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 - 284x6 mm - Black Nitrile Rubber Bulk - Nitrile NBR, BUNA-N O-Ring
Inside Diameter (ID)
284.00
mm

(Equiv. 11.181 in.)
Section (t)
6.00
mm

(Equiv. 0.236 in.)
Colour
Black

Hardness
Duro 70
General Purpose O-Rings - 284x6 mm - Black Nitrile Rubber Bulk - Nitrile NBR, BUNA-N O-Ring
Material: Nitrile (NBR, BUNA-N)   
Part Number: ORB-28400-600-N70 (Each)
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 - 284x6 mm - Black Nitrile Rubber Bulk - Nitrile NBR, BUNA-N O-Ring
Inside Diameter (ID)
284.00
mm

(Equiv. 11.181 in.)
Section (t)
6.00
mm

(Equiv. 0.236 in.)
Colour
Black

Hardness
Duro 70
General Purpose O-Rings - 284x6 mm - Black Nitrile Rubber Bulk - Nitrile NBR, BUNA-N O-Ring
Material: Nitrile (NBR, BUNA-N)   
Part Number: ORB-28400-600-N70 (Each)
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 - 285x3.5 mm - Black Nitrile Rubber Bulk - Nitrile NBR, BUNA-N O-Ring
Inside Diameter (ID)
285.00
mm

(Equiv. 11.22 in.)
Section (t)
3.50
mm

(Equiv. 0.138 in.)
Colour
Black

Hardness
Duro 70
General Purpose O-Rings - 285x3.5 mm - Black Nitrile Rubber Bulk - Nitrile NBR, BUNA-N O-Ring
Material: Nitrile (NBR, BUNA-N)   
Part Number: ORB-28500-350-N70 (Each)
Contact Us | Special Order Only - Please contact us if you need a large quantity
General Purpose O-Rings - 285x3.5 mm - Black Nitrile Rubber Bulk - Nitrile NBR, BUNA-N O-Ring
Inside Diameter (ID)
285.00
mm

(Equiv. 11.22 in.)
Section (t)
3.50
mm

(Equiv. 0.138 in.)
Colour
Black

Hardness
Duro 70
General Purpose O-Rings - 285x3.5 mm - Black Nitrile Rubber Bulk - Nitrile NBR, BUNA-N O-Ring
Material: Nitrile (NBR, BUNA-N)   
Part Number: ORB-28500-350-N70 (Each)
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 - 285x4 mm - Black Nitrile Rubber Bulk - Nitrile NBR, BUNA-N O-Ring
Inside Diameter (ID)
285.00
mm

(Equiv. 11.22 in.)
Section (t)
4.00
mm

(Equiv. 0.157 in.)
Colour
Black

Hardness
Duro 70
General Purpose O-Rings - 285x4 mm - Black Nitrile Rubber Bulk - Nitrile NBR, BUNA-N O-Ring
Material: Nitrile (NBR, BUNA-N)   
Part Number: ORB-28500-400-N70 (PK-100)
Out of Stock | Backorder Now | Orders can be expected around Wed, Feb 25, 2026
Regular price $885.32 AUD
Regular price Sale price $885.32 AUD
Priced, Stocked and Sold Per 100 Units
Excludes GST and overseas Taxes & Duties
Quantity Required

Backorder: Out of Stock.
General Purpose O-Rings - 285x4 mm - Black Nitrile Rubber Bulk - Nitrile NBR, BUNA-N O-Ring
Inside Diameter (ID)
285.00
mm

(Equiv. 11.22 in.)
Section (t)
4.00
mm

(Equiv. 0.157 in.)
Colour
Black

Hardness
Duro 70
General Purpose O-Rings - 285x4 mm - Black Nitrile Rubber Bulk - Nitrile NBR, BUNA-N O-Ring
Material: Nitrile (NBR, BUNA-N)   
Part Number: ORB-28500-400-N70 (PK-100)
Out of Stock | Backorder Now | Orders can be expected around Wed, Feb 25, 2026
Regular price $885.32 AUD
Regular price Sale price $885.32 AUD
Priced, Stocked and Sold Per 100 Units
Excludes GST and overseas Taxes & Duties
Quantity Required

Backorder: Out of Stock.
General Purpose O-Rings - 285x5 mm - Black Nitrile Rubber Bulk - Nitrile NBR, BUNA-N O-Ring
Inside Diameter (ID)
285.00
mm

(Equiv. 11.22 in.)
Section (t)
5.00
mm

(Equiv. 0.197 in.)
Colour
Black

Hardness
Duro 70
General Purpose O-Rings - 285x5 mm - Black Nitrile Rubber Bulk - Nitrile NBR, BUNA-N O-Ring
Material: Nitrile (NBR, BUNA-N)   
Part Number: ORB-28500-500-N70 (PK-100)
Out of Stock | Backorder Now | Orders can be expected around Wed, Feb 25, 2026
Regular price $947.86 AUD
Regular price Sale price $947.86 AUD
Priced, Stocked and Sold Per 100 Units
Excludes GST and overseas Taxes & Duties
Quantity Required

Backorder: Out of Stock.
General Purpose O-Rings - 285x5 mm - Black Nitrile Rubber Bulk - Nitrile NBR, BUNA-N O-Ring
Inside Diameter (ID)
285.00
mm

(Equiv. 11.22 in.)
Section (t)
5.00
mm

(Equiv. 0.197 in.)
Colour
Black

Hardness
Duro 70
General Purpose O-Rings - 285x5 mm - Black Nitrile Rubber Bulk - Nitrile NBR, BUNA-N O-Ring
Material: Nitrile (NBR, BUNA-N)   
Part Number: ORB-28500-500-N70 (PK-100)
Out of Stock | Backorder Now | Orders can be expected around Wed, Feb 25, 2026
Regular price $947.86 AUD
Regular price Sale price $947.86 AUD
Priced, Stocked and Sold Per 100 Units
Excludes GST and overseas Taxes & Duties
Quantity Required

Backorder: Out of Stock.
General Purpose O-Rings - 285x6 mm - Black Nitrile Rubber Bulk - Nitrile NBR, BUNA-N O-Ring
Inside Diameter (ID)
285.00
mm

(Equiv. 11.22 in.)
Section (t)
6.00
mm

(Equiv. 0.236 in.)
Colour
Black

Hardness
Duro 70
General Purpose O-Rings - 285x6 mm - Black Nitrile Rubber Bulk - Nitrile NBR, BUNA-N O-Ring
Material: Nitrile (NBR, BUNA-N)   
Part Number: ORB-28500-600-N70 (Each)
Contact Us | Special Order Only - Please contact us if you need a large quantity
General Purpose O-Rings - 285x6 mm - Black Nitrile Rubber Bulk - Nitrile NBR, BUNA-N O-Ring
Inside Diameter (ID)
285.00
mm

(Equiv. 11.22 in.)
Section (t)
6.00
mm

(Equiv. 0.236 in.)
Colour
Black

Hardness
Duro 70
General Purpose O-Rings - 285x6 mm - Black Nitrile Rubber Bulk - Nitrile NBR, BUNA-N O-Ring
Material: Nitrile (NBR, BUNA-N)   
Part Number: ORB-28500-600-N70 (Each)
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 - 285.1x6.99 mm - Black Nitrile Rubber Bulk - Nitrile NBR, BUNA-N O-Ring
Inside Diameter (ID)
285.10
mm

(Equiv. 11.224 in.)
Section (t)
6.99
mm

(Equiv. 0.275 in.)
Colour
Black

Hardness
Duro 70
General Purpose O-Rings - 285.1x6.99 mm - Black Nitrile Rubber Bulk - Nitrile NBR, BUNA-N O-Ring
Material: Nitrile (NBR, BUNA-N)   
Part Number: ORB-28510-699-N70-686 (PK-90)
Out of Stock | Backorder Now | Orders can be expected around Wed, Feb 25, 2026
Regular price $1,659.50 AUD
Regular price Sale price $1,659.50 AUD
Priced, Stocked and Sold Per 90 Units
Excludes GST and overseas Taxes & Duties
Quantity Required

Backorder: Out of Stock.
General Purpose O-Rings - 285.1x6.99 mm - Black Nitrile Rubber Bulk - Nitrile NBR, BUNA-N O-Ring
Inside Diameter (ID)
285.10
mm

(Equiv. 11.224 in.)
Section (t)
6.99
mm

(Equiv. 0.275 in.)
Colour
Black

Hardness
Duro 70
General Purpose O-Rings - 285.1x6.99 mm - Black Nitrile Rubber Bulk - Nitrile NBR, BUNA-N O-Ring
Material: Nitrile (NBR, BUNA-N)   
Part Number: ORB-28510-699-N70-686 (PK-90)
Out of Stock | Backorder Now | Orders can be expected around Wed, Feb 25, 2026
Regular price $1,659.50 AUD
Regular price Sale price $1,659.50 AUD
Priced, Stocked and Sold Per 90 Units
Excludes GST and overseas Taxes & Duties
Quantity Required

Backorder: Out of Stock.
General Purpose O-Rings - 286x3.5 mm - Black Nitrile Rubber Bulk - Nitrile NBR, BUNA-N O-Ring
Inside Diameter (ID)
286.00
mm

(Equiv. 11.26 in.)
Section (t)
3.50
mm

(Equiv. 0.138 in.)
Colour
Black

Hardness
Duro 70
General Purpose O-Rings - 286x3.5 mm - Black Nitrile Rubber Bulk - Nitrile NBR, BUNA-N O-Ring
Material: Nitrile (NBR, BUNA-N)   
Part Number: ORB-28600-350-N70 (Each)
Contact Us | Special Order Only - Please contact us if you need a large quantity
General Purpose O-Rings - 286x3.5 mm - Black Nitrile Rubber Bulk - Nitrile NBR, BUNA-N O-Ring
Inside Diameter (ID)
286.00
mm

(Equiv. 11.26 in.)
Section (t)
3.50
mm

(Equiv. 0.138 in.)
Colour
Black

Hardness
Duro 70
General Purpose O-Rings - 286x3.5 mm - Black Nitrile Rubber Bulk - Nitrile NBR, BUNA-N O-Ring
Material: Nitrile (NBR, BUNA-N)   
Part Number: ORB-28600-350-N70 (Each)
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 - 286x4 mm - Black Nitrile Rubber Bulk - Nitrile NBR, BUNA-N O-Ring
Inside Diameter (ID)
286.00
mm

(Equiv. 11.26 in.)
Section (t)
4.00
mm

(Equiv. 0.157 in.)
Colour
Black

Hardness
Duro 70
General Purpose O-Rings - 286x4 mm - Black Nitrile Rubber Bulk - Nitrile NBR, BUNA-N O-Ring
Material: Nitrile (NBR, BUNA-N)   
Part Number: ORB-28600-400-N70 (Each)
Contact Us | Special Order Only - Please contact us if you need a large quantity
General Purpose O-Rings - 286x4 mm - Black Nitrile Rubber Bulk - Nitrile NBR, BUNA-N O-Ring
Inside Diameter (ID)
286.00
mm

(Equiv. 11.26 in.)
Section (t)
4.00
mm

(Equiv. 0.157 in.)
Colour
Black

Hardness
Duro 70
General Purpose O-Rings - 286x4 mm - Black Nitrile Rubber Bulk - Nitrile NBR, BUNA-N O-Ring
Material: Nitrile (NBR, BUNA-N)   
Part Number: ORB-28600-400-N70 (Each)
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 - 286x5 mm - Black Nitrile Rubber Bulk - Nitrile NBR, BUNA-N O-Ring
Inside Diameter (ID)
286.00
mm

(Equiv. 11.26 in.)
Section (t)
5.00
mm

(Equiv. 0.197 in.)
Colour
Black

Hardness
Duro 70
General Purpose O-Rings - 286x5 mm - Black Nitrile Rubber Bulk - Nitrile NBR, BUNA-N O-Ring
Material: Nitrile (NBR, BUNA-N)   
Part Number: ORB-28600-500-N70 (Each)
Contact Us | Special Order Only - Please contact us if you need a large quantity
General Purpose O-Rings - 286x5 mm - Black Nitrile Rubber Bulk - Nitrile NBR, BUNA-N O-Ring
Inside Diameter (ID)
286.00
mm

(Equiv. 11.26 in.)
Section (t)
5.00
mm

(Equiv. 0.197 in.)
Colour
Black

Hardness
Duro 70
General Purpose O-Rings - 286x5 mm - Black Nitrile Rubber Bulk - Nitrile NBR, BUNA-N O-Ring
Material: Nitrile (NBR, BUNA-N)   
Part Number: ORB-28600-500-N70 (Each)
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 - 287x3.5 mm - Black Nitrile Rubber Bulk - Nitrile NBR, BUNA-N O-Ring
Inside Diameter (ID)
287.00
mm

(Equiv. 11.299 in.)
Section (t)
3.50
mm

(Equiv. 0.138 in.)
Colour
Black

Hardness
Duro 70
General Purpose O-Rings - 287x3.5 mm - Black Nitrile Rubber Bulk - Nitrile NBR, BUNA-N O-Ring
Material: Nitrile (NBR, BUNA-N)   
Part Number: ORB-28700-350-N70 (Each)
Contact Us | Special Order Only - Please contact us if you need a large quantity
General Purpose O-Rings - 287x3.5 mm - Black Nitrile Rubber Bulk - Nitrile NBR, BUNA-N O-Ring
Inside Diameter (ID)
287.00
mm

(Equiv. 11.299 in.)
Section (t)
3.50
mm

(Equiv. 0.138 in.)
Colour
Black

Hardness
Duro 70
General Purpose O-Rings - 287x3.5 mm - Black Nitrile Rubber Bulk - Nitrile NBR, BUNA-N O-Ring
Material: Nitrile (NBR, BUNA-N)   
Part Number: ORB-28700-350-N70 (Each)
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 - 287x5 mm - Black Nitrile Rubber Bulk - Nitrile NBR, BUNA-N O-Ring
Inside Diameter (ID)
287.00
mm

(Equiv. 11.299 in.)
Section (t)
5.00
mm

(Equiv. 0.197 in.)
Colour
Black

Hardness
Duro 70
General Purpose O-Rings - 287x5 mm - Black Nitrile Rubber Bulk - Nitrile NBR, BUNA-N O-Ring
Material: Nitrile (NBR, BUNA-N)   
Part Number: ORB-28700-500-N70 (Each)
Contact Us | Special Order Only - Please contact us if you need a large quantity
General Purpose O-Rings - 287x5 mm - Black Nitrile Rubber Bulk - Nitrile NBR, BUNA-N O-Ring
Inside Diameter (ID)
287.00
mm

(Equiv. 11.299 in.)
Section (t)
5.00
mm

(Equiv. 0.197 in.)
Colour
Black

Hardness
Duro 70
General Purpose O-Rings - 287x5 mm - Black Nitrile Rubber Bulk - Nitrile NBR, BUNA-N O-Ring
Material: Nitrile (NBR, BUNA-N)   
Part Number: ORB-28700-500-N70 (Each)
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 - 287x4 mm - Black Nitrile Rubber Bulk - Nitrile NBR, BUNA-N O-Ring
Inside Diameter (ID)
287.00
mm

(Equiv. 11.299 in.)
Section (t)
4.00
mm

(Equiv. 0.157 in.)
Colour
Black

Hardness
Duro 70
General Purpose O-Rings - 287x4 mm - Black Nitrile Rubber Bulk - Nitrile NBR, BUNA-N O-Ring
Material: Nitrile (NBR, BUNA-N)   
Part Number: ORB-28700-400-N70 (PK-390)
Out of Stock | Backorder Now | Orders can be expected around Wed, Feb 25, 2026
Regular price $829.68 AUD
Regular price $1,536.85 AUD Sale price $829.68 AUD
Priced, Stocked and Sold Per 390 Units
Excludes GST and overseas Taxes & Duties
Quantity Required

Backorder: Out of Stock.
General Purpose O-Rings - 287x4 mm - Black Nitrile Rubber Bulk - Nitrile NBR, BUNA-N O-Ring
Inside Diameter (ID)
287.00
mm

(Equiv. 11.299 in.)
Section (t)
4.00
mm

(Equiv. 0.157 in.)
Colour
Black

Hardness
Duro 70
General Purpose O-Rings - 287x4 mm - Black Nitrile Rubber Bulk - Nitrile NBR, BUNA-N O-Ring
Material: Nitrile (NBR, BUNA-N)   
Part Number: ORB-28700-400-N70 (PK-390)
Out of Stock | Backorder Now | Orders can be expected around Wed, Feb 25, 2026
Regular price $829.68 AUD
Regular price $1,536.85 AUD Sale price $829.68 AUD
Priced, Stocked and Sold Per 390 Units
Excludes GST and overseas Taxes & Duties
Quantity Required

Backorder: Out of Stock.
General Purpose O-Rings - 288x4 mm - Black Nitrile Rubber Bulk - Nitrile NBR, BUNA-N O-Ring
Inside Diameter (ID)
288.00
mm

(Equiv. 11.339 in.)
Section (t)
4.00
mm

(Equiv. 0.157 in.)
Colour
Black

Hardness
Duro 70
General Purpose O-Rings - 288x4 mm - Black Nitrile Rubber Bulk - Nitrile NBR, BUNA-N O-Ring
Material: Nitrile (NBR, BUNA-N)   
Part Number: ORB-28800-400-N70 (Each)
Contact Us | Special Order Only - Please contact us if you need a large quantity
General Purpose O-Rings - 288x4 mm - Black Nitrile Rubber Bulk - Nitrile NBR, BUNA-N O-Ring
Inside Diameter (ID)
288.00
mm

(Equiv. 11.339 in.)
Section (t)
4.00
mm

(Equiv. 0.157 in.)
Colour
Black

Hardness
Duro 70
General Purpose O-Rings - 288x4 mm - Black Nitrile Rubber Bulk - Nitrile NBR, BUNA-N O-Ring
Material: Nitrile (NBR, BUNA-N)   
Part Number: ORB-28800-400-N70 (Each)
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 - 288x3.5 mm - Black Nitrile Rubber Bulk - Nitrile NBR, BUNA-N O-Ring
Inside Diameter (ID)
288.00
mm

(Equiv. 11.339 in.)
Section (t)
3.50
mm

(Equiv. 0.138 in.)
Colour
Black

Hardness
Duro 70
General Purpose O-Rings - 288x3.5 mm - Black Nitrile Rubber Bulk - Nitrile NBR, BUNA-N O-Ring
Material: Nitrile (NBR, BUNA-N)   
Part Number: ORB-28800-350-N70 (PK-430)
Out of Stock | Backorder Now | Orders can be expected around Wed, Feb 25, 2026
Regular price $1,476.68 AUD
Regular price Sale price $1,476.68 AUD
Priced, Stocked and Sold Per 430 Units
Excludes GST and overseas Taxes & Duties
Quantity Required

Backorder: Out of Stock.
General Purpose O-Rings - 288x3.5 mm - Black Nitrile Rubber Bulk - Nitrile NBR, BUNA-N O-Ring
Inside Diameter (ID)
288.00
mm

(Equiv. 11.339 in.)
Section (t)
3.50
mm

(Equiv. 0.138 in.)
Colour
Black

Hardness
Duro 70
General Purpose O-Rings - 288x3.5 mm - Black Nitrile Rubber Bulk - Nitrile NBR, BUNA-N O-Ring
Material: Nitrile (NBR, BUNA-N)   
Part Number: ORB-28800-350-N70 (PK-430)
Out of Stock | Backorder Now | Orders can be expected around Wed, Feb 25, 2026
Regular price $1,476.68 AUD
Regular price Sale price $1,476.68 AUD
Priced, Stocked and Sold Per 430 Units
Excludes GST and overseas Taxes & Duties
Quantity Required

Backorder: Out of Stock.
General Purpose O-Rings - 288x5 mm - Black Nitrile Rubber Bulk - Nitrile NBR, BUNA-N O-Ring
Inside Diameter (ID)
288.00
mm

(Equiv. 11.339 in.)
Section (t)
5.00
mm

(Equiv. 0.197 in.)
Colour
Black

Hardness
Duro 70
General Purpose O-Rings - 288x5 mm - Black Nitrile Rubber Bulk - Nitrile NBR, BUNA-N O-Ring
Material: Nitrile (NBR, BUNA-N)   
Part Number: ORB-28800-500-N70 (Each)
Contact Us | Special Order Only - Please contact us if you need a large quantity
General Purpose O-Rings - 288x5 mm - Black Nitrile Rubber Bulk - Nitrile NBR, BUNA-N O-Ring
Inside Diameter (ID)
288.00
mm

(Equiv. 11.339 in.)
Section (t)
5.00
mm

(Equiv. 0.197 in.)
Colour
Black

Hardness
Duro 70
General Purpose O-Rings - 288x5 mm - Black Nitrile Rubber Bulk - Nitrile NBR, BUNA-N O-Ring
Material: Nitrile (NBR, BUNA-N)   
Part Number: ORB-28800-500-N70 (Each)
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 - 288x6 mm - Black Nitrile Rubber Bulk - Nitrile NBR, BUNA-N O-Ring
Inside Diameter (ID)
288.00
mm

(Equiv. 11.339 in.)
Section (t)
6.00
mm

(Equiv. 0.236 in.)
Colour
Black

Hardness
Duro 70
General Purpose O-Rings - 288x6 mm - Black Nitrile Rubber Bulk - Nitrile NBR, BUNA-N O-Ring
Material: Nitrile (NBR, BUNA-N)   
Part Number: ORB-28800-600-N70 (PK-270)
Out of Stock | Backorder Now | Orders can be expected around Wed, Feb 25, 2026
Regular price $1,771.14 AUD
Regular price Sale price $1,771.14 AUD
Priced, Stocked and Sold Per 270 Units
Excludes GST and overseas Taxes & Duties
Quantity Required

Backorder: Out of Stock.
General Purpose O-Rings - 288x6 mm - Black Nitrile Rubber Bulk - Nitrile NBR, BUNA-N O-Ring
Inside Diameter (ID)
288.00
mm

(Equiv. 11.339 in.)
Section (t)
6.00
mm

(Equiv. 0.236 in.)
Colour
Black

Hardness
Duro 70
General Purpose O-Rings - 288x6 mm - Black Nitrile Rubber Bulk - Nitrile NBR, BUNA-N O-Ring
Material: Nitrile (NBR, BUNA-N)   
Part Number: ORB-28800-600-N70 (PK-270)
Out of Stock | Backorder Now | Orders can be expected around Wed, Feb 25, 2026
Regular price $1,771.14 AUD
Regular price Sale price $1,771.14 AUD
Priced, Stocked and Sold Per 270 Units
Excludes GST and overseas Taxes & Duties
Quantity Required

Backorder: Out of Stock.
General Purpose O-Rings - 289x3.5 mm - Black Nitrile Rubber Bulk - Nitrile NBR, BUNA-N O-Ring
Inside Diameter (ID)
289.00
mm

(Equiv. 11.378 in.)
Section (t)
3.50
mm

(Equiv. 0.138 in.)
Colour
Black

Hardness
Duro 70
General Purpose O-Rings - 289x3.5 mm - Black Nitrile Rubber Bulk - Nitrile NBR, BUNA-N O-Ring
Material: Nitrile (NBR, BUNA-N)   
Part Number: ORB-28900-350-N70 (Each)
Contact Us | Special Order Only - Please contact us if you need a large quantity
General Purpose O-Rings - 289x3.5 mm - Black Nitrile Rubber Bulk - Nitrile NBR, BUNA-N O-Ring
Inside Diameter (ID)
289.00
mm

(Equiv. 11.378 in.)
Section (t)
3.50
mm

(Equiv. 0.138 in.)
Colour
Black

Hardness
Duro 70
General Purpose O-Rings - 289x3.5 mm - Black Nitrile Rubber Bulk - Nitrile NBR, BUNA-N O-Ring
Material: Nitrile (NBR, BUNA-N)   
Part Number: ORB-28900-350-N70 (Each)
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 - 289x4 mm - Black Nitrile Rubber Bulk - Nitrile NBR, BUNA-N O-Ring
Inside Diameter (ID)
289.00
mm

(Equiv. 11.378 in.)
Section (t)
4.00
mm

(Equiv. 0.157 in.)
Colour
Black

Hardness
Duro 70
General Purpose O-Rings - 289x4 mm - Black Nitrile Rubber Bulk - Nitrile NBR, BUNA-N O-Ring
Material: Nitrile (NBR, BUNA-N)   
Part Number: ORB-28900-400-N70 (Each)
Contact Us | Special Order Only - Please contact us if you need a large quantity
General Purpose O-Rings - 289x4 mm - Black Nitrile Rubber Bulk - Nitrile NBR, BUNA-N O-Ring
Inside Diameter (ID)
289.00
mm

(Equiv. 11.378 in.)
Section (t)
4.00
mm

(Equiv. 0.157 in.)
Colour
Black

Hardness
Duro 70
General Purpose O-Rings - 289x4 mm - Black Nitrile Rubber Bulk - Nitrile NBR, BUNA-N O-Ring
Material: Nitrile (NBR, BUNA-N)   
Part Number: ORB-28900-400-N70 (Each)
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 - 289x5 mm - Black Nitrile Rubber Bulk - Nitrile NBR, BUNA-N O-Ring
Inside Diameter (ID)
289.00
mm

(Equiv. 11.378 in.)
Section (t)
5.00
mm

(Equiv. 0.197 in.)
Colour
Black

Hardness
Duro 70
General Purpose O-Rings - 289x5 mm - Black Nitrile Rubber Bulk - Nitrile NBR, BUNA-N O-Ring
Material: Nitrile (NBR, BUNA-N)   
Part Number: ORB-28900-500-N70 (Each)
Contact Us | Special Order Only - Please contact us if you need a large quantity
General Purpose O-Rings - 289x5 mm - Black Nitrile Rubber Bulk - Nitrile NBR, BUNA-N O-Ring
Inside Diameter (ID)
289.00
mm

(Equiv. 11.378 in.)
Section (t)
5.00
mm

(Equiv. 0.197 in.)
Colour
Black

Hardness
Duro 70
General Purpose O-Rings - 289x5 mm - Black Nitrile Rubber Bulk - Nitrile NBR, BUNA-N O-Ring
Material: Nitrile (NBR, BUNA-N)   
Part Number: ORB-28900-500-N70 (Each)
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 - 289.3x5.7 mm - Black Nitrile Rubber Bulk - Nitrile NBR, BUNA-N O-Ring
Inside Diameter (ID)
289.30
mm

(Equiv. 11.39 in.)
Section (t)
5.70
mm

(Equiv. 0.224 in.)
Colour
Black

Hardness
Duro 70
General Purpose O-Rings - 289.3x5.7 mm - Black Nitrile Rubber Bulk - Nitrile NBR, BUNA-N O-Ring
Material: Nitrile (NBR, BUNA-N)   
Part Number: ORB-28930-570-N70 (PK-280)
Out of Stock | Backorder Now | Orders can be expected around Wed, Feb 25, 2026
Regular price $1,743.23 AUD
Regular price Sale price $1,743.23 AUD
Priced, Stocked and Sold Per 280 Units
Excludes GST and overseas Taxes & Duties
Quantity Required

Backorder: Out of Stock.
General Purpose O-Rings - 289.3x5.7 mm - Black Nitrile Rubber Bulk - Nitrile NBR, BUNA-N O-Ring
Inside Diameter (ID)
289.30
mm

(Equiv. 11.39 in.)
Section (t)
5.70
mm

(Equiv. 0.224 in.)
Colour
Black

Hardness
Duro 70
General Purpose O-Rings - 289.3x5.7 mm - Black Nitrile Rubber Bulk - Nitrile NBR, BUNA-N O-Ring
Material: Nitrile (NBR, BUNA-N)   
Part Number: ORB-28930-570-N70 (PK-280)
Out of Stock | Backorder Now | Orders can be expected around Wed, Feb 25, 2026
Regular price $1,743.23 AUD
Regular price Sale price $1,743.23 AUD
Priced, Stocked and Sold Per 280 Units
Excludes GST and overseas Taxes & Duties
Quantity Required

Backorder: Out of Stock.
General Purpose O-Rings - 290x3.5 mm - Black Nitrile Rubber Bulk - Nitrile NBR, BUNA-N O-Ring
Inside Diameter (ID)
290.00
mm

(Equiv. 11.417 in.)
Section (t)
3.50
mm

(Equiv. 0.138 in.)
Colour
Black

Hardness
Duro 70
General Purpose O-Rings - 290x3.5 mm - Black Nitrile Rubber Bulk - Nitrile NBR, BUNA-N O-Ring
Material: Nitrile (NBR, BUNA-N)   
Part Number: ORB-29000-350-N70 (Each)
Contact Us | Special Order Only - Please contact us if you need a large quantity
General Purpose O-Rings - 290x3.5 mm - Black Nitrile Rubber Bulk - Nitrile NBR, BUNA-N O-Ring
Inside Diameter (ID)
290.00
mm

(Equiv. 11.417 in.)
Section (t)
3.50
mm

(Equiv. 0.138 in.)
Colour
Black

Hardness
Duro 70
General Purpose O-Rings - 290x3.5 mm - Black Nitrile Rubber Bulk - Nitrile NBR, BUNA-N O-Ring
Material: Nitrile (NBR, BUNA-N)   
Part Number: ORB-29000-350-N70 (Each)
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 - 290x4 mm - Black Nitrile Rubber Bulk - Nitrile NBR, BUNA-N O-Ring
Inside Diameter (ID)
290.00
mm

(Equiv. 11.417 in.)
Section (t)
4.00
mm

(Equiv. 0.157 in.)
Colour
Black

Hardness
Duro 70
General Purpose O-Rings - 290x4 mm - Black Nitrile Rubber Bulk - Nitrile NBR, BUNA-N O-Ring
Material: Nitrile (NBR, BUNA-N)   
Part Number: ORB-29000-400-N70 (Each)
Contact Us | Special Order Only - Please contact us if you need a large quantity
General Purpose O-Rings - 290x4 mm - Black Nitrile Rubber Bulk - Nitrile NBR, BUNA-N O-Ring
Inside Diameter (ID)
290.00
mm

(Equiv. 11.417 in.)
Section (t)
4.00
mm

(Equiv. 0.157 in.)
Colour
Black

Hardness
Duro 70
General Purpose O-Rings - 290x4 mm - Black Nitrile Rubber Bulk - Nitrile NBR, BUNA-N O-Ring
Material: Nitrile (NBR, BUNA-N)   
Part Number: ORB-29000-400-N70 (Each)
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 - 290x5 mm - Black Nitrile Rubber Bulk - Nitrile NBR, BUNA-N O-Ring
Inside Diameter (ID)
290.00
mm

(Equiv. 11.417 in.)
Section (t)
5.00
mm

(Equiv. 0.197 in.)
Colour
Black

Hardness
Duro 70
General Purpose O-Rings - 290x5 mm - Black Nitrile Rubber Bulk - Nitrile NBR, BUNA-N O-Ring
Material: Nitrile (NBR, BUNA-N)   
Part Number: ORB-29000-500-N70 (PK-100)
Out of Stock | Backorder Now | Orders can be expected around Wed, Feb 25, 2026
Regular price $996.32 AUD
Regular price Sale price $996.32 AUD
Priced, Stocked and Sold Per 100 Units
Excludes GST and overseas Taxes & Duties
Quantity Required

Backorder: Out of Stock.
General Purpose O-Rings - 290x5 mm - Black Nitrile Rubber Bulk - Nitrile NBR, BUNA-N O-Ring
Inside Diameter (ID)
290.00
mm

(Equiv. 11.417 in.)
Section (t)
5.00
mm

(Equiv. 0.197 in.)
Colour
Black

Hardness
Duro 70
General Purpose O-Rings - 290x5 mm - Black Nitrile Rubber Bulk - Nitrile NBR, BUNA-N O-Ring
Material: Nitrile (NBR, BUNA-N)   
Part Number: ORB-29000-500-N70 (PK-100)
Out of Stock | Backorder Now | Orders can be expected around Wed, Feb 25, 2026
Regular price $996.32 AUD
Regular price Sale price $996.32 AUD
Priced, Stocked and Sold Per 100 Units
Excludes GST and overseas Taxes & Duties
Quantity Required

Backorder: Out of Stock.
General Purpose O-Rings - 290x6 mm - Black Nitrile Rubber Bulk - Nitrile NBR, BUNA-N O-Ring
Inside Diameter (ID)
290.00
mm

(Equiv. 11.417 in.)
Section (t)
6.00
mm

(Equiv. 0.236 in.)
Colour
Black

Hardness
Duro 70
General Purpose O-Rings - 290x6 mm - Black Nitrile Rubber Bulk - Nitrile NBR, BUNA-N O-Ring
Material: Nitrile (NBR, BUNA-N)   
Part Number: ORB-29000-600-N70 (PK-70)
Out of Stock | Backorder Now | Orders can be expected around Wed, Feb 25, 2026
Regular price $1,227.59 AUD
Regular price Sale price $1,227.59 AUD
Priced, Stocked and Sold Per 70 Units
Excludes GST and overseas Taxes & Duties
Quantity Required

Backorder: Out of Stock.
General Purpose O-Rings - 290x6 mm - Black Nitrile Rubber Bulk - Nitrile NBR, BUNA-N O-Ring
Inside Diameter (ID)
290.00
mm

(Equiv. 11.417 in.)
Section (t)
6.00
mm

(Equiv. 0.236 in.)
Colour
Black

Hardness
Duro 70
General Purpose O-Rings - 290x6 mm - Black Nitrile Rubber Bulk - Nitrile NBR, BUNA-N O-Ring
Material: Nitrile (NBR, BUNA-N)   
Part Number: ORB-29000-600-N70 (PK-70)
Out of Stock | Backorder Now | Orders can be expected around Wed, Feb 25, 2026
Regular price $1,227.59 AUD
Regular price Sale price $1,227.59 AUD
Priced, Stocked and Sold Per 70 Units
Excludes GST and overseas Taxes & Duties
Quantity Required

Backorder: Out of Stock.