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 - 4x0.6 mm - Black Nitrile Rubber Bulk - Nitrile NBR, BUNA-N O-Ring
Inside Diameter (ID)
4.00
mm

(Equiv. 0.157 in.)
Section (t)
0.60
mm

(Equiv. 0.024 in.)
Colour
Black

Hardness
Duro 70
General Purpose O-Rings - 4x0.6 mm - Black Nitrile Rubber Bulk - Nitrile NBR, BUNA-N O-Ring
Material: Nitrile (NBR, BUNA-N)   
Part Number: ORB-00400-060-N70 (PK-10000)
Contact Us | Special Order Only - Please contact us if you need a large quantity
Inside Diameter (ID) Section (t) Colour Hardness Indicative
Image
General Purpose O-Rings - 4x0.6 mm - Black Nitrile Rubber Bulk - Nitrile NBR, BUNA-N O-Ring
Inside Diameter (ID)
4.00
mm

(Equiv. 0.157 in.)
Section (t)
0.60
mm

(Equiv. 0.024 in.)
Colour
Black

Hardness
Duro 70
General Purpose O-Rings - 4x0.6 mm - Black Nitrile Rubber Bulk - Nitrile NBR, BUNA-N O-Ring
Material: Nitrile (NBR, BUNA-N)   
Part Number: ORB-00400-060-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 - 4x1 mm - Black Nitrile Rubber Bulk - Nitrile NBR, BUNA-N O-Ring
Inside Diameter (ID)
4.00
mm

(Equiv. 0.157 in.)
Section (t)
1.00
mm

(Equiv. 0.039 in.)
Colour
Black

Hardness
Duro 70
Special Applications
Bien Air Micromotor MC2 20-40E - 20GTAV-40GTAV - 20GT-40GT
General Purpose O-Rings - 4x1 mm - Black Nitrile Rubber Bulk - Nitrile NBR, BUNA-N O-Ring
Material: Nitrile (NBR, BUNA-N)   
Part Number: ORB-00400-100-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 - 4x1 mm - Black Nitrile Rubber Bulk - Nitrile NBR, BUNA-N O-Ring
Inside Diameter (ID)
4.00
mm

(Equiv. 0.157 in.)
Section (t)
1.00
mm

(Equiv. 0.039 in.)
Colour
Black

Hardness
Duro 70
General Purpose O-Rings - 4x1 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   
Part Number: ORB-00400-100-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 - 4x1.5 mm - Black Nitrile Rubber Bulk - Nitrile NBR, BUNA-N O-Ring
Inside Diameter (ID)
4.00
mm

(Equiv. 0.157 in.)
Section (t)
1.50
mm

(Equiv. 0.059 in.)
Colour
Black

Hardness
Duro 70
General Purpose O-Rings - 4x1.5 mm - Black Nitrile Rubber Bulk - Nitrile NBR, BUNA-N O-Ring
Material: Nitrile (NBR, BUNA-N)   
Part Number: ORB-00400-150-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 - 4x1.5 mm - Black Nitrile Rubber Bulk - Nitrile NBR, BUNA-N O-Ring
Inside Diameter (ID)
4.00
mm

(Equiv. 0.157 in.)
Section (t)
1.50
mm

(Equiv. 0.059 in.)
Colour
Black

Hardness
Duro 70
General Purpose O-Rings - 4x1.5 mm - Black Nitrile Rubber Bulk - Nitrile NBR, BUNA-N O-Ring
Material: Nitrile (NBR, BUNA-N)   
Part Number: ORB-00400-150-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 - 4x1.8 mm - Black Nitrile Rubber Bulk - Nitrile NBR, BUNA-N O-Ring
Inside Diameter (ID)
4.00
mm

(Equiv. 0.157 in.)
Section (t)
1.80
mm

(Equiv. 0.071 in.)
Colour
Black

Hardness
Duro 70
General Purpose O-Rings - 4x1.8 mm - Black Nitrile Rubber Bulk - Nitrile NBR, BUNA-N O-Ring
Material: Nitrile (NBR, BUNA-N)   
Part Number: ORB-00400-180-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 - 4x1.8 mm - Black Nitrile Rubber Bulk - Nitrile NBR, BUNA-N O-Ring
Inside Diameter (ID)
4.00
mm

(Equiv. 0.157 in.)
Section (t)
1.80
mm

(Equiv. 0.071 in.)
Colour
Black

Hardness
Duro 70
General Purpose O-Rings - 4x1.8 mm - Black Nitrile Rubber Bulk - Nitrile NBR, BUNA-N O-Ring
Material: Nitrile (NBR, BUNA-N)   
Part Number: ORB-00400-180-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 - 4x2 mm - Black Nitrile Rubber Bulk - Nitrile NBR, BUNA-N O-Ring
Inside Diameter (ID)
4.00
mm

(Equiv. 0.157 in.)
Section (t)
2.00
mm

(Equiv. 0.079 in.)
Colour
Black

Hardness
Duro 70
General Purpose O-Rings - 4x2 mm - Black Nitrile Rubber Bulk - Nitrile NBR, BUNA-N O-Ring
Material: Nitrile (NBR, BUNA-N)   
Part Number: ORB-00400-200-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 - 4x2 mm - Black Nitrile Rubber Bulk - Nitrile NBR, BUNA-N O-Ring
Inside Diameter (ID)
4.00
mm

(Equiv. 0.157 in.)
Section (t)
2.00
mm

(Equiv. 0.079 in.)
Colour
Black

Hardness
Duro 70
General Purpose O-Rings - 4x2 mm - Black Nitrile Rubber Bulk - Nitrile NBR, BUNA-N O-Ring
Material: Nitrile (NBR, BUNA-N)   
Part Number: ORB-00400-200-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 - 4x2.5 mm - Black Nitrile Rubber Bulk - Nitrile NBR, BUNA-N O-Ring
Inside Diameter (ID)
4.00
mm

(Equiv. 0.157 in.)
Section (t)
2.50
mm

(Equiv. 0.098 in.)
Colour
Black

Hardness
Duro 70
General Purpose O-Rings - 4x2.5 mm - Black Nitrile Rubber Bulk - Nitrile NBR, BUNA-N O-Ring
Material: Nitrile (NBR, BUNA-N)   
Part Number: ORB-00400-250-N70 (PK-27000)
Out of Stock | Backorder Now | Orders can be expected around Tue, Feb 24, 2026
Regular price $765.59 AUD
Regular price Sale price $765.59 AUD
Priced, Stocked and Sold Per 27000 Units
Excludes GST and overseas Taxes & Duties
Quantity Required

Backorder: Out of Stock.
General Purpose O-Rings - 4x2.5 mm - Black Nitrile Rubber Bulk - Nitrile NBR, BUNA-N O-Ring
Inside Diameter (ID)
4.00
mm

(Equiv. 0.157 in.)
Section (t)
2.50
mm

(Equiv. 0.098 in.)
Colour
Black

Hardness
Duro 70
General Purpose O-Rings - 4x2.5 mm - Black Nitrile Rubber Bulk - Nitrile NBR, BUNA-N O-Ring
Material: Nitrile (NBR, BUNA-N)   
Part Number: ORB-00400-250-N70 (PK-27000)
Out of Stock | Backorder Now | Orders can be expected around Tue, Feb 24, 2026
Regular price $765.59 AUD
Regular price Sale price $765.59 AUD
Priced, Stocked and Sold Per 27000 Units
Excludes GST and overseas Taxes & Duties
Quantity Required

Backorder: Out of Stock.
General Purpose O-Rings - 4x3 mm - Black Nitrile Rubber Bulk - Nitrile NBR, BUNA-N O-Ring
Inside Diameter (ID)
4.00
mm

(Equiv. 0.157 in.)
Section (t)
3.00
mm

(Equiv. 0.118 in.)
Colour
Black

Hardness
Duro 70
General Purpose O-Rings - 4x3 mm - Black Nitrile Rubber Bulk - Nitrile NBR, BUNA-N O-Ring
Material: Nitrile (NBR, BUNA-N)   
Part Number: ORB-00400-300-N70 (PK-21500)
Out of Stock | Backorder Now | Orders can be expected around Tue, Feb 24, 2026
Regular price $745.14 AUD
Regular price Sale price $745.14 AUD
Priced, Stocked and Sold Per 21500 Units
Excludes GST and overseas Taxes & Duties
Quantity Required

Backorder: Out of Stock.
General Purpose O-Rings - 4x3 mm - Black Nitrile Rubber Bulk - Nitrile NBR, BUNA-N O-Ring
Inside Diameter (ID)
4.00
mm

(Equiv. 0.157 in.)
Section (t)
3.00
mm

(Equiv. 0.118 in.)
Colour
Black

Hardness
Duro 70
General Purpose O-Rings - 4x3 mm - Black Nitrile Rubber Bulk - Nitrile NBR, BUNA-N O-Ring
Material: Nitrile (NBR, BUNA-N)   
Part Number: ORB-00400-300-N70 (PK-21500)
Out of Stock | Backorder Now | Orders can be expected around Tue, Feb 24, 2026
Regular price $745.14 AUD
Regular price Sale price $745.14 AUD
Priced, Stocked and Sold Per 21500 Units
Excludes GST and overseas Taxes & Duties
Quantity Required

Backorder: Out of Stock.
General Purpose O-Rings - 4x4 mm - Black Nitrile Rubber Bulk - Nitrile NBR, BUNA-N O-Ring
Inside Diameter (ID)
4.00
mm

(Equiv. 0.157 in.)
Section (t)
4.00
mm

(Equiv. 0.157 in.)
Colour
Black

Hardness
Duro 70
General Purpose O-Rings - 4x4 mm - Black Nitrile Rubber Bulk - Nitrile NBR, BUNA-N O-Ring
Material: Nitrile (NBR, BUNA-N)   
Part Number: ORB-00400-400-N70 (PK-15950)
Out of Stock | Backorder Now | Orders can be expected around Tue, Feb 24, 2026
Regular price $803.95 AUD
Regular price Sale price $803.95 AUD
Priced, Stocked and Sold Per 15950 Units
Excludes GST and overseas Taxes & Duties
Quantity Required

Backorder: Out of Stock.
General Purpose O-Rings - 4x4 mm - Black Nitrile Rubber Bulk - Nitrile NBR, BUNA-N O-Ring
Inside Diameter (ID)
4.00
mm

(Equiv. 0.157 in.)
Section (t)
4.00
mm

(Equiv. 0.157 in.)
Colour
Black

Hardness
Duro 70
General Purpose O-Rings - 4x4 mm - Black Nitrile Rubber Bulk - Nitrile NBR, BUNA-N O-Ring
Material: Nitrile (NBR, BUNA-N)   
Part Number: ORB-00400-400-N70 (PK-15950)
Out of Stock | Backorder Now | Orders can be expected around Tue, Feb 24, 2026
Regular price $803.95 AUD
Regular price Sale price $803.95 AUD
Priced, Stocked and Sold Per 15950 Units
Excludes GST and overseas Taxes & Duties
Quantity Required

Backorder: Out of Stock.
General Purpose O-Rings - 4x5 mm - Black Nitrile Rubber Bulk - Nitrile NBR, BUNA-N O-Ring
Inside Diameter (ID)
4.00
mm

(Equiv. 0.157 in.)
Section (t)
5.00
mm

(Equiv. 0.197 in.)
Colour
Black

Hardness
Duro 70
General Purpose O-Rings - 4x5 mm - Black Nitrile Rubber Bulk - Nitrile NBR, BUNA-N O-Ring
Material: Nitrile (NBR, BUNA-N)   
Part Number: ORB-00400-500-N70 (PK-10000)
Contact Us | Special Order Only - Please contact us if you need a large quantity
General Purpose O-Rings - 4x5 mm - Black Nitrile Rubber Bulk - Nitrile NBR, BUNA-N O-Ring
Inside Diameter (ID)
4.00
mm

(Equiv. 0.157 in.)
Section (t)
5.00
mm

(Equiv. 0.197 in.)
Colour
Black

Hardness
Duro 70
General Purpose O-Rings - 4x5 mm - Black Nitrile Rubber Bulk - Nitrile NBR, BUNA-N O-Ring
Material: Nitrile (NBR, BUNA-N)   
Part Number: ORB-00400-500-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 - 4.1x0.5 mm - Black Nitrile Rubber Bulk - Nitrile NBR, BUNA-N O-Ring
Inside Diameter (ID)
4.10
mm

(Equiv. 0.161 in.)
Section (t)
0.50
mm

(Equiv. 0.02 in.)
Colour
Black

Hardness
Duro 70
General Purpose O-Rings - 4.1x0.5 mm - Black Nitrile Rubber Bulk - Nitrile NBR, BUNA-N O-Ring
Material: Nitrile (NBR, BUNA-N)   
Part Number: ORB-00410-050-N70 (PK-10000)
Contact Us | Special Order Only - Please contact us if you need a large quantity
General Purpose O-Rings - 4.1x0.5 mm - Black Nitrile Rubber Bulk - Nitrile NBR, BUNA-N O-Ring
Inside Diameter (ID)
4.10
mm

(Equiv. 0.161 in.)
Section (t)
0.50
mm

(Equiv. 0.02 in.)
Colour
Black

Hardness
Duro 70
General Purpose O-Rings - 4.1x0.5 mm - Black Nitrile Rubber Bulk - Nitrile NBR, BUNA-N O-Ring
Material: Nitrile (NBR, BUNA-N)   
Part Number: ORB-00410-050-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 - 4.1x1.6 mm - Black Nitrile Rubber Bulk - Nitrile NBR, BUNA-N O-Ring
Inside Diameter (ID)
4.10
mm

(Equiv. 0.161 in.)
Section (t)
1.60
mm

(Equiv. 0.063 in.)
Colour
Black

Hardness
Duro 70
General Purpose O-Rings - 4.1x1.6 mm - Black Nitrile Rubber Bulk - Nitrile NBR, BUNA-N O-Ring
Material: Nitrile (NBR, BUNA-N)   
Part Number: ORB-00410-160-N70 (PK-10000)
Contact Us | Special Order Only - Please contact us if you need a large quantity
General Purpose O-Rings - 4.1x1.6 mm - Black Nitrile Rubber Bulk - Nitrile NBR, BUNA-N O-Ring
Inside Diameter (ID)
4.10
mm

(Equiv. 0.161 in.)
Section (t)
1.60
mm

(Equiv. 0.063 in.)
Colour
Black

Hardness
Duro 70
General Purpose O-Rings - 4.1x1.6 mm - Black Nitrile Rubber Bulk - Nitrile NBR, BUNA-N O-Ring
Material: Nitrile (NBR, BUNA-N)   
Part Number: ORB-00410-160-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 - 4.2x0.5 mm - Black Nitrile Rubber Bulk - Nitrile NBR, BUNA-N O-Ring
Inside Diameter (ID)
4.20
mm

(Equiv. 0.165 in.)
Section (t)
0.50
mm

(Equiv. 0.02 in.)
Colour
Black

Hardness
Duro 70
General Purpose O-Rings - 4.2x0.5 mm - Black Nitrile Rubber Bulk - Nitrile NBR, BUNA-N O-Ring
Material: Nitrile (NBR, BUNA-N)   
Part Number: ORB-00420-050-N70 (PK-10000)
Contact Us | Special Order Only - Please contact us if you need a large quantity
General Purpose O-Rings - 4.2x0.5 mm - Black Nitrile Rubber Bulk - Nitrile NBR, BUNA-N O-Ring
Inside Diameter (ID)
4.20
mm

(Equiv. 0.165 in.)
Section (t)
0.50
mm

(Equiv. 0.02 in.)
Colour
Black

Hardness
Duro 70
General Purpose O-Rings - 4.2x0.5 mm - Black Nitrile Rubber Bulk - Nitrile NBR, BUNA-N O-Ring
Material: Nitrile (NBR, BUNA-N)   
Part Number: ORB-00420-050-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 - 4.2x1.9 mm - Black Nitrile Rubber Bulk - Nitrile NBR, BUNA-N O-Ring
Inside Diameter (ID)
4.20
mm

(Equiv. 0.165 in.)
Section (t)
1.90
mm

(Equiv. 0.075 in.)
Colour
Black

Hardness
Duro 70
General Purpose O-Rings - 4.2x1.9 mm - Black Nitrile Rubber Bulk - Nitrile NBR, BUNA-N O-Ring
Material: Nitrile (NBR, BUNA-N)   
Part Number: ORB-00420-190-N70 (PK-39500)
Out of Stock | Backorder Now | Orders can be expected around Tue, Feb 24, 2026
Regular price $746.68 AUD
Regular price Sale price $746.68 AUD
Priced, Stocked and Sold Per 39500 Units
Excludes GST and overseas Taxes & Duties
Quantity Required

Backorder: Out of Stock.
General Purpose O-Rings - 4.2x1.9 mm - Black Nitrile Rubber Bulk - Nitrile NBR, BUNA-N O-Ring
Inside Diameter (ID)
4.20
mm

(Equiv. 0.165 in.)
Section (t)
1.90
mm

(Equiv. 0.075 in.)
Colour
Black

Hardness
Duro 70
General Purpose O-Rings - 4.2x1.9 mm - Black Nitrile Rubber Bulk - Nitrile NBR, BUNA-N O-Ring
Material: Nitrile (NBR, BUNA-N)   
Part Number: ORB-00420-190-N70 (PK-39500)
Out of Stock | Backorder Now | Orders can be expected around Tue, Feb 24, 2026
Regular price $746.68 AUD
Regular price Sale price $746.68 AUD
Priced, Stocked and Sold Per 39500 Units
Excludes GST and overseas Taxes & Duties
Quantity Required

Backorder: Out of Stock.
General Purpose O-Rings - 4.3x2.4 mm - Black Nitrile Rubber Bulk - Nitrile NBR, BUNA-N O-Ring
Inside Diameter (ID)
4.30
mm

(Equiv. 0.169 in.)
Section (t)
2.40
mm

(Equiv. 0.094 in.)
Colour
Black

Hardness
Duro 70
General Purpose O-Rings - 4.3x2.4 mm - Black Nitrile Rubber Bulk - Nitrile NBR, BUNA-N O-Ring
Material: Nitrile (NBR, BUNA-N)   
Part Number: ORB-00430-240-N70 (PK-10000)
Contact Us | Special Order Only - Please contact us if you need a large quantity
General Purpose O-Rings - 4.3x2.4 mm - Black Nitrile Rubber Bulk - Nitrile NBR, BUNA-N O-Ring
Inside Diameter (ID)
4.30
mm

(Equiv. 0.169 in.)
Section (t)
2.40
mm

(Equiv. 0.094 in.)
Colour
Black

Hardness
Duro 70
General Purpose O-Rings - 4.3x2.4 mm - Black Nitrile Rubber Bulk - Nitrile NBR, BUNA-N O-Ring
Material: Nitrile (NBR, BUNA-N)   
Part Number: ORB-00430-240-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 - 4.34x3.53 mm - Black Nitrile Rubber Bulk - Nitrile NBR, BUNA-N O-Ring
Inside Diameter (ID)
4.34
mm

(Equiv. 0.171 in.)
Section (t)
3.53
mm

(Equiv. 0.139 in.)
Colour
Black

Hardness
Duro 70
General Purpose O-Rings - 4.34x3.53 mm - Black Nitrile Rubber Bulk - Nitrile NBR, BUNA-N O-Ring
Material: Nitrile (NBR, BUNA-N)   
Part Number: ORB-00434-353-N70-201 (PK-5500)
Out of Stock | Backorder Now | Orders can be expected around Tue, Feb 24, 2026
Regular price $311.95 AUD
Regular price Sale price $311.95 AUD
Priced, Stocked and Sold Per 5500 Units
Excludes GST and overseas Taxes & Duties
Quantity Required

Backorder: Out of Stock.
General Purpose O-Rings - 4.34x3.53 mm - Black Nitrile Rubber Bulk - Nitrile NBR, BUNA-N O-Ring
Inside Diameter (ID)
4.34
mm

(Equiv. 0.171 in.)
Section (t)
3.53
mm

(Equiv. 0.139 in.)
Colour
Black

Hardness
Duro 70
General Purpose O-Rings - 4.34x3.53 mm - Black Nitrile Rubber Bulk - Nitrile NBR, BUNA-N O-Ring
Material: Nitrile (NBR, BUNA-N)   
Part Number: ORB-00434-353-N70-201 (PK-5500)
Out of Stock | Backorder Now | Orders can be expected around Tue, Feb 24, 2026
Regular price $311.95 AUD
Regular price Sale price $311.95 AUD
Priced, Stocked and Sold Per 5500 Units
Excludes GST and overseas Taxes & Duties
Quantity Required

Backorder: Out of Stock.
General Purpose O-Rings - 4.34x3.53 mm - Black Nitrile Rubber Bulk - Nitrile NBR, BUNA-N O-Ring
Inside Diameter (ID)
4.34
mm

(Equiv. 0.171 in.)
Section (t)
3.53
mm

(Equiv. 0.139 in.)
Colour
Black

Hardness
Duro 90
General Purpose O-Rings - 4.34x3.53 mm - Black Nitrile Rubber Bulk - Nitrile NBR, BUNA-N O-Ring
Material: Nitrile (NBR, BUNA-N)   
Part Number: ORB-00434-353-N90-201 (PK-4500)
Out of Stock | Backorder Now | Orders can be expected around Tue, Feb 24, 2026
Regular price $255.23 AUD
Regular price Sale price $255.23 AUD
Priced, Stocked and Sold Per 4500 Units
Excludes GST and overseas Taxes & Duties
Quantity Required

Backorder: Out of Stock.
General Purpose O-Rings - 4.34x3.53 mm - Black Nitrile Rubber Bulk - Nitrile NBR, BUNA-N O-Ring
Inside Diameter (ID)
4.34
mm

(Equiv. 0.171 in.)
Section (t)
3.53
mm

(Equiv. 0.139 in.)
Colour
Black

Hardness
Duro 90
General Purpose O-Rings - 4.34x3.53 mm - Black Nitrile Rubber Bulk - Nitrile NBR, BUNA-N O-Ring
Material: Nitrile (NBR, BUNA-N)   
Part Number: ORB-00434-353-N90-201 (PK-4500)
Out of Stock | Backorder Now | Orders can be expected around Tue, Feb 24, 2026
Regular price $255.23 AUD
Regular price Sale price $255.23 AUD
Priced, Stocked and Sold Per 4500 Units
Excludes GST and overseas Taxes & Duties
Quantity Required

Backorder: Out of Stock.
General Purpose O-Rings - 4.42x2.62 mm - Black Nitrile Rubber Bulk - Nitrile NBR, BUNA-N O-Ring
Inside Diameter (ID)
4.42
mm

(Equiv. 0.174 in.)
Section (t)
2.62
mm

(Equiv. 0.103 in.)
Colour
Black

Hardness
Duro 70
General Purpose O-Rings - 4.42x2.62 mm - Black Nitrile Rubber Bulk - Nitrile NBR, BUNA-N O-Ring
Material: Nitrile (NBR, BUNA-N)   
Part Number: ORB-00442-262-N70-106 (PK-7000)
Out of Stock | Backorder Now | Orders can be expected around Tue, Feb 24, 2026
Regular price $264.68 AUD
Regular price Sale price $264.68 AUD
Priced, Stocked and Sold Per 7000 Units
Excludes GST and overseas Taxes & Duties
Quantity Required

Backorder: Out of Stock.
General Purpose O-Rings - 4.42x2.62 mm - Black Nitrile Rubber Bulk - Nitrile NBR, BUNA-N O-Ring
Inside Diameter (ID)
4.42
mm

(Equiv. 0.174 in.)
Section (t)
2.62
mm

(Equiv. 0.103 in.)
Colour
Black

Hardness
Duro 70
General Purpose O-Rings - 4.42x2.62 mm - Black Nitrile Rubber Bulk - Nitrile NBR, BUNA-N O-Ring
Material: Nitrile (NBR, BUNA-N)   
Part Number: ORB-00442-262-N70-106 (PK-7000)
Out of Stock | Backorder Now | Orders can be expected around Tue, Feb 24, 2026
Regular price $264.68 AUD
Regular price Sale price $264.68 AUD
Priced, Stocked and Sold Per 7000 Units
Excludes GST and overseas Taxes & Duties
Quantity Required

Backorder: Out of Stock.
General Purpose O-Rings - 4.42x2.62 mm - Black Nitrile Rubber Bulk - Nitrile NBR, BUNA-N O-Ring
Inside Diameter (ID)
4.42
mm

(Equiv. 0.174 in.)
Section (t)
2.62
mm

(Equiv. 0.103 in.)
Colour
Black

Hardness
Duro 90
General Purpose O-Rings - 4.42x2.62 mm - Black Nitrile Rubber Bulk - Nitrile NBR, BUNA-N O-Ring
Material: Nitrile (NBR, BUNA-N)   
Part Number: ORB-00442-262-N90-106 (PK-5500)
Out of Stock | Backorder Now | Orders can be expected around Tue, Feb 24, 2026
Regular price $208.05 AUD
Regular price Sale price $208.05 AUD
Priced, Stocked and Sold Per 5500 Units
Excludes GST and overseas Taxes & Duties
Quantity Required

Backorder: Out of Stock.
General Purpose O-Rings - 4.42x2.62 mm - Black Nitrile Rubber Bulk - Nitrile NBR, BUNA-N O-Ring
Inside Diameter (ID)
4.42
mm

(Equiv. 0.174 in.)
Section (t)
2.62
mm

(Equiv. 0.103 in.)
Colour
Black

Hardness
Duro 90
General Purpose O-Rings - 4.42x2.62 mm - Black Nitrile Rubber Bulk - Nitrile NBR, BUNA-N O-Ring
Material: Nitrile (NBR, BUNA-N)   
Part Number: ORB-00442-262-N90-106 (PK-5500)
Out of Stock | Backorder Now | Orders can be expected around Tue, Feb 24, 2026
Regular price $208.05 AUD
Regular price Sale price $208.05 AUD
Priced, Stocked and Sold Per 5500 Units
Excludes GST and overseas Taxes & Duties
Quantity Required

Backorder: Out of Stock.
General Purpose O-Rings - 4.47x1.78 mm - Black Nitrile Rubber Bulk - Nitrile NBR, BUNA-N O-Ring
Inside Diameter (ID)
4.47
mm

(Equiv. 0.176 in.)
Section (t)
1.78
mm

(Equiv. 0.07 in.)
Colour
Black

Hardness
Duro 70
General Purpose O-Rings - 4.47x1.78 mm - Black Nitrile Rubber Bulk - Nitrile NBR, BUNA-N O-Ring
Material: Nitrile (NBR, BUNA-N)   
Part Number: ORB-00447-178-N70-008 (PK-9500)
Out of Stock | Backorder Now | Orders can be expected around Tue, Feb 24, 2026
Regular price $239.50 AUD
Regular price Sale price $239.50 AUD
Priced, Stocked and Sold Per 9500 Units
Excludes GST and overseas Taxes & Duties
Quantity Required

Backorder: Out of Stock.
General Purpose O-Rings - 4.47x1.78 mm - Black Nitrile Rubber Bulk - Nitrile NBR, BUNA-N O-Ring
Inside Diameter (ID)
4.47
mm

(Equiv. 0.176 in.)
Section (t)
1.78
mm

(Equiv. 0.07 in.)
Colour
Black

Hardness
Duro 70
General Purpose O-Rings - 4.47x1.78 mm - Black Nitrile Rubber Bulk - Nitrile NBR, BUNA-N O-Ring
Material: Nitrile (NBR, BUNA-N)   
Part Number: ORB-00447-178-N70-008 (PK-9500)
Out of Stock | Backorder Now | Orders can be expected around Tue, Feb 24, 2026
Regular price $239.50 AUD
Regular price Sale price $239.50 AUD
Priced, Stocked and Sold Per 9500 Units
Excludes GST and overseas Taxes & Duties
Quantity Required

Backorder: Out of Stock.
General Purpose O-Rings - 4.47x1.78 mm - Black Nitrile Rubber Bulk - Nitrile NBR, BUNA-N O-Ring
Inside Diameter (ID)
4.47
mm

(Equiv. 0.176 in.)
Section (t)
1.78
mm

(Equiv. 0.07 in.)
Colour
Black

Hardness
Duro 90
General Purpose O-Rings - 4.47x1.78 mm - Black Nitrile Rubber Bulk - Nitrile NBR, BUNA-N O-Ring
Material: Nitrile (NBR, BUNA-N)   
Part Number: ORB-00447-178-N90-008 (PK-8000)
Out of Stock | Backorder Now | Orders can be expected around Tue, Feb 24, 2026
Regular price $201.68 AUD
Regular price Sale price $201.68 AUD
Priced, Stocked and Sold Per 8000 Units
Excludes GST and overseas Taxes & Duties
Quantity Required

Backorder: Out of Stock.
General Purpose O-Rings - 4.47x1.78 mm - Black Nitrile Rubber Bulk - Nitrile NBR, BUNA-N O-Ring
Inside Diameter (ID)
4.47
mm

(Equiv. 0.176 in.)
Section (t)
1.78
mm

(Equiv. 0.07 in.)
Colour
Black

Hardness
Duro 90
General Purpose O-Rings - 4.47x1.78 mm - Black Nitrile Rubber Bulk - Nitrile NBR, BUNA-N O-Ring
Material: Nitrile (NBR, BUNA-N)   
Part Number: ORB-00447-178-N90-008 (PK-8000)
Out of Stock | Backorder Now | Orders can be expected around Tue, Feb 24, 2026
Regular price $201.68 AUD
Regular price Sale price $201.68 AUD
Priced, Stocked and Sold Per 8000 Units
Excludes GST and overseas Taxes & Duties
Quantity Required

Backorder: Out of Stock.
General Purpose O-Rings - 4.5x1 mm - Black Nitrile Rubber Bulk - Nitrile NBR, BUNA-N O-Ring
Inside Diameter (ID)
4.50
mm

(Equiv. 0.177 in.)
Section (t)
1.00
mm

(Equiv. 0.039 in.)
Colour
Black

Hardness
Duro 70
General Purpose O-Rings - 4.5x1 mm - Black Nitrile Rubber Bulk - Nitrile NBR, BUNA-N O-Ring
Material: Nitrile (NBR, BUNA-N)   
Part Number: ORB-00450-100-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 - 4.5x1 mm - Black Nitrile Rubber Bulk - Nitrile NBR, BUNA-N O-Ring
Inside Diameter (ID)
4.50
mm

(Equiv. 0.177 in.)
Section (t)
1.00
mm

(Equiv. 0.039 in.)
Colour
Black

Hardness
Duro 70
General Purpose O-Rings - 4.5x1 mm - Black Nitrile Rubber Bulk - Nitrile NBR, BUNA-N O-Ring
Material: Nitrile (NBR, BUNA-N)   
Part Number: ORB-00450-100-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 - 4.5x1.5 mm - Black Nitrile Rubber Bulk - Nitrile NBR, BUNA-N O-Ring
Inside Diameter (ID)
4.50
mm

(Equiv. 0.177 in.)
Section (t)
1.50
mm

(Equiv. 0.059 in.)
Colour
Black

Hardness
Duro 70
General Purpose O-Rings - 4.5x1.5 mm - Black Nitrile Rubber Bulk - Nitrile NBR, BUNA-N O-Ring
Material: Nitrile (NBR, BUNA-N)   
Part Number: ORB-00450-150-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 - 4.5x1.5 mm - Black Nitrile Rubber Bulk - Nitrile NBR, BUNA-N O-Ring
Inside Diameter (ID)
4.50
mm

(Equiv. 0.177 in.)
Section (t)
1.50
mm

(Equiv. 0.059 in.)
Colour
Black

Hardness
Duro 70
General Purpose O-Rings - 4.5x1.5 mm - Black Nitrile Rubber Bulk - Nitrile NBR, BUNA-N O-Ring
Material: Nitrile (NBR, BUNA-N)   
Part Number: ORB-00450-150-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 - 4.5x1.8 mm - Black Nitrile Rubber Bulk - Nitrile NBR, BUNA-N O-Ring
Inside Diameter (ID)
4.50
mm

(Equiv. 0.177 in.)
Section (t)
1.80
mm

(Equiv. 0.071 in.)
Colour
Black

Hardness
Duro 70
General Purpose O-Rings - 4.5x1.8 mm - Black Nitrile Rubber Bulk - Nitrile NBR, BUNA-N O-Ring
Material: Nitrile (NBR, BUNA-N)   
Part Number: ORB-00450-180-N70 (PK-39500)
Out of Stock | Backorder Now | Orders can be expected around Tue, Feb 24, 2026
Regular price $746.68 AUD
Regular price Sale price $746.68 AUD
Priced, Stocked and Sold Per 39500 Units
Excludes GST and overseas Taxes & Duties
Quantity Required

Backorder: Out of Stock.
General Purpose O-Rings - 4.5x1.8 mm - Black Nitrile Rubber Bulk - Nitrile NBR, BUNA-N O-Ring
Inside Diameter (ID)
4.50
mm

(Equiv. 0.177 in.)
Section (t)
1.80
mm

(Equiv. 0.071 in.)
Colour
Black

Hardness
Duro 70
General Purpose O-Rings - 4.5x1.8 mm - Black Nitrile Rubber Bulk - Nitrile NBR, BUNA-N O-Ring
Material: Nitrile (NBR, BUNA-N)   
Part Number: ORB-00450-180-N70 (PK-39500)
Out of Stock | Backorder Now | Orders can be expected around Tue, Feb 24, 2026
Regular price $746.68 AUD
Regular price Sale price $746.68 AUD
Priced, Stocked and Sold Per 39500 Units
Excludes GST and overseas Taxes & Duties
Quantity Required

Backorder: Out of Stock.
General Purpose O-Rings - 4.5x2 mm - Black Nitrile Rubber Bulk - Nitrile NBR, BUNA-N O-Ring
Inside Diameter (ID)
4.50
mm

(Equiv. 0.177 in.)
Section (t)
2.00
mm

(Equiv. 0.079 in.)
Colour
Black

Hardness
Duro 70
General Purpose O-Rings - 4.5x2 mm - Black Nitrile Rubber Bulk - Nitrile NBR, BUNA-N O-Ring
Material: Nitrile (NBR, BUNA-N)   
Part Number: ORB-00450-200-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 - 4.5x2 mm - Black Nitrile Rubber Bulk - Nitrile NBR, BUNA-N O-Ring
Inside Diameter (ID)
4.50
mm

(Equiv. 0.177 in.)
Section (t)
2.00
mm

(Equiv. 0.079 in.)
Colour
Black

Hardness
Duro 70
General Purpose O-Rings - 4.5x2 mm - Black Nitrile Rubber Bulk - Nitrile NBR, BUNA-N O-Ring
Material: Nitrile (NBR, BUNA-N)   
Part Number: ORB-00450-200-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.