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 - 487x7 mm - Black Nitrile Rubber Bulk - Nitrile NBR, BUNA-N O-Ring
Inside Diameter (ID)
487.00
mm

(Equiv. 19.173 in.)
Section (t)
7.00
mm

(Equiv. 0.276 in.)
Colour
Black

Hardness
Duro 70
General Purpose O-Rings - 487x7 mm - Black Nitrile Rubber Bulk - Nitrile NBR, BUNA-N O-Ring
Material: Nitrile (NBR, BUNA-N)   
Part Number: ORB-48700-700-N70 (PK-100)
Out of Stock | Backorder Now | Orders can be expected around Tue, Feb 24, 2026
Regular price $3,064.32 AUD
Regular price Sale price $3,064.32 AUD
Priced, Stocked and Sold Per 100 Units
Excludes GST and overseas Taxes & Duties
Quantity Required

Backorder: Out of Stock.
Inside Diameter (ID) Section (t) Colour Hardness Indicative
Image
General Purpose O-Rings - 487x7 mm - Black Nitrile Rubber Bulk - Nitrile NBR, BUNA-N O-Ring
Inside Diameter (ID)
487.00
mm

(Equiv. 19.173 in.)
Section (t)
7.00
mm

(Equiv. 0.276 in.)
Colour
Black

Hardness
Duro 70
General Purpose O-Rings - 487x7 mm - Black Nitrile Rubber Bulk - Nitrile NBR, BUNA-N O-Ring
Material: Nitrile (NBR, BUNA-N)   
Part Number: ORB-48700-700-N70 (PK-100)
Out of Stock | Backorder Now | Orders can be expected around Tue, Feb 24, 2026
Regular price $3,064.32 AUD
Regular price Sale price $3,064.32 AUD
Priced, Stocked and Sold Per 100 Units
Excludes GST and overseas Taxes & Duties
Quantity Required

Backorder: Out of Stock.
General Purpose O-Rings - 488x4 mm - Black Nitrile Rubber Bulk - Nitrile NBR, BUNA-N O-Ring
Inside Diameter (ID)
488.00
mm

(Equiv. 19.213 in.)
Section (t)
4.00
mm

(Equiv. 0.157 in.)
Colour
Black

Hardness
Duro 70
General Purpose O-Rings - 488x4 mm - Black Nitrile Rubber Bulk - Nitrile NBR, BUNA-N O-Ring
Material: Nitrile (NBR, BUNA-N)   
Part Number: ORB-48800-400-N70 (Each)
Contact Us | Special Order Only - Please contact us if you need a large quantity
General Purpose O-Rings - 488x4 mm - Black Nitrile Rubber Bulk - Nitrile NBR, BUNA-N O-Ring
Inside Diameter (ID)
488.00
mm

(Equiv. 19.213 in.)
Section (t)
4.00
mm

(Equiv. 0.157 in.)
Colour
Black

Hardness
Duro 70
General Purpose O-Rings - 488x4 mm - Black Nitrile Rubber Bulk - Nitrile NBR, BUNA-N O-Ring
Material: Nitrile (NBR, BUNA-N)   
Part Number: ORB-48800-400-N70 (Each)
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 - 489x4 mm - Black Nitrile Rubber Bulk - Nitrile NBR, BUNA-N O-Ring
Inside Diameter (ID)
489.00
mm

(Equiv. 19.252 in.)
Section (t)
4.00
mm

(Equiv. 0.157 in.)
Colour
Black

Hardness
Duro 70
General Purpose O-Rings - 489x4 mm - Black Nitrile Rubber Bulk - Nitrile NBR, BUNA-N O-Ring
Material: Nitrile (NBR, BUNA-N)   
Part Number: ORB-48900-400-N70 (Each)
Contact Us | Special Order Only - Please contact us if you need a large quantity
General Purpose O-Rings - 489x4 mm - Black Nitrile Rubber Bulk - Nitrile NBR, BUNA-N O-Ring
Inside Diameter (ID)
489.00
mm

(Equiv. 19.252 in.)
Section (t)
4.00
mm

(Equiv. 0.157 in.)
Colour
Black

Hardness
Duro 70
General Purpose O-Rings - 489x4 mm - Black Nitrile Rubber Bulk - Nitrile NBR, BUNA-N O-Ring
Material: Nitrile (NBR, BUNA-N)   
Part Number: ORB-48900-400-N70 (Each)
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 - 489x6 mm - Black Nitrile Rubber Bulk - Nitrile NBR, BUNA-N O-Ring
Inside Diameter (ID)
489.00
mm

(Equiv. 19.252 in.)
Section (t)
6.00
mm

(Equiv. 0.236 in.)
Colour
Black

Hardness
Duro 70
General Purpose O-Rings - 489x6 mm - Black Nitrile Rubber Bulk - Nitrile NBR, BUNA-N O-Ring
Material: Nitrile (NBR, BUNA-N)   
Part Number: ORB-48900-600-N70 (Each)
Contact Us | Special Order Only - Please contact us if you need a large quantity
General Purpose O-Rings - 489x6 mm - Black Nitrile Rubber Bulk - Nitrile NBR, BUNA-N O-Ring
Inside Diameter (ID)
489.00
mm

(Equiv. 19.252 in.)
Section (t)
6.00
mm

(Equiv. 0.236 in.)
Colour
Black

Hardness
Duro 70
General Purpose O-Rings - 489x6 mm - Black Nitrile Rubber Bulk - Nitrile NBR, BUNA-N O-Ring
Material: Nitrile (NBR, BUNA-N)   
Part Number: ORB-48900-600-N70 (Each)
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 - 490x4 mm - Black Nitrile Rubber Bulk - Nitrile NBR, BUNA-N O-Ring
Inside Diameter (ID)
490.00
mm

(Equiv. 19.291 in.)
Section (t)
4.00
mm

(Equiv. 0.157 in.)
Colour
Black

Hardness
Duro 70
General Purpose O-Rings - 490x4 mm - Black Nitrile Rubber Bulk - Nitrile NBR, BUNA-N O-Ring
Material: Nitrile (NBR, BUNA-N)   
Part Number: ORB-49000-400-N70 (Each)
Contact Us | Special Order Only - Please contact us if you need a large quantity
General Purpose O-Rings - 490x4 mm - Black Nitrile Rubber Bulk - Nitrile NBR, BUNA-N O-Ring
Inside Diameter (ID)
490.00
mm

(Equiv. 19.291 in.)
Section (t)
4.00
mm

(Equiv. 0.157 in.)
Colour
Black

Hardness
Duro 70
General Purpose O-Rings - 490x4 mm - Black Nitrile Rubber Bulk - Nitrile NBR, BUNA-N O-Ring
Material: Nitrile (NBR, BUNA-N)   
Part Number: ORB-49000-400-N70 (Each)
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 - 491x4 mm - Black Nitrile Rubber Bulk - Nitrile NBR, BUNA-N O-Ring
Inside Diameter (ID)
491.00
mm

(Equiv. 19.331 in.)
Section (t)
4.00
mm

(Equiv. 0.157 in.)
Colour
Black

Hardness
Duro 70
General Purpose O-Rings - 491x4 mm - Black Nitrile Rubber Bulk - Nitrile NBR, BUNA-N O-Ring
Material: Nitrile (NBR, BUNA-N)   
Part Number: ORB-49100-400-N70 (Each)
Contact Us | Special Order Only - Please contact us if you need a large quantity
General Purpose O-Rings - 491x4 mm - Black Nitrile Rubber Bulk - Nitrile NBR, BUNA-N O-Ring
Inside Diameter (ID)
491.00
mm

(Equiv. 19.331 in.)
Section (t)
4.00
mm

(Equiv. 0.157 in.)
Colour
Black

Hardness
Duro 70
General Purpose O-Rings - 491x4 mm - Black Nitrile Rubber Bulk - Nitrile NBR, BUNA-N O-Ring
Material: Nitrile (NBR, BUNA-N)   
Part Number: ORB-49100-400-N70 (Each)
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 - 492x4 mm - Black Nitrile Rubber Bulk - Nitrile NBR, BUNA-N O-Ring
Inside Diameter (ID)
492.00
mm

(Equiv. 19.37 in.)
Section (t)
4.00
mm

(Equiv. 0.157 in.)
Colour
Black

Hardness
Duro 70
General Purpose O-Rings - 492x4 mm - Black Nitrile Rubber Bulk - Nitrile NBR, BUNA-N O-Ring
Material: Nitrile (NBR, BUNA-N)   
Part Number: ORB-49200-400-N70 (Each)
Contact Us | Special Order Only - Please contact us if you need a large quantity
General Purpose O-Rings - 492x4 mm - Black Nitrile Rubber Bulk - Nitrile NBR, BUNA-N O-Ring
Inside Diameter (ID)
492.00
mm

(Equiv. 19.37 in.)
Section (t)
4.00
mm

(Equiv. 0.157 in.)
Colour
Black

Hardness
Duro 70
General Purpose O-Rings - 492x4 mm - Black Nitrile Rubber Bulk - Nitrile NBR, BUNA-N O-Ring
Material: Nitrile (NBR, BUNA-N)   
Part Number: ORB-49200-400-N70 (Each)
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 - 493x4 mm - Black Nitrile Rubber Bulk - Nitrile NBR, BUNA-N O-Ring
Inside Diameter (ID)
493.00
mm

(Equiv. 19.409 in.)
Section (t)
4.00
mm

(Equiv. 0.157 in.)
Colour
Black

Hardness
Duro 70
General Purpose O-Rings - 493x4 mm - Black Nitrile Rubber Bulk - Nitrile NBR, BUNA-N O-Ring
Material: Nitrile (NBR, BUNA-N)   
Part Number: ORB-49300-400-N70 (PK-50000)
Contact Us | Special Order Only - Please contact us if you need a large quantity
General Purpose O-Rings - 493x4 mm - Black Nitrile Rubber Bulk - Nitrile NBR, BUNA-N O-Ring
Inside Diameter (ID)
493.00
mm

(Equiv. 19.409 in.)
Section (t)
4.00
mm

(Equiv. 0.157 in.)
Colour
Black

Hardness
Duro 70
General Purpose O-Rings - 493x4 mm - Black Nitrile Rubber Bulk - Nitrile NBR, BUNA-N O-Ring
Material: Nitrile (NBR, BUNA-N)   
Part Number: ORB-49300-400-N70 (PK-50000)
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 - 494x4 mm - Black Nitrile Rubber Bulk - Nitrile NBR, BUNA-N O-Ring
Inside Diameter (ID)
494.00
mm

(Equiv. 19.449 in.)
Section (t)
4.00
mm

(Equiv. 0.157 in.)
Colour
Black

Hardness
Duro 70
General Purpose O-Rings - 494x4 mm - Black Nitrile Rubber Bulk - Nitrile NBR, BUNA-N O-Ring
Material: Nitrile (NBR, BUNA-N)   
Part Number: ORB-49400-400-N70 (Each)
Contact Us | Special Order Only - Please contact us if you need a large quantity
General Purpose O-Rings - 494x4 mm - Black Nitrile Rubber Bulk - Nitrile NBR, BUNA-N O-Ring
Inside Diameter (ID)
494.00
mm

(Equiv. 19.449 in.)
Section (t)
4.00
mm

(Equiv. 0.157 in.)
Colour
Black

Hardness
Duro 70
General Purpose O-Rings - 494x4 mm - Black Nitrile Rubber Bulk - Nitrile NBR, BUNA-N O-Ring
Material: Nitrile (NBR, BUNA-N)   
Part Number: ORB-49400-400-N70 (Each)
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 - 494.16x6.99 mm - Black Nitrile Rubber Bulk - Nitrile NBR, BUNA-N O-Ring
Inside Diameter (ID)
494.16
mm

(Equiv. 19.455 in.)
Section (t)
6.99
mm

(Equiv. 0.275 in.)
Colour
Black

Hardness
Duro 70
General Purpose O-Rings - 494.16x6.99 mm - Black Nitrile Rubber Bulk - Nitrile NBR, BUNA-N O-Ring
Material: Nitrile (NBR, BUNA-N)   
Part Number: ORB-49416-699-N70-468 (PK-40)
Out of Stock | Backorder Now | Orders can be expected around Tue, Feb 24, 2026
Regular price $1,461.59 AUD
Regular price Sale price $1,461.59 AUD
Priced, Stocked and Sold Per 40 Units
Excludes GST and overseas Taxes & Duties
Quantity Required

Backorder: Out of Stock.
General Purpose O-Rings - 494.16x6.99 mm - Black Nitrile Rubber Bulk - Nitrile NBR, BUNA-N O-Ring
Inside Diameter (ID)
494.16
mm

(Equiv. 19.455 in.)
Section (t)
6.99
mm

(Equiv. 0.275 in.)
Colour
Black

Hardness
Duro 70
General Purpose O-Rings - 494.16x6.99 mm - Black Nitrile Rubber Bulk - Nitrile NBR, BUNA-N O-Ring
Material: Nitrile (NBR, BUNA-N)   
Part Number: ORB-49416-699-N70-468 (PK-40)
Out of Stock | Backorder Now | Orders can be expected around Tue, Feb 24, 2026
Regular price $1,461.59 AUD
Regular price Sale price $1,461.59 AUD
Priced, Stocked and Sold Per 40 Units
Excludes GST and overseas Taxes & Duties
Quantity Required

Backorder: Out of Stock.
General Purpose O-Rings - 494.67x7 mm - Black Nitrile Rubber Bulk - Nitrile NBR, BUNA-N O-Ring
Inside Diameter (ID)
494.67
mm

(Equiv. 19.475 in.)
Section (t)
7.00
mm

(Equiv. 0.276 in.)
Colour
Black

Hardness
Duro 70
General Purpose O-Rings - 494.67x7 mm - Black Nitrile Rubber Bulk - Nitrile NBR, BUNA-N O-Ring
Material: Nitrile (NBR, BUNA-N)   
Part Number: ORB-49467-700-N70 (Each)
Contact Us | Special Order Only - Please contact us if you need a large quantity
General Purpose O-Rings - 494.67x7 mm - Black Nitrile Rubber Bulk - Nitrile NBR, BUNA-N O-Ring
Inside Diameter (ID)
494.67
mm

(Equiv. 19.475 in.)
Section (t)
7.00
mm

(Equiv. 0.276 in.)
Colour
Black

Hardness
Duro 70
General Purpose O-Rings - 494.67x7 mm - Black Nitrile Rubber Bulk - Nitrile NBR, BUNA-N O-Ring
Material: Nitrile (NBR, BUNA-N)   
Part Number: ORB-49467-700-N70 (Each)
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 - 495x4 mm - Black Nitrile Rubber Bulk - Nitrile NBR, BUNA-N O-Ring
Inside Diameter (ID)
495.00
mm

(Equiv. 19.488 in.)
Section (t)
4.00
mm

(Equiv. 0.157 in.)
Colour
Black

Hardness
Duro 70
General Purpose O-Rings - 495x4 mm - Black Nitrile Rubber Bulk - Nitrile NBR, BUNA-N O-Ring
Material: Nitrile (NBR, BUNA-N)   
Part Number: ORB-49500-400-N70 (Each)
Contact Us | Special Order Only - Please contact us if you need a large quantity
General Purpose O-Rings - 495x4 mm - Black Nitrile Rubber Bulk - Nitrile NBR, BUNA-N O-Ring
Inside Diameter (ID)
495.00
mm

(Equiv. 19.488 in.)
Section (t)
4.00
mm

(Equiv. 0.157 in.)
Colour
Black

Hardness
Duro 70
General Purpose O-Rings - 495x4 mm - Black Nitrile Rubber Bulk - Nitrile NBR, BUNA-N O-Ring
Material: Nitrile (NBR, BUNA-N)   
Part Number: ORB-49500-400-N70 (Each)
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 - 496x4 mm - Black Nitrile Rubber Bulk - Nitrile NBR, BUNA-N O-Ring
Inside Diameter (ID)
496.00
mm

(Equiv. 19.528 in.)
Section (t)
4.00
mm

(Equiv. 0.157 in.)
Colour
Black

Hardness
Duro 70
General Purpose O-Rings - 496x4 mm - Black Nitrile Rubber Bulk - Nitrile NBR, BUNA-N O-Ring
Material: Nitrile (NBR, BUNA-N)   
Part Number: ORB-49600-400-N70 (Each)
Contact Us | Special Order Only - Please contact us if you need a large quantity
General Purpose O-Rings - 496x4 mm - Black Nitrile Rubber Bulk - Nitrile NBR, BUNA-N O-Ring
Inside Diameter (ID)
496.00
mm

(Equiv. 19.528 in.)
Section (t)
4.00
mm

(Equiv. 0.157 in.)
Colour
Black

Hardness
Duro 70
General Purpose O-Rings - 496x4 mm - Black Nitrile Rubber Bulk - Nitrile NBR, BUNA-N O-Ring
Material: Nitrile (NBR, BUNA-N)   
Part Number: ORB-49600-400-N70 (Each)
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 - 497x4 mm - Black Nitrile Rubber Bulk - Nitrile NBR, BUNA-N O-Ring
Inside Diameter (ID)
497.00
mm

(Equiv. 19.567 in.)
Section (t)
4.00
mm

(Equiv. 0.157 in.)
Colour
Black

Hardness
Duro 70
General Purpose O-Rings - 497x4 mm - Black Nitrile Rubber Bulk - Nitrile NBR, BUNA-N O-Ring
Material: Nitrile (NBR, BUNA-N)   
Part Number: ORB-49700-400-N70 (Each)
Contact Us | Special Order Only - Please contact us if you need a large quantity
General Purpose O-Rings - 497x4 mm - Black Nitrile Rubber Bulk - Nitrile NBR, BUNA-N O-Ring
Inside Diameter (ID)
497.00
mm

(Equiv. 19.567 in.)
Section (t)
4.00
mm

(Equiv. 0.157 in.)
Colour
Black

Hardness
Duro 70
General Purpose O-Rings - 497x4 mm - Black Nitrile Rubber Bulk - Nitrile NBR, BUNA-N O-Ring
Material: Nitrile (NBR, BUNA-N)   
Part Number: ORB-49700-400-N70 (Each)
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 - 498x4 mm - Black Nitrile Rubber Bulk - Nitrile NBR, BUNA-N O-Ring
Inside Diameter (ID)
498.00
mm

(Equiv. 19.606 in.)
Section (t)
4.00
mm

(Equiv. 0.157 in.)
Colour
Black

Hardness
Duro 70
General Purpose O-Rings - 498x4 mm - Black Nitrile Rubber Bulk - Nitrile NBR, BUNA-N O-Ring
Material: Nitrile (NBR, BUNA-N)   
Part Number: ORB-49800-400-N70 (Each)
Contact Us | Special Order Only - Please contact us if you need a large quantity
General Purpose O-Rings - 498x4 mm - Black Nitrile Rubber Bulk - Nitrile NBR, BUNA-N O-Ring
Inside Diameter (ID)
498.00
mm

(Equiv. 19.606 in.)
Section (t)
4.00
mm

(Equiv. 0.157 in.)
Colour
Black

Hardness
Duro 70
General Purpose O-Rings - 498x4 mm - Black Nitrile Rubber Bulk - Nitrile NBR, BUNA-N O-Ring
Material: Nitrile (NBR, BUNA-N)   
Part Number: ORB-49800-400-N70 (Each)
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 - 499x4 mm - Black Nitrile Rubber Bulk - Nitrile NBR, BUNA-N O-Ring
Inside Diameter (ID)
499.00
mm

(Equiv. 19.646 in.)
Section (t)
4.00
mm

(Equiv. 0.157 in.)
Colour
Black

Hardness
Duro 70
General Purpose O-Rings - 499x4 mm - Black Nitrile Rubber Bulk - Nitrile NBR, BUNA-N O-Ring
Material: Nitrile (NBR, BUNA-N)   
Part Number: ORB-49900-400-N70 (Each)
Contact Us | Special Order Only - Please contact us if you need a large quantity
General Purpose O-Rings - 499x4 mm - Black Nitrile Rubber Bulk - Nitrile NBR, BUNA-N O-Ring
Inside Diameter (ID)
499.00
mm

(Equiv. 19.646 in.)
Section (t)
4.00
mm

(Equiv. 0.157 in.)
Colour
Black

Hardness
Duro 70
General Purpose O-Rings - 499x4 mm - Black Nitrile Rubber Bulk - Nitrile NBR, BUNA-N O-Ring
Material: Nitrile (NBR, BUNA-N)   
Part Number: ORB-49900-400-N70 (Each)
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 - 499.3x5.7 mm - Black Nitrile Rubber Bulk - Nitrile NBR, BUNA-N O-Ring
Inside Diameter (ID)
499.30
mm

(Equiv. 19.657 in.)
Section (t)
5.70
mm

(Equiv. 0.224 in.)
Colour
Black

Hardness
Duro 70
General Purpose O-Rings - 499.3x5.7 mm - Black Nitrile Rubber Bulk - Nitrile NBR, BUNA-N O-Ring
Material: Nitrile (NBR, BUNA-N)   
Part Number: ORB-49930-570-N70 (Each)
Contact Us | Special Order Only - Please contact us if you need a large quantity
General Purpose O-Rings - 499.3x5.7 mm - Black Nitrile Rubber Bulk - Nitrile NBR, BUNA-N O-Ring
Inside Diameter (ID)
499.30
mm

(Equiv. 19.657 in.)
Section (t)
5.70
mm

(Equiv. 0.224 in.)
Colour
Black

Hardness
Duro 70
General Purpose O-Rings - 499.3x5.7 mm - Black Nitrile Rubber Bulk - Nitrile NBR, BUNA-N O-Ring
Material: Nitrile (NBR, BUNA-N)   
Part Number: ORB-49930-570-N70 (Each)
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 - 500x4 mm - Black Nitrile Rubber Bulk - Nitrile NBR, BUNA-N O-Ring
Inside Diameter (ID)
500.00
mm

(Equiv. 19.685 in.)
Section (t)
4.00
mm

(Equiv. 0.157 in.)
Colour
Black

Hardness
Duro 70
General Purpose O-Rings - 500x4 mm - Black Nitrile Rubber Bulk - Nitrile NBR, BUNA-N O-Ring
Material: Nitrile (NBR, BUNA-N)   
Part Number: ORB-50000-400-N70 (Each)
Contact Us | Special Order Only - Please contact us if you need a large quantity
General Purpose O-Rings - 500x4 mm - Black Nitrile Rubber Bulk - Nitrile NBR, BUNA-N O-Ring
Inside Diameter (ID)
500.00
mm

(Equiv. 19.685 in.)
Section (t)
4.00
mm

(Equiv. 0.157 in.)
Colour
Black

Hardness
Duro 70
General Purpose O-Rings - 500x4 mm - Black Nitrile Rubber Bulk - Nitrile NBR, BUNA-N O-Ring
Material: Nitrile (NBR, BUNA-N)   
Part Number: ORB-50000-400-N70 (Each)
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 - 500x6 mm - Black Nitrile Rubber Bulk - Nitrile NBR, BUNA-N O-Ring
Inside Diameter (ID)
500.00
mm

(Equiv. 19.685 in.)
Section (t)
6.00
mm

(Equiv. 0.236 in.)
Colour
Black

Hardness
Duro 70
General Purpose O-Rings - 500x6 mm - Black Nitrile Rubber Bulk - Nitrile NBR, BUNA-N O-Ring
Material: Nitrile (NBR, BUNA-N)   
Part Number: ORB-50000-600-N70 (Each)
Contact Us | Special Order Only - Please contact us if you need a large quantity
General Purpose O-Rings - 500x6 mm - Black Nitrile Rubber Bulk - Nitrile NBR, BUNA-N O-Ring
Inside Diameter (ID)
500.00
mm

(Equiv. 19.685 in.)
Section (t)
6.00
mm

(Equiv. 0.236 in.)
Colour
Black

Hardness
Duro 70
General Purpose O-Rings - 500x6 mm - Black Nitrile Rubber Bulk - Nitrile NBR, BUNA-N O-Ring
Material: Nitrile (NBR, BUNA-N)   
Part Number: ORB-50000-600-N70 (Each)
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 - 500x7 mm - Black Nitrile Rubber Bulk - Nitrile NBR, BUNA-N O-Ring
Inside Diameter (ID)
500.00
mm

(Equiv. 19.685 in.)
Section (t)
7.00
mm

(Equiv. 0.276 in.)
Colour
Black

Hardness
Duro 70
General Purpose O-Rings - 500x7 mm - Black Nitrile Rubber Bulk - Nitrile NBR, BUNA-N O-Ring
Material: Nitrile (NBR, BUNA-N)   
Part Number: ORB-50000-700-N70 (PK-100)
Out of Stock | Backorder Now | Orders can be expected around Tue, Feb 24, 2026
Regular price $3,091.41 AUD
Regular price Sale price $3,091.41 AUD
Priced, Stocked and Sold Per 100 Units
Excludes GST and overseas Taxes & Duties
Quantity Required

Backorder: Out of Stock.
General Purpose O-Rings - 500x7 mm - Black Nitrile Rubber Bulk - Nitrile NBR, BUNA-N O-Ring
Inside Diameter (ID)
500.00
mm

(Equiv. 19.685 in.)
Section (t)
7.00
mm

(Equiv. 0.276 in.)
Colour
Black

Hardness
Duro 70
General Purpose O-Rings - 500x7 mm - Black Nitrile Rubber Bulk - Nitrile NBR, BUNA-N O-Ring
Material: Nitrile (NBR, BUNA-N)   
Part Number: ORB-50000-700-N70 (PK-100)
Out of Stock | Backorder Now | Orders can be expected around Tue, Feb 24, 2026
Regular price $3,091.41 AUD
Regular price Sale price $3,091.41 AUD
Priced, Stocked and Sold Per 100 Units
Excludes GST and overseas Taxes & Duties
Quantity Required

Backorder: Out of Stock.
General Purpose O-Rings - 504x6 mm - Black Nitrile Rubber Bulk - Nitrile NBR, BUNA-N O-Ring
Inside Diameter (ID)
504.00
mm

(Equiv. 19.843 in.)
Section (t)
6.00
mm

(Equiv. 0.236 in.)
Colour
Black

Hardness
Duro 70
General Purpose O-Rings - 504x6 mm - Black Nitrile Rubber Bulk - Nitrile NBR, BUNA-N O-Ring
Material: Nitrile (NBR, BUNA-N)   
Part Number: ORB-50400-600-N70 (Each)
Contact Us | Special Order Only - Please contact us if you need a large quantity
General Purpose O-Rings - 504x6 mm - Black Nitrile Rubber Bulk - Nitrile NBR, BUNA-N O-Ring
Inside Diameter (ID)
504.00
mm

(Equiv. 19.843 in.)
Section (t)
6.00
mm

(Equiv. 0.236 in.)
Colour
Black

Hardness
Duro 70
General Purpose O-Rings - 504x6 mm - Black Nitrile Rubber Bulk - Nitrile NBR, BUNA-N O-Ring
Material: Nitrile (NBR, BUNA-N)   
Part Number: ORB-50400-600-N70 (Each)
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 - 505x6 mm - Black Nitrile Rubber Bulk - Nitrile NBR, BUNA-N O-Ring
Inside Diameter (ID)
505.00
mm

(Equiv. 19.882 in.)
Section (t)
6.00
mm

(Equiv. 0.236 in.)
Colour
Black

Hardness
Duro 70
General Purpose O-Rings - 505x6 mm - Black Nitrile Rubber Bulk - Nitrile NBR, BUNA-N O-Ring
Material: Nitrile (NBR, BUNA-N)   
Part Number: ORB-50500-600-N70 (Each)
Contact Us | Special Order Only - Please contact us if you need a large quantity
General Purpose O-Rings - 505x6 mm - Black Nitrile Rubber Bulk - Nitrile NBR, BUNA-N O-Ring
Inside Diameter (ID)
505.00
mm

(Equiv. 19.882 in.)
Section (t)
6.00
mm

(Equiv. 0.236 in.)
Colour
Black

Hardness
Duro 70
General Purpose O-Rings - 505x6 mm - Black Nitrile Rubber Bulk - Nitrile NBR, BUNA-N O-Ring
Material: Nitrile (NBR, BUNA-N)   
Part Number: ORB-50500-600-N70 (Each)
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 - 506.81x5.33 mm - Black Nitrile Rubber Bulk - Nitrile NBR, BUNA-N O-Ring
Inside Diameter (ID)
506.81
mm

(Equiv. 19.953 in.)
Section (t)
5.33
mm

(Equiv. 0.21 in.)
Colour
Black

Hardness
Duro 70
General Purpose O-Rings - 506.81x5.33 mm - Black Nitrile Rubber Bulk - Nitrile NBR, BUNA-N O-Ring
Material: Nitrile (NBR, BUNA-N)   
Part Number: ORB-50681-533-N70-389 (PK-60)
Out of Stock | Backorder Now | Orders can be expected around Tue, Feb 24, 2026
Regular price $1,315.14 AUD
Regular price Sale price $1,315.14 AUD
Priced, Stocked and Sold Per 60 Units
Excludes GST and overseas Taxes & Duties
Quantity Required

Backorder: Out of Stock.
General Purpose O-Rings - 506.81x5.33 mm - Black Nitrile Rubber Bulk - Nitrile NBR, BUNA-N O-Ring
Inside Diameter (ID)
506.81
mm

(Equiv. 19.953 in.)
Section (t)
5.33
mm

(Equiv. 0.21 in.)
Colour
Black

Hardness
Duro 70
General Purpose O-Rings - 506.81x5.33 mm - Black Nitrile Rubber Bulk - Nitrile NBR, BUNA-N O-Ring
Material: Nitrile (NBR, BUNA-N)   
Part Number: ORB-50681-533-N70-389 (PK-60)
Out of Stock | Backorder Now | Orders can be expected around Tue, Feb 24, 2026
Regular price $1,315.14 AUD
Regular price Sale price $1,315.14 AUD
Priced, Stocked and Sold Per 60 Units
Excludes GST and overseas Taxes & Duties
Quantity Required

Backorder: Out of Stock.
General Purpose O-Rings - 506.81x5.33 mm - Black Nitrile Rubber Bulk - Nitrile NBR, BUNA-N O-Ring
Inside Diameter (ID)
506.81
mm

(Equiv. 19.953 in.)
Section (t)
5.33
mm

(Equiv. 0.21 in.)
Colour
Black

Hardness
Duro 90
General Purpose O-Rings - 506.81x5.33 mm - Black Nitrile Rubber Bulk - Nitrile NBR, BUNA-N O-Ring
Material: Nitrile (NBR, BUNA-N)   
Part Number: ORB-50681-533-N90-389 (PK-50)
Out of Stock | Backorder Now | Orders can be expected around Tue, Feb 24, 2026
Regular price $1,192.05 AUD
Regular price Sale price $1,192.05 AUD
Priced, Stocked and Sold Per 50 Units
Excludes GST and overseas Taxes & Duties
Quantity Required

Backorder: Out of Stock.
General Purpose O-Rings - 506.81x5.33 mm - Black Nitrile Rubber Bulk - Nitrile NBR, BUNA-N O-Ring
Inside Diameter (ID)
506.81
mm

(Equiv. 19.953 in.)
Section (t)
5.33
mm

(Equiv. 0.21 in.)
Colour
Black

Hardness
Duro 90
General Purpose O-Rings - 506.81x5.33 mm - Black Nitrile Rubber Bulk - Nitrile NBR, BUNA-N O-Ring
Material: Nitrile (NBR, BUNA-N)   
Part Number: ORB-50681-533-N90-389 (PK-50)
Out of Stock | Backorder Now | Orders can be expected around Tue, Feb 24, 2026
Regular price $1,192.05 AUD
Regular price Sale price $1,192.05 AUD
Priced, Stocked and Sold Per 50 Units
Excludes GST and overseas Taxes & Duties
Quantity Required

Backorder: Out of Stock.