Backorder Now | Orders can be expected around Tue, Feb 24, 2026
Regular price $653.77 AUD
Regular price Sale price $653.77 AUD
Priced, Stocked and Sold Per 41500 Units
Excludes GST and overseas Taxes & Duties
Quantity Required

Backorder: Out of Stock.
General Purpose O-Rings - 3.75x1.8 mm - Black Nitrile Rubber Bulk - Nitrile NBR, BUNA-N O-Ring
Inside Diameter (ID)
3.75
mm

(Equiv. 0.148 in.)
Section (t)
1.80
mm

(Equiv. 0.071 in.)
Colour
Black

Hardness
Duro 70
General Purpose O-Rings - 3.75x1.8 mm - Black Nitrile Rubber Bulk - Nitrile NBR, BUNA-N O-Ring
Material: Nitrile (NBR, BUNA-N)   
Part Number: ORB-00375-180-N70 (PK-41500)
Out of Stock | Backorder Now | Orders can be expected around Tue, Feb 24, 2026
Regular price $653.77 AUD
Regular price Sale price $653.77 AUD
Priced, Stocked and Sold Per 41500 Units
Excludes GST and overseas Taxes & Duties
Quantity Required

Backorder: Out of Stock.
General Purpose O-Rings - 3.86x0.91 mm - Black Nitrile Rubber Bulk - Nitrile NBR, BUNA-N O-Ring
Inside Diameter (ID)
3.86
mm

(Equiv. 0.152 in.)
Section (t)
0.91
mm

(Equiv. 0.036 in.)
Colour
Black

Hardness
Duro 70
Special Applications
Bien Air Micromotor MC2 20-40E - 20GTAV-40GTAV - 20GT-40GT
General Purpose O-Rings - 3.86x0.91 mm - Black Nitrile Rubber Bulk - Nitrile NBR, BUNA-N O-Ring
Material: Nitrile (NBR, BUNA-N)    Special Applications: MICROMOTOR MC2 20-40E - 20GTAV-40GTAV - 20GT-40GT   
Deleted Item. Available while stocks last. Deleted Item. Available while stocks last.
Part Number: ORB-00386-091-N70 (PK-10000)
Contact Us | Special Order Only - Please contact us if you need a large quantity
General Purpose O-Rings - 3.86x0.91 mm - Black Nitrile Rubber Bulk - Nitrile NBR, BUNA-N O-Ring
Inside Diameter (ID)
3.86
mm

(Equiv. 0.152 in.)
Section (t)
0.91
mm

(Equiv. 0.036 in.)
Colour
Black

Hardness
Duro 70
General Purpose O-Rings - 3.86x0.91 mm - Black Nitrile Rubber Bulk - Nitrile NBR, BUNA-N O-Ring
Material: Nitrile (NBR, BUNA-N)    Special Applications: Bien Air Micromotor MC2 20-40E - 20GTAV-40GTAV - 20GT-40GT    Special Applications: MICROMOTOR MC2 20-40E - 20GTAV-40GTAV - 20GT-40GT   
Deleted Item. Available while stocks last. Deleted Item. Available while stocks last.
Part Number: ORB-00386-091-N70 (PK-10000)
Contact Us | Special Order Only - Please contact us if you need a large quantity | Orders can be expected around Wed, Sep 20, 2028
General Purpose O-Rings - 4x0.5 mm - Black Nitrile Rubber Bulk - Nitrile NBR, BUNA-N O-Ring
Inside Diameter (ID)
4.00
mm

(Equiv. 0.157 in.)
Section (t)
0.50
mm

(Equiv. 0.02 in.)
Colour
Black

Hardness
Duro 70
General Purpose O-Rings - 4x0.5 mm - Black Nitrile Rubber Bulk - Nitrile NBR, BUNA-N O-Ring
Material: Nitrile (NBR, BUNA-N)   
Part Number: ORB-00400-050-N70 (PK-4000)
Out of Stock | Backorder Now | Orders can be expected around Tue, Feb 24, 2026
Regular price $176.50 AUD
Regular price Sale price $176.50 AUD
Priced, Stocked and Sold Per 4000 Units
Excludes GST and overseas Taxes & Duties
Quantity Required

Backorder: Out of Stock.
General Purpose O-Rings - 4x0.5 mm - Black Nitrile Rubber Bulk - Nitrile NBR, BUNA-N O-Ring
Inside Diameter (ID)
4.00
mm

(Equiv. 0.157 in.)
Section (t)
0.50
mm

(Equiv. 0.02 in.)
Colour
Black

Hardness
Duro 70
General Purpose O-Rings - 4x0.5 mm - Black Nitrile Rubber Bulk - Nitrile NBR, BUNA-N O-Ring
Material: Nitrile (NBR, BUNA-N)   
Part Number: ORB-00400-050-N70 (PK-4000)
Out of Stock | Backorder Now | Orders can be expected around Tue, Feb 24, 2026
Regular price $176.50 AUD
Regular price Sale price $176.50 AUD
Priced, Stocked and Sold Per 4000 Units
Excludes GST and overseas Taxes & Duties
Quantity Required

Backorder: Out of Stock.