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

O-Rings -> General Purpose -> Nitrile Rubber Packs
Inside Diameter (ID) Section (t) Colour Hardness Special Applications Indicative
Image
General Purpose O-Rings - 30.8x3.6 mm - Black Nitrile Rubber Packs - Nitrile NBR, BUNA-N O-Ring
Inside Diameter (ID)
30.80
mm

(Equiv. 1.213 in.)
Section (t)
3.60
mm

(Equiv. 0.142 in.)
Colour
Black

Hardness
Duro 70
General Purpose O-Rings - 30.8x3.6 mm - Black Nitrile Rubber - Nitrile NBR, BUNA-N O-Ring
Material: Nitrile (NBR, BUNA-N)   
Part Number: OR-03080-360-N70 (PK-100)
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 - 30.8x3.6 mm - Black Nitrile Rubber Packs - Nitrile NBR, BUNA-N O-Ring
Inside Diameter (ID)
30.80
mm

(Equiv. 1.213 in.)
Section (t)
3.60
mm

(Equiv. 0.142 in.)
Colour
Black

Hardness
Duro 70
General Purpose O-Rings - 30.8x3.6 mm - Black Nitrile Rubber - Nitrile NBR, BUNA-N O-Ring
Material: Nitrile (NBR, BUNA-N)   
Part Number: OR-03080-360-N70 (PK-100)
Contact Us | Special Order Only - Please contact us if you need a large quantity | Orders can be expected around Thu, Sep 21, 2028
General Purpose O-Rings - 31x1.5 mm - Black Nitrile Rubber Packs - Nitrile NBR, BUNA-N O-Ring
Inside Diameter (ID)
31.00
mm

(Equiv. 1.22 in.)
Section (t)
1.50
mm

(Equiv. 0.059 in.)
Colour
Black

Hardness
Duro 70
General Purpose O-Rings - 31x1.5 mm - Black Nitrile Rubber - Nitrile NBR, BUNA-N O-Ring
Material: Nitrile (NBR, BUNA-N)   
Part Number: OR-03100-150-N70 (PK-10)
Out of Stock | Backorder Now | Orders can be expected around Wed, Feb 04, 2026
Regular price $59.41 AUD
Regular price Sale price $59.41 AUD
Priced, Stocked and Sold Per 10 Units
Excludes GST and overseas Taxes & Duties
Quantity Required

Backorder: Out of Stock.
General Purpose O-Rings - 31x1.5 mm - Black Nitrile Rubber Packs - Nitrile NBR, BUNA-N O-Ring
Inside Diameter (ID)
31.00
mm

(Equiv. 1.22 in.)
Section (t)
1.50
mm

(Equiv. 0.059 in.)
Colour
Black

Hardness
Duro 70
General Purpose O-Rings - 31x1.5 mm - Black Nitrile Rubber - Nitrile NBR, BUNA-N O-Ring
Material: Nitrile (NBR, BUNA-N)   
Part Number: OR-03100-150-N70 (PK-10)
Out of Stock | Backorder Now | Orders can be expected around Wed, Feb 04, 2026
Regular price $59.41 AUD
Regular price Sale price $59.41 AUD
Priced, Stocked and Sold Per 10 Units
Excludes GST and overseas Taxes & Duties
Quantity Required

Backorder: Out of Stock.
General Purpose O-Rings - 31x2 mm - Black Nitrile Rubber Packs - Nitrile NBR, BUNA-N O-Ring
Inside Diameter (ID)
31.00
mm

(Equiv. 1.22 in.)
Section (t)
2.00
mm

(Equiv. 0.079 in.)
Colour
Black

Hardness
Duro 70
General Purpose O-Rings - 31x2 mm - Black Nitrile Rubber - Nitrile NBR, BUNA-N O-Ring
Material: Nitrile (NBR, BUNA-N)   
Part Number: OR-03100-200-N70 (PK-20)
4 units (80 pcs) Available Now | Further orders can be expected around Wed, Feb 25, 2026
Regular price $9.23 AUD
Regular price Sale price $9.23 AUD
Priced, Stocked and Sold Per 20 Units
Excludes GST and overseas Taxes & Duties
Quantity Required

Larger quantities than the 4 available can be backordered.
General Purpose O-Rings - 31x2 mm - Black Nitrile Rubber Packs - Nitrile NBR, BUNA-N O-Ring
Inside Diameter (ID)
31.00
mm

(Equiv. 1.22 in.)
Section (t)
2.00
mm

(Equiv. 0.079 in.)
Colour
Black

Hardness
Duro 70
General Purpose O-Rings - 31x2 mm - Black Nitrile Rubber - Nitrile NBR, BUNA-N O-Ring
Material: Nitrile (NBR, BUNA-N)   
Part Number: OR-03100-200-N70 (PK-20)
4 units (80 pcs) Available Now | Further orders can be expected around Wed, Feb 25, 2026
Regular price $9.23 AUD
Regular price Sale price $9.23 AUD
Priced, Stocked and Sold Per 20 Units
Excludes GST and overseas Taxes & Duties
Quantity Required

4 units (80 pcs) Available Now. Backorder if more than 4.
General Purpose O-Rings - 31x2.5 mm - Black Nitrile Rubber Packs - Nitrile NBR, BUNA-N O-Ring
Inside Diameter (ID)
31.00
mm

(Equiv. 1.22 in.)
Section (t)
2.50
mm

(Equiv. 0.098 in.)
Colour
Black

Hardness
Duro 70
General Purpose O-Rings - 31x2.5 mm - Black Nitrile Rubber - Nitrile NBR, BUNA-N O-Ring
Material: Nitrile (NBR, BUNA-N)   
Part Number: OR-03100-250-N70 (PK-50)
Out of Stock | Backorder Now | Orders can be expected around Wed, Feb 04, 2026
Regular price $36.41 AUD
Regular price Sale price $36.41 AUD
Priced, Stocked and Sold Per 50 Units
Excludes GST and overseas Taxes & Duties
Quantity Required

Backorder: Out of Stock.
General Purpose O-Rings - 31x2.5 mm - Black Nitrile Rubber Packs - Nitrile NBR, BUNA-N O-Ring
Inside Diameter (ID)
31.00
mm

(Equiv. 1.22 in.)
Section (t)
2.50
mm

(Equiv. 0.098 in.)
Colour
Black

Hardness
Duro 70
General Purpose O-Rings - 31x2.5 mm - Black Nitrile Rubber - Nitrile NBR, BUNA-N O-Ring
Material: Nitrile (NBR, BUNA-N)   
Part Number: OR-03100-250-N70 (PK-50)
Out of Stock | Backorder Now | Orders can be expected around Wed, Feb 04, 2026
Regular price $36.41 AUD
Regular price Sale price $36.41 AUD
Priced, Stocked and Sold Per 50 Units
Excludes GST and overseas Taxes & Duties
Quantity Required

Backorder: Out of Stock.
General Purpose O-Rings - 31x3 mm - Black Nitrile Rubber Packs - Nitrile NBR, BUNA-N O-Ring
Inside Diameter (ID)
31.00
mm

(Equiv. 1.22 in.)
Section (t)
3.00
mm

(Equiv. 0.118 in.)
Colour
Black

Hardness
Duro 70
General Purpose O-Rings - 31x3 mm - Black Nitrile Rubber - Nitrile NBR, BUNA-N O-Ring
Material: Nitrile (NBR, BUNA-N)   
Part Number: OR-03100-300-N70 (PK-50)
Out of Stock | Backorder Now | Orders can be expected around Wed, Feb 04, 2026
Regular price $36.50 AUD
Regular price Sale price $36.50 AUD
Priced, Stocked and Sold Per 50 Units
Excludes GST and overseas Taxes & Duties
Quantity Required

Backorder: Out of Stock.
General Purpose O-Rings - 31x3 mm - Black Nitrile Rubber Packs - Nitrile NBR, BUNA-N O-Ring
Inside Diameter (ID)
31.00
mm

(Equiv. 1.22 in.)
Section (t)
3.00
mm

(Equiv. 0.118 in.)
Colour
Black

Hardness
Duro 70
General Purpose O-Rings - 31x3 mm - Black Nitrile Rubber - Nitrile NBR, BUNA-N O-Ring
Material: Nitrile (NBR, BUNA-N)   
Part Number: OR-03100-300-N70 (PK-50)
Out of Stock | Backorder Now | Orders can be expected around Wed, Feb 04, 2026
Regular price $36.50 AUD
Regular price Sale price $36.50 AUD
Priced, Stocked and Sold Per 50 Units
Excludes GST and overseas Taxes & Duties
Quantity Required

Backorder: Out of Stock.
General Purpose O-Rings - 31x3.5 mm - Black Nitrile Rubber Packs - Nitrile NBR, BUNA-N O-Ring
Inside Diameter (ID)
31.00
mm

(Equiv. 1.22 in.)
Section (t)
3.50
mm

(Equiv. 0.138 in.)
Colour
Black

Hardness
Duro 70
General Purpose O-Rings - 31x3.5 mm - Black Nitrile Rubber - Nitrile NBR, BUNA-N O-Ring
Material: Nitrile (NBR, BUNA-N)   
Part Number: OR-03100-350-N70 (PK-25)
Out of Stock | Backorder Now | Orders can be expected around Wed, Feb 04, 2026
Regular price $33.32 AUD
Regular price Sale price $33.32 AUD
Priced, Stocked and Sold Per 25 Units
Excludes GST and overseas Taxes & Duties
Quantity Required

Backorder: Out of Stock.
General Purpose O-Rings - 31x3.5 mm - Black Nitrile Rubber Packs - Nitrile NBR, BUNA-N O-Ring
Inside Diameter (ID)
31.00
mm

(Equiv. 1.22 in.)
Section (t)
3.50
mm

(Equiv. 0.138 in.)
Colour
Black

Hardness
Duro 70
General Purpose O-Rings - 31x3.5 mm - Black Nitrile Rubber - Nitrile NBR, BUNA-N O-Ring
Material: Nitrile (NBR, BUNA-N)   
Part Number: OR-03100-350-N70 (PK-25)
Out of Stock | Backorder Now | Orders can be expected around Wed, Feb 04, 2026
Regular price $33.32 AUD
Regular price Sale price $33.32 AUD
Priced, Stocked and Sold Per 25 Units
Excludes GST and overseas Taxes & Duties
Quantity Required

Backorder: Out of Stock.
General Purpose O-Rings - 31x4 mm - Black Nitrile Rubber Packs - Nitrile NBR, BUNA-N O-Ring
Inside Diameter (ID)
31.00
mm

(Equiv. 1.22 in.)
Section (t)
4.00
mm

(Equiv. 0.157 in.)
Colour
Black

Hardness
Duro 70
General Purpose O-Rings - 31x4 mm - Black Nitrile Rubber - Nitrile NBR, BUNA-N O-Ring
Material: Nitrile (NBR, BUNA-N)   
Part Number: OR-03100-400-N70 (PK-25)
Out of Stock | Backorder Now | Orders can be expected around Wed, Feb 04, 2026
Regular price $43.23 AUD
Regular price Sale price $43.23 AUD
Priced, Stocked and Sold Per 25 Units
Excludes GST and overseas Taxes & Duties
Quantity Required

Backorder: Out of Stock.
General Purpose O-Rings - 31x4 mm - Black Nitrile Rubber Packs - Nitrile NBR, BUNA-N O-Ring
Inside Diameter (ID)
31.00
mm

(Equiv. 1.22 in.)
Section (t)
4.00
mm

(Equiv. 0.157 in.)
Colour
Black

Hardness
Duro 70
General Purpose O-Rings - 31x4 mm - Black Nitrile Rubber - Nitrile NBR, BUNA-N O-Ring
Material: Nitrile (NBR, BUNA-N)   
Part Number: OR-03100-400-N70 (PK-25)
Out of Stock | Backorder Now | Orders can be expected around Wed, Feb 04, 2026
Regular price $43.23 AUD
Regular price Sale price $43.23 AUD
Priced, Stocked and Sold Per 25 Units
Excludes GST and overseas Taxes & Duties
Quantity Required

Backorder: Out of Stock.
General Purpose O-Rings - 31x4.5 mm - Black Nitrile Rubber Packs - Nitrile NBR, BUNA-N O-Ring
Inside Diameter (ID)
31.00
mm

(Equiv. 1.22 in.)
Section (t)
4.50
mm

(Equiv. 0.177 in.)
Colour
Black

Hardness
Duro 70
General Purpose O-Rings - 31x4.5 mm - Black Nitrile Rubber - Nitrile NBR, BUNA-N O-Ring
Material: Nitrile (NBR, BUNA-N)   
Part Number: OR-03100-450-N70 (PK-5000)
Contact Us | Special Order Only - Please contact us if you need a large quantity
General Purpose O-Rings - 31x4.5 mm - Black Nitrile Rubber Packs - Nitrile NBR, BUNA-N O-Ring
Inside Diameter (ID)
31.00
mm

(Equiv. 1.22 in.)
Section (t)
4.50
mm

(Equiv. 0.177 in.)
Colour
Black

Hardness
Duro 70
General Purpose O-Rings - 31x4.5 mm - Black Nitrile Rubber - Nitrile NBR, BUNA-N O-Ring
Material: Nitrile (NBR, BUNA-N)   
Part Number: OR-03100-450-N70 (PK-5000)
Contact Us | Special Order Only - Please contact us if you need a large quantity | Orders can be expected around Thu, Sep 21, 2028
General Purpose O-Rings - 31x5 mm - Black Nitrile Rubber Packs - Nitrile NBR, BUNA-N O-Ring
Inside Diameter (ID)
31.00
mm

(Equiv. 1.22 in.)
Section (t)
5.00
mm

(Equiv. 0.197 in.)
Colour
Black

Hardness
Duro 70
General Purpose O-Rings - 31x5 mm - Black Nitrile Rubber - Nitrile NBR, BUNA-N O-Ring
Material: Nitrile (NBR, BUNA-N)   
Part Number: OR-03100-500-N70 (PK-25)
Out of Stock | Backorder Now | Orders can be expected around Wed, Feb 04, 2026
Regular price $33.41 AUD
Regular price Sale price $33.41 AUD
Priced, Stocked and Sold Per 25 Units
Excludes GST and overseas Taxes & Duties
Quantity Required

Backorder: Out of Stock.
General Purpose O-Rings - 31x5 mm - Black Nitrile Rubber Packs - Nitrile NBR, BUNA-N O-Ring
Inside Diameter (ID)
31.00
mm

(Equiv. 1.22 in.)
Section (t)
5.00
mm

(Equiv. 0.197 in.)
Colour
Black

Hardness
Duro 70
General Purpose O-Rings - 31x5 mm - Black Nitrile Rubber - Nitrile NBR, BUNA-N O-Ring
Material: Nitrile (NBR, BUNA-N)   
Part Number: OR-03100-500-N70 (PK-25)
Out of Stock | Backorder Now | Orders can be expected around Wed, Feb 04, 2026
Regular price $33.41 AUD
Regular price Sale price $33.41 AUD
Priced, Stocked and Sold Per 25 Units
Excludes GST and overseas Taxes & Duties
Quantity Required

Backorder: Out of Stock.
General Purpose O-Rings - 31x6 mm - Black Nitrile Rubber Packs - Nitrile NBR, BUNA-N O-Ring
Inside Diameter (ID)
31.00
mm

(Equiv. 1.22 in.)
Section (t)
6.00
mm

(Equiv. 0.236 in.)
Colour
Black

Hardness
Duro 70
General Purpose O-Rings - 31x6 mm - Black Nitrile Rubber - Nitrile NBR, BUNA-N O-Ring
Material: Nitrile (NBR, BUNA-N)   
Part Number: OR-03100-600-N70 (PK-100)
Contact Us | Special Order Only - Please contact us if you need a large quantity
General Purpose O-Rings - 31x6 mm - Black Nitrile Rubber Packs - Nitrile NBR, BUNA-N O-Ring
Inside Diameter (ID)
31.00
mm

(Equiv. 1.22 in.)
Section (t)
6.00
mm

(Equiv. 0.236 in.)
Colour
Black

Hardness
Duro 70
General Purpose O-Rings - 31x6 mm - Black Nitrile Rubber - Nitrile NBR, BUNA-N O-Ring
Material: Nitrile (NBR, BUNA-N)   
Part Number: OR-03100-600-N70 (PK-100)
Contact Us | Special Order Only - Please contact us if you need a large quantity | Orders can be expected around Thu, Sep 21, 2028
General Purpose O-Rings - 31.12x5.33 mm - Black Nitrile Rubber Packs - Nitrile NBR, BUNA-N O-Ring
Inside Diameter (ID)
31.12
mm

(Equiv. 1.225 in.)
Section (t)
5.33
mm

(Equiv. 0.21 in.)
Colour
Black

Hardness
Duro 70
General Purpose O-Rings - 31.12x5.33 mm - Black Nitrile Rubber - Nitrile NBR, BUNA-N O-Ring
Material: Nitrile (NBR, BUNA-N)   
Part Number: OR-03112-533-N70-322 (PK-5)
50 units (250 pcs) Available Now | Further orders can be expected around Wed, Feb 25, 2026
Regular price $11.86 AUD
Regular price Sale price $11.86 AUD
Priced, Stocked and Sold Per 5 Units
Excludes GST and overseas Taxes & Duties
Quantity Required

Larger quantities than the 50 available can be backordered.
General Purpose O-Rings - 31.12x5.33 mm - Black Nitrile Rubber Packs - Nitrile NBR, BUNA-N O-Ring
Inside Diameter (ID)
31.12
mm

(Equiv. 1.225 in.)
Section (t)
5.33
mm

(Equiv. 0.21 in.)
Colour
Black

Hardness
Duro 70
General Purpose O-Rings - 31.12x5.33 mm - Black Nitrile Rubber - Nitrile NBR, BUNA-N O-Ring
Material: Nitrile (NBR, BUNA-N)   
Part Number: OR-03112-533-N70-322 (PK-5)
50 units (250 pcs) Available Now | Further orders can be expected around Wed, Feb 25, 2026
Regular price $11.86 AUD
Regular price Sale price $11.86 AUD
Priced, Stocked and Sold Per 5 Units
Excludes GST and overseas Taxes & Duties
Quantity Required

50 units (250 pcs) Available Now. Backorder if more than 50.
General Purpose O-Rings - 31.12x5.33 mm - Black Nitrile Rubber Packs - Nitrile NBR, BUNA-N O-Ring
Inside Diameter (ID)
31.12
mm

(Equiv. 1.225 in.)
Section (t)
5.33
mm

(Equiv. 0.21 in.)
Colour
Black

Hardness
Duro 90
General Purpose O-Rings - 31.12x5.33 mm - Black Nitrile Rubber - Nitrile NBR, BUNA-N O-Ring
Material: Nitrile (NBR, BUNA-N)   
Part Number: OR-03112-533-N90-322 (PK-50)
Out of Stock | Backorder Now | Orders can be expected around Wed, Feb 25, 2026
Regular price $212.14 AUD
Regular price Sale price $212.14 AUD
Priced, Stocked and Sold Per 50 Units
Excludes GST and overseas Taxes & Duties
Quantity Required

Backorder: Out of Stock.
General Purpose O-Rings - 31.12x5.33 mm - Black Nitrile Rubber Packs - Nitrile NBR, BUNA-N O-Ring
Inside Diameter (ID)
31.12
mm

(Equiv. 1.225 in.)
Section (t)
5.33
mm

(Equiv. 0.21 in.)
Colour
Black

Hardness
Duro 90
General Purpose O-Rings - 31.12x5.33 mm - Black Nitrile Rubber - Nitrile NBR, BUNA-N O-Ring
Material: Nitrile (NBR, BUNA-N)   
Part Number: OR-03112-533-N90-322 (PK-50)
Out of Stock | Backorder Now | Orders can be expected around Wed, Feb 25, 2026
Regular price $212.14 AUD
Regular price Sale price $212.14 AUD
Priced, Stocked and Sold Per 50 Units
Excludes GST and overseas Taxes & Duties
Quantity Required

Backorder: Out of Stock.
General Purpose O-Rings - 31.34x3.53 mm - Black Nitrile Rubber Packs - Nitrile NBR, BUNA-N O-Ring
Inside Diameter (ID)
31.34
mm

(Equiv. 1.234 in.)
Section (t)
3.53
mm

(Equiv. 0.139 in.)
Colour
Black

Hardness
Duro 70
General Purpose O-Rings - 31.34x3.53 mm - Black Nitrile Rubber - Nitrile NBR, BUNA-N O-Ring
Material: Nitrile (NBR, BUNA-N)   
Part Number: OR-03134-353-N70-218 (PK-10)
Out of Stock | Backorder Now | Orders can be expected around Wed, Feb 04, 2026
Regular price $44.59 AUD
Regular price Sale price $44.59 AUD
Priced, Stocked and Sold Per 10 Units
Excludes GST and overseas Taxes & Duties
Quantity Required

Backorder: Out of Stock.
General Purpose O-Rings - 31.34x3.53 mm - Black Nitrile Rubber Packs - Nitrile NBR, BUNA-N O-Ring
Inside Diameter (ID)
31.34
mm

(Equiv. 1.234 in.)
Section (t)
3.53
mm

(Equiv. 0.139 in.)
Colour
Black

Hardness
Duro 70
General Purpose O-Rings - 31.34x3.53 mm - Black Nitrile Rubber - Nitrile NBR, BUNA-N O-Ring
Material: Nitrile (NBR, BUNA-N)   
Part Number: OR-03134-353-N70-218 (PK-10)
Out of Stock | Backorder Now | Orders can be expected around Wed, Feb 04, 2026
Regular price $44.59 AUD
Regular price Sale price $44.59 AUD
Priced, Stocked and Sold Per 10 Units
Excludes GST and overseas Taxes & Duties
Quantity Required

Backorder: Out of Stock.
General Purpose O-Rings - 31.34x3.53 mm - Black Nitrile Rubber Packs - Nitrile NBR, BUNA-N O-Ring
Inside Diameter (ID)
31.34
mm

(Equiv. 1.234 in.)
Section (t)
3.53
mm

(Equiv. 0.139 in.)
Colour
Black

Hardness
Duro 90
General Purpose O-Rings - 31.34x3.53 mm - Black Nitrile Rubber - Nitrile NBR, BUNA-N O-Ring
Material: Nitrile (NBR, BUNA-N)   
Part Number: OR-03134-353-N90-218 (PK-100)
Out of Stock | Backorder Now | Orders can be expected around Wed, Feb 25, 2026
Regular price $198.14 AUD
Regular price Sale price $198.14 AUD
Priced, Stocked and Sold Per 100 Units
Excludes GST and overseas Taxes & Duties
Quantity Required

Backorder: Out of Stock.
General Purpose O-Rings - 31.34x3.53 mm - Black Nitrile Rubber Packs - Nitrile NBR, BUNA-N O-Ring
Inside Diameter (ID)
31.34
mm

(Equiv. 1.234 in.)
Section (t)
3.53
mm

(Equiv. 0.139 in.)
Colour
Black

Hardness
Duro 90
General Purpose O-Rings - 31.34x3.53 mm - Black Nitrile Rubber - Nitrile NBR, BUNA-N O-Ring
Material: Nitrile (NBR, BUNA-N)   
Part Number: OR-03134-353-N90-218 (PK-100)
Out of Stock | Backorder Now | Orders can be expected around Wed, Feb 25, 2026
Regular price $198.14 AUD
Regular price Sale price $198.14 AUD
Priced, Stocked and Sold Per 100 Units
Excludes GST and overseas Taxes & Duties
Quantity Required

Backorder: Out of Stock.
General Purpose O-Rings - 31.42x2.62 mm - Black Nitrile Rubber Packs - Nitrile NBR, BUNA-N O-Ring
Inside Diameter (ID)
31.42
mm

(Equiv. 1.237 in.)
Section (t)
2.62
mm

(Equiv. 0.103 in.)
Colour
Black

Hardness
Duro 70
General Purpose O-Rings - 31.42x2.62 mm - Black Nitrile Rubber - Nitrile NBR, BUNA-N O-Ring
Material: Nitrile (NBR, BUNA-N)   
Part Number: OR-03142-262-N70-124 (PK-10)
Out of Stock | Backorder Now | Orders can be expected around Wed, Feb 04, 2026
Regular price $31.05 AUD
Regular price Sale price $31.05 AUD
Priced, Stocked and Sold Per 10 Units
Excludes GST and overseas Taxes & Duties
Quantity Required

Backorder: Out of Stock.
General Purpose O-Rings - 31.42x2.62 mm - Black Nitrile Rubber Packs - Nitrile NBR, BUNA-N O-Ring
Inside Diameter (ID)
31.42
mm

(Equiv. 1.237 in.)
Section (t)
2.62
mm

(Equiv. 0.103 in.)
Colour
Black

Hardness
Duro 70
General Purpose O-Rings - 31.42x2.62 mm - Black Nitrile Rubber - Nitrile NBR, BUNA-N O-Ring
Material: Nitrile (NBR, BUNA-N)   
Part Number: OR-03142-262-N70-124 (PK-10)
Out of Stock | Backorder Now | Orders can be expected around Wed, Feb 04, 2026
Regular price $31.05 AUD
Regular price Sale price $31.05 AUD
Priced, Stocked and Sold Per 10 Units
Excludes GST and overseas Taxes & Duties
Quantity Required

Backorder: Out of Stock.
General Purpose O-Rings - 31.42x2.62 mm - Black Nitrile Rubber Packs - Nitrile NBR, BUNA-N O-Ring
Inside Diameter (ID)
31.42
mm

(Equiv. 1.237 in.)
Section (t)
2.62
mm

(Equiv. 0.103 in.)
Colour
Black

Hardness
Duro 90
General Purpose O-Rings - 31.42x2.62 mm - Black Nitrile Rubber - Nitrile NBR, BUNA-N O-Ring
Material: Nitrile (NBR, BUNA-N)   
Part Number: OR-03142-262-N90-124 (PK-150)
Out of Stock | Backorder Now | Orders can be expected around Wed, Feb 25, 2026
Regular price $192.14 AUD
Regular price Sale price $192.14 AUD
Priced, Stocked and Sold Per 150 Units
Excludes GST and overseas Taxes & Duties
Quantity Required

Backorder: Out of Stock.
General Purpose O-Rings - 31.42x2.62 mm - Black Nitrile Rubber Packs - Nitrile NBR, BUNA-N O-Ring
Inside Diameter (ID)
31.42
mm

(Equiv. 1.237 in.)
Section (t)
2.62
mm

(Equiv. 0.103 in.)
Colour
Black

Hardness
Duro 90
General Purpose O-Rings - 31.42x2.62 mm - Black Nitrile Rubber - Nitrile NBR, BUNA-N O-Ring
Material: Nitrile (NBR, BUNA-N)   
Part Number: OR-03142-262-N90-124 (PK-150)
Out of Stock | Backorder Now | Orders can be expected around Wed, Feb 25, 2026
Regular price $192.14 AUD
Regular price Sale price $192.14 AUD
Priced, Stocked and Sold Per 150 Units
Excludes GST and overseas Taxes & Duties
Quantity Required

Backorder: Out of Stock.
General Purpose O-Rings - 31.47x1.78 mm - Black Nitrile Rubber Packs - Nitrile NBR, BUNA-N O-Ring
Inside Diameter (ID)
31.47
mm

(Equiv. 1.239 in.)
Section (t)
1.78
mm

(Equiv. 0.07 in.)
Colour
Black

Hardness
Duro 70
General Purpose O-Rings - 31.47x1.78 mm - Black Nitrile Rubber - Nitrile NBR, BUNA-N O-Ring
Material: Nitrile (NBR, BUNA-N)   
Part Number: OR-03147-178-N70-026 (PK-50)
529 units (26450 pcs) Available Now | Further orders can be expected around Wed, Feb 25, 2026
Regular price $21.05 AUD
Regular price Sale price $21.05 AUD
Priced, Stocked and Sold Per 50 Units
Excludes GST and overseas Taxes & Duties
Quantity Required

Larger quantities than the 529 available can be backordered.
General Purpose O-Rings - 31.47x1.78 mm - Black Nitrile Rubber Packs - Nitrile NBR, BUNA-N O-Ring
Inside Diameter (ID)
31.47
mm

(Equiv. 1.239 in.)
Section (t)
1.78
mm

(Equiv. 0.07 in.)
Colour
Black

Hardness
Duro 70
General Purpose O-Rings - 31.47x1.78 mm - Black Nitrile Rubber - Nitrile NBR, BUNA-N O-Ring
Material: Nitrile (NBR, BUNA-N)   
Part Number: OR-03147-178-N70-026 (PK-50)
529 units (26450 pcs) Available Now | Further orders can be expected around Wed, Feb 25, 2026
Regular price $21.05 AUD
Regular price Sale price $21.05 AUD
Priced, Stocked and Sold Per 50 Units
Excludes GST and overseas Taxes & Duties
Quantity Required

529 units (26450 pcs) Available Now. Backorder if more than 529.
General Purpose O-Rings - 31.47x1.78 mm - Black Nitrile Rubber Packs - Nitrile NBR, BUNA-N O-Ring
Inside Diameter (ID)
31.47
mm

(Equiv. 1.239 in.)
Section (t)
1.78
mm

(Equiv. 0.07 in.)
Colour
Black

Hardness
Duro 90
General Purpose O-Rings - 31.47x1.78 mm - Black Nitrile Rubber - Nitrile NBR, BUNA-N O-Ring
Material: Nitrile (NBR, BUNA-N)   
Part Number: OR-03147-178-N90-026 (PK-200)
Out of Stock | Backorder Now | Orders can be expected around Wed, Feb 25, 2026
Regular price $144.14 AUD
Regular price Sale price $144.14 AUD
Priced, Stocked and Sold Per 200 Units
Excludes GST and overseas Taxes & Duties
Quantity Required

Backorder: Out of Stock.
General Purpose O-Rings - 31.47x1.78 mm - Black Nitrile Rubber Packs - Nitrile NBR, BUNA-N O-Ring
Inside Diameter (ID)
31.47
mm

(Equiv. 1.239 in.)
Section (t)
1.78
mm

(Equiv. 0.07 in.)
Colour
Black

Hardness
Duro 90
General Purpose O-Rings - 31.47x1.78 mm - Black Nitrile Rubber - Nitrile NBR, BUNA-N O-Ring
Material: Nitrile (NBR, BUNA-N)   
Part Number: OR-03147-178-N90-026 (PK-200)
Out of Stock | Backorder Now | Orders can be expected around Wed, Feb 25, 2026
Regular price $144.14 AUD
Regular price Sale price $144.14 AUD
Priced, Stocked and Sold Per 200 Units
Excludes GST and overseas Taxes & Duties
Quantity Required

Backorder: Out of Stock.
General Purpose O-Rings - 31.5x2 mm - Black Nitrile Rubber Packs - Nitrile NBR, BUNA-N O-Ring
Inside Diameter (ID)
31.50
mm

(Equiv. 1.24 in.)
Section (t)
2.00
mm

(Equiv. 0.079 in.)
Colour
Black

Hardness
Duro 70
General Purpose O-Rings - 31.5x2 mm - Black Nitrile Rubber - Nitrile NBR, BUNA-N O-Ring
Material: Nitrile (NBR, BUNA-N)   
Part Number: OR-03150-200-N70 (PK-50)
Out of Stock | Backorder Now | Orders can be expected around Wed, Feb 04, 2026
Regular price $38.77 AUD
Regular price Sale price $38.77 AUD
Priced, Stocked and Sold Per 50 Units
Excludes GST and overseas Taxes & Duties
Quantity Required

Backorder: Out of Stock.
General Purpose O-Rings - 31.5x2 mm - Black Nitrile Rubber Packs - Nitrile NBR, BUNA-N O-Ring
Inside Diameter (ID)
31.50
mm

(Equiv. 1.24 in.)
Section (t)
2.00
mm

(Equiv. 0.079 in.)
Colour
Black

Hardness
Duro 70
General Purpose O-Rings - 31.5x2 mm - Black Nitrile Rubber - Nitrile NBR, BUNA-N O-Ring
Material: Nitrile (NBR, BUNA-N)   
Part Number: OR-03150-200-N70 (PK-50)
Out of Stock | Backorder Now | Orders can be expected around Wed, Feb 04, 2026
Regular price $38.77 AUD
Regular price Sale price $38.77 AUD
Priced, Stocked and Sold Per 50 Units
Excludes GST and overseas Taxes & Duties
Quantity Required

Backorder: Out of Stock.
General Purpose O-Rings - 31.5x2.5 mm - Black Nitrile Rubber Packs - Nitrile NBR, BUNA-N O-Ring
Inside Diameter (ID)
31.50
mm

(Equiv. 1.24 in.)
Section (t)
2.50
mm

(Equiv. 0.098 in.)
Colour
Black

Hardness
Duro 70
General Purpose O-Rings - 31.5x2.5 mm - Black Nitrile Rubber - Nitrile NBR, BUNA-N O-Ring
Material: Nitrile (NBR, BUNA-N)   
Part Number: OR-03150-250-N70 (PK-100)
Contact Us | Special Order Only - Please contact us if you need a large quantity
General Purpose O-Rings - 31.5x2.5 mm - Black Nitrile Rubber Packs - Nitrile NBR, BUNA-N O-Ring
Inside Diameter (ID)
31.50
mm

(Equiv. 1.24 in.)
Section (t)
2.50
mm

(Equiv. 0.098 in.)
Colour
Black

Hardness
Duro 70
General Purpose O-Rings - 31.5x2.5 mm - Black Nitrile Rubber - Nitrile NBR, BUNA-N O-Ring
Material: Nitrile (NBR, BUNA-N)   
Part Number: OR-03150-250-N70 (PK-100)
Contact Us | Special Order Only - Please contact us if you need a large quantity | Orders can be expected around Thu, Sep 21, 2028
General Purpose O-Rings - 31.5x2.65 mm - Black Nitrile Rubber Packs - Nitrile NBR, BUNA-N O-Ring
Inside Diameter (ID)
31.50
mm

(Equiv. 1.24 in.)
Section (t)
2.65
mm

(Equiv. 0.104 in.)
Colour
Black

Hardness
Duro 70
General Purpose O-Rings - 31.5x2.65 mm - Black Nitrile Rubber - Nitrile NBR, BUNA-N O-Ring
Material: Nitrile (NBR, BUNA-N)   
Part Number: OR-03150-265-N70 (PK-490)
Out of Stock | Backorder Now | Orders can be expected around Wed, Feb 25, 2026
Regular price $519.50 AUD
Regular price Sale price $519.50 AUD
Priced, Stocked and Sold Per 490 Units
Excludes GST and overseas Taxes & Duties
Quantity Required

Backorder: Out of Stock.
General Purpose O-Rings - 31.5x2.65 mm - Black Nitrile Rubber Packs - Nitrile NBR, BUNA-N O-Ring
Inside Diameter (ID)
31.50
mm

(Equiv. 1.24 in.)
Section (t)
2.65
mm

(Equiv. 0.104 in.)
Colour
Black

Hardness
Duro 70
General Purpose O-Rings - 31.5x2.65 mm - Black Nitrile Rubber - Nitrile NBR, BUNA-N O-Ring
Material: Nitrile (NBR, BUNA-N)   
Part Number: OR-03150-265-N70 (PK-490)
Out of Stock | Backorder Now | Orders can be expected around Wed, Feb 25, 2026
Regular price $519.50 AUD
Regular price Sale price $519.50 AUD
Priced, Stocked and Sold Per 490 Units
Excludes GST and overseas Taxes & Duties
Quantity Required

Backorder: Out of Stock.
General Purpose O-Rings - 31.5x3 mm - Black Nitrile Rubber Packs - Nitrile NBR, BUNA-N O-Ring
Inside Diameter (ID)
31.50
mm

(Equiv. 1.24 in.)
Section (t)
3.00
mm

(Equiv. 0.118 in.)
Colour
Black

Hardness
Duro 70
General Purpose O-Rings - 31.5x3 mm - Black Nitrile Rubber - Nitrile NBR, BUNA-N O-Ring
Material: Nitrile (NBR, BUNA-N)   
Part Number: OR-03150-300-N70 (PK-100)
Contact Us | Special Order Only - Please contact us if you need a large quantity
General Purpose O-Rings - 31.5x3 mm - Black Nitrile Rubber Packs - Nitrile NBR, BUNA-N O-Ring
Inside Diameter (ID)
31.50
mm

(Equiv. 1.24 in.)
Section (t)
3.00
mm

(Equiv. 0.118 in.)
Colour
Black

Hardness
Duro 70
General Purpose O-Rings - 31.5x3 mm - Black Nitrile Rubber - Nitrile NBR, BUNA-N O-Ring
Material: Nitrile (NBR, BUNA-N)   
Part Number: OR-03150-300-N70 (PK-100)
Contact Us | Special Order Only - Please contact us if you need a large quantity | Orders can be expected around Thu, Sep 21, 2028
General Purpose O-Rings - 31.5x3.55 mm - Black Nitrile Rubber Packs - Nitrile NBR, BUNA-N O-Ring
Inside Diameter (ID)
31.50
mm

(Equiv. 1.24 in.)
Section (t)
3.55
mm

(Equiv. 0.14 in.)
Colour
Black

Hardness
Duro 70
General Purpose O-Rings - 31.5x3.55 mm - Black Nitrile Rubber - Nitrile NBR, BUNA-N O-Ring
Material: Nitrile (NBR, BUNA-N)   
Part Number: OR-03150-355-N70 (PK-390)
Out of Stock | Backorder Now | Orders can be expected around Wed, Feb 25, 2026
Regular price $585.14 AUD
Regular price Sale price $585.14 AUD
Priced, Stocked and Sold Per 390 Units
Excludes GST and overseas Taxes & Duties
Quantity Required

Backorder: Out of Stock.
General Purpose O-Rings - 31.5x3.55 mm - Black Nitrile Rubber Packs - Nitrile NBR, BUNA-N O-Ring
Inside Diameter (ID)
31.50
mm

(Equiv. 1.24 in.)
Section (t)
3.55
mm

(Equiv. 0.14 in.)
Colour
Black

Hardness
Duro 70
General Purpose O-Rings - 31.5x3.55 mm - Black Nitrile Rubber - Nitrile NBR, BUNA-N O-Ring
Material: Nitrile (NBR, BUNA-N)   
Part Number: OR-03150-355-N70 (PK-390)
Out of Stock | Backorder Now | Orders can be expected around Wed, Feb 25, 2026
Regular price $585.14 AUD
Regular price Sale price $585.14 AUD
Priced, Stocked and Sold Per 390 Units
Excludes GST and overseas Taxes & Duties
Quantity Required

Backorder: Out of Stock.
General Purpose O-Rings - 31.5x4.5 mm - Black Nitrile Rubber Packs - Nitrile NBR, BUNA-N O-Ring
Inside Diameter (ID)
31.50
mm

(Equiv. 1.24 in.)
Section (t)
4.50
mm

(Equiv. 0.177 in.)
Colour
Black

Hardness
Duro 70
General Purpose O-Rings - 31.5x4.5 mm - Black Nitrile Rubber - Nitrile NBR, BUNA-N O-Ring
Material: Nitrile (NBR, BUNA-N)   
Part Number: OR-03150-450-N70 (PK-100)
Contact Us | Special Order Only - Please contact us if you need a large quantity
General Purpose O-Rings - 31.5x4.5 mm - Black Nitrile Rubber Packs - Nitrile NBR, BUNA-N O-Ring
Inside Diameter (ID)
31.50
mm

(Equiv. 1.24 in.)
Section (t)
4.50
mm

(Equiv. 0.177 in.)
Colour
Black

Hardness
Duro 70
General Purpose O-Rings - 31.5x4.5 mm - Black Nitrile Rubber - Nitrile NBR, BUNA-N O-Ring
Material: Nitrile (NBR, BUNA-N)   
Part Number: OR-03150-450-N70 (PK-100)
Contact Us | Special Order Only - Please contact us if you need a large quantity | Orders can be expected around Thu, Sep 21, 2028