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 - 127x2.5 mm - Black Nitrile Rubber Packs - Nitrile NBR, BUNA-N O-Ring
Inside Diameter (ID)
127.00
mm

(Equiv. 5 in.)
Section (t)
2.50
mm

(Equiv. 0.098 in.)
Colour
Black

Hardness
Duro 70
General Purpose O-Rings - 127x2.5 mm - Black Nitrile Rubber - Nitrile NBR, BUNA-N O-Ring
Material: Nitrile (NBR, BUNA-N)   
Part Number: OR-12700-250-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 - 127x2.5 mm - Black Nitrile Rubber Packs - Nitrile NBR, BUNA-N O-Ring
Inside Diameter (ID)
127.00
mm

(Equiv. 5 in.)
Section (t)
2.50
mm

(Equiv. 0.098 in.)
Colour
Black

Hardness
Duro 70
General Purpose O-Rings - 127x2.5 mm - Black Nitrile Rubber - Nitrile NBR, BUNA-N O-Ring
Material: Nitrile (NBR, BUNA-N)   
Part Number: OR-12700-250-N70 (PK-100)
Contact Us | Special Order Only - Please contact us if you need a large quantity | Orders can be expected around Sat, Sep 23, 2028
General Purpose O-Rings - 127x3 mm - Black Nitrile Rubber Packs - Nitrile NBR, BUNA-N O-Ring
Inside Diameter (ID)
127.00
mm

(Equiv. 5 in.)
Section (t)
3.00
mm

(Equiv. 0.118 in.)
Colour
Black

Hardness
Duro 70
General Purpose O-Rings - 127x3 mm - Black Nitrile Rubber - Nitrile NBR, BUNA-N O-Ring
Material: Nitrile (NBR, BUNA-N)   
Part Number: OR-12700-300-N70 (PK-100)
Contact Us | Special Order Only - Please contact us if you need a large quantity
General Purpose O-Rings - 127x3 mm - Black Nitrile Rubber Packs - Nitrile NBR, BUNA-N O-Ring
Inside Diameter (ID)
127.00
mm

(Equiv. 5 in.)
Section (t)
3.00
mm

(Equiv. 0.118 in.)
Colour
Black

Hardness
Duro 70
General Purpose O-Rings - 127x3 mm - Black Nitrile Rubber - Nitrile NBR, BUNA-N O-Ring
Material: Nitrile (NBR, BUNA-N)   
Part Number: OR-12700-300-N70 (PK-100)
Contact Us | Special Order Only - Please contact us if you need a large quantity | Orders can be expected around Sat, Sep 23, 2028
General Purpose O-Rings - 127x3.5 mm - Black Nitrile Rubber Packs - Nitrile NBR, BUNA-N O-Ring
Inside Diameter (ID)
127.00
mm

(Equiv. 5 in.)
Section (t)
3.50
mm

(Equiv. 0.138 in.)
Colour
Black

Hardness
Duro 70
General Purpose O-Rings - 127x3.5 mm - Black Nitrile Rubber - Nitrile NBR, BUNA-N O-Ring
Material: Nitrile (NBR, BUNA-N)   
Part Number: OR-12700-350-N70 (PK-100)
Contact Us | Special Order Only - Please contact us if you need a large quantity
General Purpose O-Rings - 127x3.5 mm - Black Nitrile Rubber Packs - Nitrile NBR, BUNA-N O-Ring
Inside Diameter (ID)
127.00
mm

(Equiv. 5 in.)
Section (t)
3.50
mm

(Equiv. 0.138 in.)
Colour
Black

Hardness
Duro 70
General Purpose O-Rings - 127x3.5 mm - Black Nitrile Rubber - Nitrile NBR, BUNA-N O-Ring
Material: Nitrile (NBR, BUNA-N)   
Part Number: OR-12700-350-N70 (PK-100)
Contact Us | Special Order Only - Please contact us if you need a large quantity | Orders can be expected around Sat, Sep 23, 2028
General Purpose O-Rings - 127x4 mm - Black Nitrile Rubber Packs - Nitrile NBR, BUNA-N O-Ring
Inside Diameter (ID)
127.00
mm

(Equiv. 5 in.)
Section (t)
4.00
mm

(Equiv. 0.157 in.)
Colour
Black

Hardness
Duro 70
General Purpose O-Rings - 127x4 mm - Black Nitrile Rubber - Nitrile NBR, BUNA-N O-Ring
Material: Nitrile (NBR, BUNA-N)   
Part Number: OR-12700-400-N70 (PK-2)
Out of Stock | Backorder Now | Orders can be expected around Fri, Feb 06, 2026
Regular price $21.32 AUD
Regular price Sale price $21.32 AUD
Priced, Stocked and Sold Per 2 Units
Excludes GST and overseas Taxes & Duties
Quantity Required

Backorder: Out of Stock.
General Purpose O-Rings - 127x4 mm - Black Nitrile Rubber Packs - Nitrile NBR, BUNA-N O-Ring
Inside Diameter (ID)
127.00
mm

(Equiv. 5 in.)
Section (t)
4.00
mm

(Equiv. 0.157 in.)
Colour
Black

Hardness
Duro 70
General Purpose O-Rings - 127x4 mm - Black Nitrile Rubber - Nitrile NBR, BUNA-N O-Ring
Material: Nitrile (NBR, BUNA-N)   
Part Number: OR-12700-400-N70 (PK-2)
Out of Stock | Backorder Now | Orders can be expected around Fri, Feb 06, 2026
Regular price $21.32 AUD
Regular price Sale price $21.32 AUD
Priced, Stocked and Sold Per 2 Units
Excludes GST and overseas Taxes & Duties
Quantity Required

Backorder: Out of Stock.
General Purpose O-Rings - 127x5 mm - Black Nitrile Rubber Packs - Nitrile NBR, BUNA-N O-Ring
Inside Diameter (ID)
127.00
mm

(Equiv. 5 in.)
Section (t)
5.00
mm

(Equiv. 0.197 in.)
Colour
Black

Hardness
Duro 70
General Purpose O-Rings - 127x5 mm - Black Nitrile Rubber - Nitrile NBR, BUNA-N O-Ring
Material: Nitrile (NBR, BUNA-N)   
Part Number: OR-12700-500-N70 (PK-100)
Contact Us | Special Order Only - Please contact us if you need a large quantity
General Purpose O-Rings - 127x5 mm - Black Nitrile Rubber Packs - Nitrile NBR, BUNA-N O-Ring
Inside Diameter (ID)
127.00
mm

(Equiv. 5 in.)
Section (t)
5.00
mm

(Equiv. 0.197 in.)
Colour
Black

Hardness
Duro 70
General Purpose O-Rings - 127x5 mm - Black Nitrile Rubber - Nitrile NBR, BUNA-N O-Ring
Material: Nitrile (NBR, BUNA-N)   
Part Number: OR-12700-500-N70 (PK-100)
Contact Us | Special Order Only - Please contact us if you need a large quantity | Orders can be expected around Sat, Sep 23, 2028
General Purpose O-Rings - 127x5.33 mm - Black Nitrile Rubber Packs - Nitrile NBR, BUNA-N O-Ring
Inside Diameter (ID)
127.00
mm

(Equiv. 5 in.)
Section (t)
5.33
mm

(Equiv. 0.21 in.)
Colour
Black

Hardness
Duro 70
General Purpose O-Rings - 127x5.33 mm - Black Nitrile Rubber - Nitrile NBR, BUNA-N O-Ring
Material: Nitrile (NBR, BUNA-N)   
Part Number: OR-12700-533-N70 (PK-100)
Contact Us | Special Order Only - Please contact us if you need a large quantity
General Purpose O-Rings - 127x5.33 mm - Black Nitrile Rubber Packs - Nitrile NBR, BUNA-N O-Ring
Inside Diameter (ID)
127.00
mm

(Equiv. 5 in.)
Section (t)
5.33
mm

(Equiv. 0.21 in.)
Colour
Black

Hardness
Duro 70
General Purpose O-Rings - 127x5.33 mm - Black Nitrile Rubber - Nitrile NBR, BUNA-N O-Ring
Material: Nitrile (NBR, BUNA-N)   
Part Number: OR-12700-533-N70 (PK-100)
Contact Us | Special Order Only - Please contact us if you need a large quantity | Orders can be expected around Sat, Sep 23, 2028
General Purpose O-Rings - 128x2.5 mm - Black Nitrile Rubber Packs - Nitrile NBR, BUNA-N O-Ring
Inside Diameter (ID)
128.00
mm

(Equiv. 5.039 in.)
Section (t)
2.50
mm

(Equiv. 0.098 in.)
Colour
Black

Hardness
Duro 70
General Purpose O-Rings - 128x2.5 mm - Black Nitrile Rubber - Nitrile NBR, BUNA-N O-Ring
Material: Nitrile (NBR, BUNA-N)   
Part Number: OR-12800-250-N70 (PK-100)
Contact Us | Special Order Only - Please contact us if you need a large quantity
General Purpose O-Rings - 128x2.5 mm - Black Nitrile Rubber Packs - Nitrile NBR, BUNA-N O-Ring
Inside Diameter (ID)
128.00
mm

(Equiv. 5.039 in.)
Section (t)
2.50
mm

(Equiv. 0.098 in.)
Colour
Black

Hardness
Duro 70
General Purpose O-Rings - 128x2.5 mm - Black Nitrile Rubber - Nitrile NBR, BUNA-N O-Ring
Material: Nitrile (NBR, BUNA-N)   
Part Number: OR-12800-250-N70 (PK-100)
Contact Us | Special Order Only - Please contact us if you need a large quantity | Orders can be expected around Sat, Sep 23, 2028
General Purpose O-Rings - 128x3 mm - Black Nitrile Rubber Packs - Nitrile NBR, BUNA-N O-Ring
Inside Diameter (ID)
128.00
mm

(Equiv. 5.039 in.)
Section (t)
3.00
mm

(Equiv. 0.118 in.)
Colour
Black

Hardness
Duro 70
General Purpose O-Rings - 128x3 mm - Black Nitrile Rubber - Nitrile NBR, BUNA-N O-Ring
Material: Nitrile (NBR, BUNA-N)   
Part Number: OR-12800-300-N70 (PK-5)
Out of Stock | Backorder Now | Orders can be expected around Fri, Feb 06, 2026
Regular price $37.32 AUD
Regular price Sale price $37.32 AUD
Priced, Stocked and Sold Per 5 Units
Excludes GST and overseas Taxes & Duties
Quantity Required

Backorder: Out of Stock.
General Purpose O-Rings - 128x3 mm - Black Nitrile Rubber Packs - Nitrile NBR, BUNA-N O-Ring
Inside Diameter (ID)
128.00
mm

(Equiv. 5.039 in.)
Section (t)
3.00
mm

(Equiv. 0.118 in.)
Colour
Black

Hardness
Duro 70
General Purpose O-Rings - 128x3 mm - Black Nitrile Rubber - Nitrile NBR, BUNA-N O-Ring
Material: Nitrile (NBR, BUNA-N)   
Part Number: OR-12800-300-N70 (PK-5)
Out of Stock | Backorder Now | Orders can be expected around Fri, Feb 06, 2026
Regular price $37.32 AUD
Regular price Sale price $37.32 AUD
Priced, Stocked and Sold Per 5 Units
Excludes GST and overseas Taxes & Duties
Quantity Required

Backorder: Out of Stock.
General Purpose O-Rings - 128x3.5 mm - Black Nitrile Rubber Packs - Nitrile NBR, BUNA-N O-Ring
Inside Diameter (ID)
128.00
mm

(Equiv. 5.039 in.)
Section (t)
3.50
mm

(Equiv. 0.138 in.)
Colour
Black

Hardness
Duro 70
General Purpose O-Rings - 128x3.5 mm - Black Nitrile Rubber - Nitrile NBR, BUNA-N O-Ring
Material: Nitrile (NBR, BUNA-N)   
Part Number: OR-12800-350-N70 (PK-200)
Out of Stock | Backorder Now | Orders can be expected around Fri, Feb 27, 2026
Regular price $842.50 AUD
Regular price Sale price $842.50 AUD
Priced, Stocked and Sold Per 200 Units
Excludes GST and overseas Taxes & Duties
Quantity Required

Backorder: Out of Stock.
General Purpose O-Rings - 128x3.5 mm - Black Nitrile Rubber Packs - Nitrile NBR, BUNA-N O-Ring
Inside Diameter (ID)
128.00
mm

(Equiv. 5.039 in.)
Section (t)
3.50
mm

(Equiv. 0.138 in.)
Colour
Black

Hardness
Duro 70
General Purpose O-Rings - 128x3.5 mm - Black Nitrile Rubber - Nitrile NBR, BUNA-N O-Ring
Material: Nitrile (NBR, BUNA-N)   
Part Number: OR-12800-350-N70 (PK-200)
Out of Stock | Backorder Now | Orders can be expected around Fri, Feb 27, 2026
Regular price $842.50 AUD
Regular price Sale price $842.50 AUD
Priced, Stocked and Sold Per 200 Units
Excludes GST and overseas Taxes & Duties
Quantity Required

Backorder: Out of Stock.
General Purpose O-Rings - 128x3.55 mm - Black Nitrile Rubber Packs - Nitrile NBR, BUNA-N O-Ring
Inside Diameter (ID)
128.00
mm

(Equiv. 5.039 in.)
Section (t)
3.55
mm

(Equiv. 0.14 in.)
Colour
Black

Hardness
Duro 70
General Purpose O-Rings - 128x3.55 mm - Black Nitrile Rubber - Nitrile NBR, BUNA-N O-Ring
Material: Nitrile (NBR, BUNA-N)   
Part Number: OR-12800-355-N70 (PK-80)
Out of Stock | Backorder Now | Orders can be expected around Fri, Feb 27, 2026
Regular price $564.95 AUD
Regular price Sale price $564.95 AUD
Priced, Stocked and Sold Per 80 Units
Excludes GST and overseas Taxes & Duties
Quantity Required

Backorder: Out of Stock.
General Purpose O-Rings - 128x3.55 mm - Black Nitrile Rubber Packs - Nitrile NBR, BUNA-N O-Ring
Inside Diameter (ID)
128.00
mm

(Equiv. 5.039 in.)
Section (t)
3.55
mm

(Equiv. 0.14 in.)
Colour
Black

Hardness
Duro 70
General Purpose O-Rings - 128x3.55 mm - Black Nitrile Rubber - Nitrile NBR, BUNA-N O-Ring
Material: Nitrile (NBR, BUNA-N)   
Part Number: OR-12800-355-N70 (PK-80)
Out of Stock | Backorder Now | Orders can be expected around Fri, Feb 27, 2026
Regular price $564.95 AUD
Regular price Sale price $564.95 AUD
Priced, Stocked and Sold Per 80 Units
Excludes GST and overseas Taxes & Duties
Quantity Required

Backorder: Out of Stock.
General Purpose O-Rings - 128x4 mm - Black Nitrile Rubber Packs - Nitrile NBR, BUNA-N O-Ring
Inside Diameter (ID)
128.00
mm

(Equiv. 5.039 in.)
Section (t)
4.00
mm

(Equiv. 0.157 in.)
Colour
Black

Hardness
Duro 70
General Purpose O-Rings - 128x4 mm - Black Nitrile Rubber - Nitrile NBR, BUNA-N O-Ring
Material: Nitrile (NBR, BUNA-N)   
Part Number: OR-12800-400-N70 (PK-100)
Contact Us | Special Order Only - Please contact us if you need a large quantity
General Purpose O-Rings - 128x4 mm - Black Nitrile Rubber Packs - Nitrile NBR, BUNA-N O-Ring
Inside Diameter (ID)
128.00
mm

(Equiv. 5.039 in.)
Section (t)
4.00
mm

(Equiv. 0.157 in.)
Colour
Black

Hardness
Duro 70
General Purpose O-Rings - 128x4 mm - Black Nitrile Rubber - Nitrile NBR, BUNA-N O-Ring
Material: Nitrile (NBR, BUNA-N)   
Part Number: OR-12800-400-N70 (PK-100)
Contact Us | Special Order Only - Please contact us if you need a large quantity | Orders can be expected around Sat, Sep 23, 2028
General Purpose O-Rings - 128x4.5 mm - Black Nitrile Rubber Packs - Nitrile NBR, BUNA-N O-Ring
Inside Diameter (ID)
128.00
mm

(Equiv. 5.039 in.)
Section (t)
4.50
mm

(Equiv. 0.177 in.)
Colour
Black

Hardness
Duro 70
General Purpose O-Rings - 128x4.5 mm - Black Nitrile Rubber - Nitrile NBR, BUNA-N O-Ring
Material: Nitrile (NBR, BUNA-N)   
Part Number: OR-12800-450-N70 (PK-100)
Contact Us | Special Order Only - Please contact us if you need a large quantity
General Purpose O-Rings - 128x4.5 mm - Black Nitrile Rubber Packs - Nitrile NBR, BUNA-N O-Ring
Inside Diameter (ID)
128.00
mm

(Equiv. 5.039 in.)
Section (t)
4.50
mm

(Equiv. 0.177 in.)
Colour
Black

Hardness
Duro 70
General Purpose O-Rings - 128x4.5 mm - Black Nitrile Rubber - Nitrile NBR, BUNA-N O-Ring
Material: Nitrile (NBR, BUNA-N)   
Part Number: OR-12800-450-N70 (PK-100)
Contact Us | Special Order Only - Please contact us if you need a large quantity | Orders can be expected around Sat, Sep 23, 2028
General Purpose O-Rings - 128x5 mm - Black Nitrile Rubber Packs - Nitrile NBR, BUNA-N O-Ring
Inside Diameter (ID)
128.00
mm

(Equiv. 5.039 in.)
Section (t)
5.00
mm

(Equiv. 0.197 in.)
Colour
Black

Hardness
Duro 70
General Purpose O-Rings - 128x5 mm - Black Nitrile Rubber - Nitrile NBR, BUNA-N O-Ring
Material: Nitrile (NBR, BUNA-N)   
Part Number: OR-12800-500-N70 (PK-100)
Contact Us | Special Order Only - Please contact us if you need a large quantity
General Purpose O-Rings - 128x5 mm - Black Nitrile Rubber Packs - Nitrile NBR, BUNA-N O-Ring
Inside Diameter (ID)
128.00
mm

(Equiv. 5.039 in.)
Section (t)
5.00
mm

(Equiv. 0.197 in.)
Colour
Black

Hardness
Duro 70
General Purpose O-Rings - 128x5 mm - Black Nitrile Rubber - Nitrile NBR, BUNA-N O-Ring
Material: Nitrile (NBR, BUNA-N)   
Part Number: OR-12800-500-N70 (PK-100)
Contact Us | Special Order Only - Please contact us if you need a large quantity | Orders can be expected around Sat, Sep 23, 2028
General Purpose O-Rings - 128x6 mm - Black Nitrile Rubber Packs - Nitrile NBR, BUNA-N O-Ring
Inside Diameter (ID)
128.00
mm

(Equiv. 5.039 in.)
Section (t)
6.00
mm

(Equiv. 0.236 in.)
Colour
Black

Hardness
Duro 70
General Purpose O-Rings - 128x6 mm - Black Nitrile Rubber - Nitrile NBR, BUNA-N O-Ring
Material: Nitrile (NBR, BUNA-N)   
Part Number: OR-12800-600-N70 (PK-40)
Out of Stock | Backorder Now | Orders can be expected around Fri, Feb 27, 2026
Regular price $640.95 AUD
Regular price Sale price $640.95 AUD
Priced, Stocked and Sold Per 40 Units
Excludes GST and overseas Taxes & Duties
Quantity Required

Backorder: Out of Stock.
General Purpose O-Rings - 128x6 mm - Black Nitrile Rubber Packs - Nitrile NBR, BUNA-N O-Ring
Inside Diameter (ID)
128.00
mm

(Equiv. 5.039 in.)
Section (t)
6.00
mm

(Equiv. 0.236 in.)
Colour
Black

Hardness
Duro 70
General Purpose O-Rings - 128x6 mm - Black Nitrile Rubber - Nitrile NBR, BUNA-N O-Ring
Material: Nitrile (NBR, BUNA-N)   
Part Number: OR-12800-600-N70 (PK-40)
Out of Stock | Backorder Now | Orders can be expected around Fri, Feb 27, 2026
Regular price $640.95 AUD
Regular price Sale price $640.95 AUD
Priced, Stocked and Sold Per 40 Units
Excludes GST and overseas Taxes & Duties
Quantity Required

Backorder: Out of Stock.
General Purpose O-Rings - 129x2.5 mm - Black Nitrile Rubber Packs - Nitrile NBR, BUNA-N O-Ring
Inside Diameter (ID)
129.00
mm

(Equiv. 5.079 in.)
Section (t)
2.50
mm

(Equiv. 0.098 in.)
Colour
Black

Hardness
Duro 70
General Purpose O-Rings - 129x2.5 mm - Black Nitrile Rubber - Nitrile NBR, BUNA-N O-Ring
Material: Nitrile (NBR, BUNA-N)   
Part Number: OR-12900-250-N70 (PK-100)
Contact Us | Special Order Only - Please contact us if you need a large quantity
General Purpose O-Rings - 129x2.5 mm - Black Nitrile Rubber Packs - Nitrile NBR, BUNA-N O-Ring
Inside Diameter (ID)
129.00
mm

(Equiv. 5.079 in.)
Section (t)
2.50
mm

(Equiv. 0.098 in.)
Colour
Black

Hardness
Duro 70
General Purpose O-Rings - 129x2.5 mm - Black Nitrile Rubber - Nitrile NBR, BUNA-N O-Ring
Material: Nitrile (NBR, BUNA-N)   
Part Number: OR-12900-250-N70 (PK-100)
Contact Us | Special Order Only - Please contact us if you need a large quantity | Orders can be expected around Sat, Sep 23, 2028
General Purpose O-Rings - 129x3 mm - Black Nitrile Rubber Packs - Nitrile NBR, BUNA-N O-Ring
Inside Diameter (ID)
129.00
mm

(Equiv. 5.079 in.)
Section (t)
3.00
mm

(Equiv. 0.118 in.)
Colour
Black

Hardness
Duro 70
General Purpose O-Rings - 129x3 mm - Black Nitrile Rubber - Nitrile NBR, BUNA-N O-Ring
Material: Nitrile (NBR, BUNA-N)   
Part Number: OR-12900-300-N70 (PK-100)
Contact Us | Special Order Only - Please contact us if you need a large quantity
General Purpose O-Rings - 129x3 mm - Black Nitrile Rubber Packs - Nitrile NBR, BUNA-N O-Ring
Inside Diameter (ID)
129.00
mm

(Equiv. 5.079 in.)
Section (t)
3.00
mm

(Equiv. 0.118 in.)
Colour
Black

Hardness
Duro 70
General Purpose O-Rings - 129x3 mm - Black Nitrile Rubber - Nitrile NBR, BUNA-N O-Ring
Material: Nitrile (NBR, BUNA-N)   
Part Number: OR-12900-300-N70 (PK-100)
Contact Us | Special Order Only - Please contact us if you need a large quantity | Orders can be expected around Sat, Sep 23, 2028
General Purpose O-Rings - 129x3.5 mm - Black Nitrile Rubber Packs - Nitrile NBR, BUNA-N O-Ring
Inside Diameter (ID)
129.00
mm

(Equiv. 5.079 in.)
Section (t)
3.50
mm

(Equiv. 0.138 in.)
Colour
Black

Hardness
Duro 70
General Purpose O-Rings - 129x3.5 mm - Black Nitrile Rubber - Nitrile NBR, BUNA-N O-Ring
Material: Nitrile (NBR, BUNA-N)   
Part Number: OR-12900-350-N70 (PK-100)
Contact Us | Special Order Only - Please contact us if you need a large quantity
General Purpose O-Rings - 129x3.5 mm - Black Nitrile Rubber Packs - Nitrile NBR, BUNA-N O-Ring
Inside Diameter (ID)
129.00
mm

(Equiv. 5.079 in.)
Section (t)
3.50
mm

(Equiv. 0.138 in.)
Colour
Black

Hardness
Duro 70
General Purpose O-Rings - 129x3.5 mm - Black Nitrile Rubber - Nitrile NBR, BUNA-N O-Ring
Material: Nitrile (NBR, BUNA-N)   
Part Number: OR-12900-350-N70 (PK-100)
Contact Us | Special Order Only - Please contact us if you need a large quantity | Orders can be expected around Sat, Sep 23, 2028
General Purpose O-Rings - 129x4 mm - Black Nitrile Rubber Packs - Nitrile NBR, BUNA-N O-Ring
Inside Diameter (ID)
129.00
mm

(Equiv. 5.079 in.)
Section (t)
4.00
mm

(Equiv. 0.157 in.)
Colour
Black

Hardness
Duro 70
General Purpose O-Rings - 129x4 mm - Black Nitrile Rubber - Nitrile NBR, BUNA-N O-Ring
Material: Nitrile (NBR, BUNA-N)   
Part Number: OR-12900-400-N70 (PK-100)
Contact Us | Special Order Only - Please contact us if you need a large quantity
General Purpose O-Rings - 129x4 mm - Black Nitrile Rubber Packs - Nitrile NBR, BUNA-N O-Ring
Inside Diameter (ID)
129.00
mm

(Equiv. 5.079 in.)
Section (t)
4.00
mm

(Equiv. 0.157 in.)
Colour
Black

Hardness
Duro 70
General Purpose O-Rings - 129x4 mm - Black Nitrile Rubber - Nitrile NBR, BUNA-N O-Ring
Material: Nitrile (NBR, BUNA-N)   
Part Number: OR-12900-400-N70 (PK-100)
Contact Us | Special Order Only - Please contact us if you need a large quantity | Orders can be expected around Sat, Sep 23, 2028
General Purpose O-Rings - 129x5 mm - Black Nitrile Rubber Packs - Nitrile NBR, BUNA-N O-Ring
Inside Diameter (ID)
129.00
mm

(Equiv. 5.079 in.)
Section (t)
5.00
mm

(Equiv. 0.197 in.)
Colour
Black

Hardness
Duro 70
General Purpose O-Rings - 129x5 mm - Black Nitrile Rubber - Nitrile NBR, BUNA-N O-Ring
Material: Nitrile (NBR, BUNA-N)   
Part Number: OR-12900-500-N70 (PK-100)
Contact Us | Special Order Only - Please contact us if you need a large quantity
General Purpose O-Rings - 129x5 mm - Black Nitrile Rubber Packs - Nitrile NBR, BUNA-N O-Ring
Inside Diameter (ID)
129.00
mm

(Equiv. 5.079 in.)
Section (t)
5.00
mm

(Equiv. 0.197 in.)
Colour
Black

Hardness
Duro 70
General Purpose O-Rings - 129x5 mm - Black Nitrile Rubber - Nitrile NBR, BUNA-N O-Ring
Material: Nitrile (NBR, BUNA-N)   
Part Number: OR-12900-500-N70 (PK-100)
Contact Us | Special Order Only - Please contact us if you need a large quantity | Orders can be expected around Sat, Sep 23, 2028
General Purpose O-Rings - 129.3x5.7 mm - Black Nitrile Rubber Packs - Nitrile NBR, BUNA-N O-Ring
Inside Diameter (ID)
129.30
mm

(Equiv. 5.091 in.)
Section (t)
5.70
mm

(Equiv. 0.224 in.)
Colour
Black

Hardness
Duro 70
General Purpose O-Rings - 129.3x5.7 mm - Black Nitrile Rubber - Nitrile NBR, BUNA-N O-Ring
Material: Nitrile (NBR, BUNA-N)   
Part Number: OR-12930-570-N70 (PK-100)
Contact Us | Special Order Only - Please contact us if you need a large quantity
General Purpose O-Rings - 129.3x5.7 mm - Black Nitrile Rubber Packs - Nitrile NBR, BUNA-N O-Ring
Inside Diameter (ID)
129.30
mm

(Equiv. 5.091 in.)
Section (t)
5.70
mm

(Equiv. 0.224 in.)
Colour
Black

Hardness
Duro 70
General Purpose O-Rings - 129.3x5.7 mm - Black Nitrile Rubber - Nitrile NBR, BUNA-N O-Ring
Material: Nitrile (NBR, BUNA-N)   
Part Number: OR-12930-570-N70 (PK-100)
Contact Us | Special Order Only - Please contact us if you need a large quantity | Orders can be expected around Sat, Sep 23, 2028
General Purpose O-Rings - 129.4x1.78 mm - Black Nitrile Rubber Packs - Nitrile NBR, BUNA-N O-Ring
Inside Diameter (ID)
129.40
mm

(Equiv. 5.094 in.)
Section (t)
1.78
mm

(Equiv. 0.07 in.)
Colour
Black

Hardness
Duro 70
General Purpose O-Rings - 129.4x1.78 mm - Black Nitrile Rubber - Nitrile NBR, BUNA-N O-Ring
Material: Nitrile (NBR, BUNA-N)   
Part Number: OR-12940-178-N70-548 (PK-30)
Out of Stock | Backorder Now | Orders can be expected around Fri, Feb 27, 2026
Regular price $135.14 AUD
Regular price Sale price $135.14 AUD
Priced, Stocked and Sold Per 30 Units
Excludes GST and overseas Taxes & Duties
Quantity Required

Backorder: Out of Stock.
General Purpose O-Rings - 129.4x1.78 mm - Black Nitrile Rubber Packs - Nitrile NBR, BUNA-N O-Ring
Inside Diameter (ID)
129.40
mm

(Equiv. 5.094 in.)
Section (t)
1.78
mm

(Equiv. 0.07 in.)
Colour
Black

Hardness
Duro 70
General Purpose O-Rings - 129.4x1.78 mm - Black Nitrile Rubber - Nitrile NBR, BUNA-N O-Ring
Material: Nitrile (NBR, BUNA-N)   
Part Number: OR-12940-178-N70-548 (PK-30)
Out of Stock | Backorder Now | Orders can be expected around Fri, Feb 27, 2026
Regular price $135.14 AUD
Regular price Sale price $135.14 AUD
Priced, Stocked and Sold Per 30 Units
Excludes GST and overseas Taxes & Duties
Quantity Required

Backorder: Out of Stock.
General Purpose O-Rings - 129.5x3 mm - Black Nitrile Rubber Packs - Nitrile NBR, BUNA-N O-Ring
Inside Diameter (ID)
129.50
mm

(Equiv. 5.098 in.)
Section (t)
3.00
mm

(Equiv. 0.118 in.)
Colour
Black

Hardness
Duro 70
General Purpose O-Rings - 129.5x3 mm - Black Nitrile Rubber - Nitrile NBR, BUNA-N O-Ring
Material: Nitrile (NBR, BUNA-N)   
Part Number: OR-12950-300-N70 (PK-100)
Contact Us | Special Order Only - Please contact us if you need a large quantity
General Purpose O-Rings - 129.5x3 mm - Black Nitrile Rubber Packs - Nitrile NBR, BUNA-N O-Ring
Inside Diameter (ID)
129.50
mm

(Equiv. 5.098 in.)
Section (t)
3.00
mm

(Equiv. 0.118 in.)
Colour
Black

Hardness
Duro 70
General Purpose O-Rings - 129.5x3 mm - Black Nitrile Rubber - Nitrile NBR, BUNA-N O-Ring
Material: Nitrile (NBR, BUNA-N)   
Part Number: OR-12950-300-N70 (PK-100)
Contact Us | Special Order Only - Please contact us if you need a large quantity | Orders can be expected around Sat, Sep 23, 2028
General Purpose O-Rings - 129.54x5.33 mm - Black Nitrile Rubber Packs - Nitrile NBR, BUNA-N O-Ring
Inside Diameter (ID)
129.54
mm

(Equiv. 5.1 in.)
Section (t)
5.33
mm

(Equiv. 0.21 in.)
Colour
Black

Hardness
Duro 70
General Purpose O-Rings - 129.54x5.33 mm - Black Nitrile Rubber - Nitrile NBR, BUNA-N O-Ring
Material: Nitrile (NBR, BUNA-N)   
Part Number: OR-12954-533-N70-354 (PK-5)
Out of Stock | Backorder Now | Orders can be expected around Fri, Feb 06, 2026
Regular price $28.77 AUD
Regular price Sale price $28.77 AUD
Priced, Stocked and Sold Per 5 Units
Excludes GST and overseas Taxes & Duties
Quantity Required

Backorder: Out of Stock.
General Purpose O-Rings - 129.54x5.33 mm - Black Nitrile Rubber Packs - Nitrile NBR, BUNA-N O-Ring
Inside Diameter (ID)
129.54
mm

(Equiv. 5.1 in.)
Section (t)
5.33
mm

(Equiv. 0.21 in.)
Colour
Black

Hardness
Duro 70
General Purpose O-Rings - 129.54x5.33 mm - Black Nitrile Rubber - Nitrile NBR, BUNA-N O-Ring
Material: Nitrile (NBR, BUNA-N)   
Part Number: OR-12954-533-N70-354 (PK-5)
Out of Stock | Backorder Now | Orders can be expected around Fri, Feb 06, 2026
Regular price $28.77 AUD
Regular price Sale price $28.77 AUD
Priced, Stocked and Sold Per 5 Units
Excludes GST and overseas Taxes & Duties
Quantity Required

Backorder: Out of Stock.
General Purpose O-Rings - 129.54x5.33 mm - Black Nitrile Rubber Packs - Nitrile NBR, BUNA-N O-Ring
Inside Diameter (ID)
129.54
mm

(Equiv. 5.1 in.)
Section (t)
5.33
mm

(Equiv. 0.21 in.)
Colour
Black

Hardness
Duro 90
General Purpose O-Rings - 129.54x5.33 mm - Black Nitrile Rubber - Nitrile NBR, BUNA-N O-Ring
Material: Nitrile (NBR, BUNA-N)   
Part Number: OR-12954-533-N90-354 (PK-30)
Out of Stock | Backorder Now | Orders can be expected around Fri, Feb 27, 2026
Regular price $303.32 AUD
Regular price Sale price $303.32 AUD
Priced, Stocked and Sold Per 30 Units
Excludes GST and overseas Taxes & Duties
Quantity Required

Backorder: Out of Stock.
General Purpose O-Rings - 129.54x5.33 mm - Black Nitrile Rubber Packs - Nitrile NBR, BUNA-N O-Ring
Inside Diameter (ID)
129.54
mm

(Equiv. 5.1 in.)
Section (t)
5.33
mm

(Equiv. 0.21 in.)
Colour
Black

Hardness
Duro 90
General Purpose O-Rings - 129.54x5.33 mm - Black Nitrile Rubber - Nitrile NBR, BUNA-N O-Ring
Material: Nitrile (NBR, BUNA-N)   
Part Number: OR-12954-533-N90-354 (PK-30)
Out of Stock | Backorder Now | Orders can be expected around Fri, Feb 27, 2026
Regular price $303.32 AUD
Regular price Sale price $303.32 AUD
Priced, Stocked and Sold Per 30 Units
Excludes GST and overseas Taxes & Duties
Quantity Required

Backorder: Out of Stock.