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 - 302x4 mm - Black Nitrile Rubber Bulk - Nitrile NBR, BUNA-N O-Ring
Inside Diameter (ID)
302.00
mm

(Equiv. 11.89 in.)
Section (t)
4.00
mm

(Equiv. 0.157 in.)
Colour
Black

Hardness
Duro 70
General Purpose O-Rings - 302x4 mm - Black Nitrile Rubber Bulk - Nitrile NBR, BUNA-N O-Ring
Material: Nitrile (NBR, BUNA-N)   
Part Number: ORB-30200-400-N70 (PK-320)
Out of Stock | Backorder Now | Orders can be expected around Wed, Feb 25, 2026
Regular price $1,479.05 AUD
Regular price Sale price $1,479.05 AUD
Priced, Stocked and Sold Per 320 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 - 302x4 mm - Black Nitrile Rubber Bulk - Nitrile NBR, BUNA-N O-Ring
Inside Diameter (ID)
302.00
mm

(Equiv. 11.89 in.)
Section (t)
4.00
mm

(Equiv. 0.157 in.)
Colour
Black

Hardness
Duro 70
General Purpose O-Rings - 302x4 mm - Black Nitrile Rubber Bulk - Nitrile NBR, BUNA-N O-Ring
Material: Nitrile (NBR, BUNA-N)   
Part Number: ORB-30200-400-N70 (PK-320)
Out of Stock | Backorder Now | Orders can be expected around Wed, Feb 25, 2026
Regular price $1,479.05 AUD
Regular price Sale price $1,479.05 AUD
Priced, Stocked and Sold Per 320 Units
Excludes GST and overseas Taxes & Duties
Quantity Required

Backorder: Out of Stock.
General Purpose O-Rings - 303x3.5 mm - Black Nitrile Rubber Bulk - Nitrile NBR, BUNA-N O-Ring
Inside Diameter (ID)
303.00
mm

(Equiv. 11.929 in.)
Section (t)
3.50
mm

(Equiv. 0.138 in.)
Colour
Black

Hardness
Duro 70
General Purpose O-Rings - 303x3.5 mm - Black Nitrile Rubber Bulk - Nitrile NBR, BUNA-N O-Ring
Material: Nitrile (NBR, BUNA-N)   
Part Number: ORB-30300-350-N70 (Each)
Contact Us | Special Order Only - Please contact us if you need a large quantity
General Purpose O-Rings - 303x3.5 mm - Black Nitrile Rubber Bulk - Nitrile NBR, BUNA-N O-Ring
Inside Diameter (ID)
303.00
mm

(Equiv. 11.929 in.)
Section (t)
3.50
mm

(Equiv. 0.138 in.)
Colour
Black

Hardness
Duro 70
General Purpose O-Rings - 303x3.5 mm - Black Nitrile Rubber Bulk - Nitrile NBR, BUNA-N O-Ring
Material: Nitrile (NBR, BUNA-N)   
Part Number: ORB-30300-350-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 - 303x4 mm - Black Nitrile Rubber Bulk - Nitrile NBR, BUNA-N O-Ring
Inside Diameter (ID)
303.00
mm

(Equiv. 11.929 in.)
Section (t)
4.00
mm

(Equiv. 0.157 in.)
Colour
Black

Hardness
Duro 70
General Purpose O-Rings - 303x4 mm - Black Nitrile Rubber Bulk - Nitrile NBR, BUNA-N O-Ring
Material: Nitrile (NBR, BUNA-N)   
Part Number: ORB-30300-400-N70 (Each)
Contact Us | Special Order Only - Please contact us if you need a large quantity
General Purpose O-Rings - 303x4 mm - Black Nitrile Rubber Bulk - Nitrile NBR, BUNA-N O-Ring
Inside Diameter (ID)
303.00
mm

(Equiv. 11.929 in.)
Section (t)
4.00
mm

(Equiv. 0.157 in.)
Colour
Black

Hardness
Duro 70
General Purpose O-Rings - 303x4 mm - Black Nitrile Rubber Bulk - Nitrile NBR, BUNA-N O-Ring
Material: Nitrile (NBR, BUNA-N)   
Part Number: ORB-30300-400-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 - 303x5 mm - Black Nitrile Rubber Bulk - Nitrile NBR, BUNA-N O-Ring
Inside Diameter (ID)
303.00
mm

(Equiv. 11.929 in.)
Section (t)
5.00
mm

(Equiv. 0.197 in.)
Colour
Black

Hardness
Duro 70
General Purpose O-Rings - 303x5 mm - Black Nitrile Rubber Bulk - Nitrile NBR, BUNA-N O-Ring
Material: Nitrile (NBR, BUNA-N)   
Part Number: ORB-30300-500-N70 (Each)
Contact Us | Special Order Only - Please contact us if you need a large quantity
General Purpose O-Rings - 303x5 mm - Black Nitrile Rubber Bulk - Nitrile NBR, BUNA-N O-Ring
Inside Diameter (ID)
303.00
mm

(Equiv. 11.929 in.)
Section (t)
5.00
mm

(Equiv. 0.197 in.)
Colour
Black

Hardness
Duro 70
General Purpose O-Rings - 303x5 mm - Black Nitrile Rubber Bulk - Nitrile NBR, BUNA-N O-Ring
Material: Nitrile (NBR, BUNA-N)   
Part Number: ORB-30300-500-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 - 304x3.5 mm - Black Nitrile Rubber Bulk - Nitrile NBR, BUNA-N O-Ring
Inside Diameter (ID)
304.00
mm

(Equiv. 11.969 in.)
Section (t)
3.50
mm

(Equiv. 0.138 in.)
Colour
Black

Hardness
Duro 70
General Purpose O-Rings - 304x3.5 mm - Black Nitrile Rubber Bulk - Nitrile NBR, BUNA-N O-Ring
Material: Nitrile (NBR, BUNA-N)   
Part Number: ORB-30400-350-N70 (Each)
Contact Us | Special Order Only - Please contact us if you need a large quantity
General Purpose O-Rings - 304x3.5 mm - Black Nitrile Rubber Bulk - Nitrile NBR, BUNA-N O-Ring
Inside Diameter (ID)
304.00
mm

(Equiv. 11.969 in.)
Section (t)
3.50
mm

(Equiv. 0.138 in.)
Colour
Black

Hardness
Duro 70
General Purpose O-Rings - 304x3.5 mm - Black Nitrile Rubber Bulk - Nitrile NBR, BUNA-N O-Ring
Material: Nitrile (NBR, BUNA-N)   
Part Number: ORB-30400-350-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 - 304x4 mm - Black Nitrile Rubber Bulk - Nitrile NBR, BUNA-N O-Ring
Inside Diameter (ID)
304.00
mm

(Equiv. 11.969 in.)
Section (t)
4.00
mm

(Equiv. 0.157 in.)
Colour
Black

Hardness
Duro 70
General Purpose O-Rings - 304x4 mm - Black Nitrile Rubber Bulk - Nitrile NBR, BUNA-N O-Ring
Material: Nitrile (NBR, BUNA-N)   
Part Number: ORB-30400-400-N70 (Each)
Contact Us | Special Order Only - Please contact us if you need a large quantity
General Purpose O-Rings - 304x4 mm - Black Nitrile Rubber Bulk - Nitrile NBR, BUNA-N O-Ring
Inside Diameter (ID)
304.00
mm

(Equiv. 11.969 in.)
Section (t)
4.00
mm

(Equiv. 0.157 in.)
Colour
Black

Hardness
Duro 70
General Purpose O-Rings - 304x4 mm - Black Nitrile Rubber Bulk - Nitrile NBR, BUNA-N O-Ring
Material: Nitrile (NBR, BUNA-N)   
Part Number: ORB-30400-400-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 - 304x5 mm - Black Nitrile Rubber Bulk - Nitrile NBR, BUNA-N O-Ring
Inside Diameter (ID)
304.00
mm

(Equiv. 11.969 in.)
Section (t)
5.00
mm

(Equiv. 0.197 in.)
Colour
Black

Hardness
Duro 70
General Purpose O-Rings - 304x5 mm - Black Nitrile Rubber Bulk - Nitrile NBR, BUNA-N O-Ring
Material: Nitrile (NBR, BUNA-N)   
Part Number: ORB-30400-500-N70 (Each)
Contact Us | Special Order Only - Please contact us if you need a large quantity
General Purpose O-Rings - 304x5 mm - Black Nitrile Rubber Bulk - Nitrile NBR, BUNA-N O-Ring
Inside Diameter (ID)
304.00
mm

(Equiv. 11.969 in.)
Section (t)
5.00
mm

(Equiv. 0.197 in.)
Colour
Black

Hardness
Duro 70
General Purpose O-Rings - 304x5 mm - Black Nitrile Rubber Bulk - Nitrile NBR, BUNA-N O-Ring
Material: Nitrile (NBR, BUNA-N)   
Part Number: ORB-30400-500-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 - 304.17x5.33 mm - Black Nitrile Rubber Bulk - Nitrile NBR, BUNA-N O-Ring
Inside Diameter (ID)
304.17
mm

(Equiv. 11.975 in.)
Section (t)
5.33
mm

(Equiv. 0.21 in.)
Colour
Black

Hardness
Duro 70
General Purpose O-Rings - 304.17x5.33 mm - Black Nitrile Rubber Bulk - Nitrile NBR, BUNA-N O-Ring
Material: Nitrile (NBR, BUNA-N)   
Part Number: ORB-30417-533-N70-381 (PK-100)
Out of Stock | Backorder Now | Orders can be expected around Wed, Feb 25, 2026
Regular price $1,356.86 AUD
Regular price Sale price $1,356.86 AUD
Priced, Stocked and Sold Per 100 Units
Excludes GST and overseas Taxes & Duties
Quantity Required

Backorder: Out of Stock.
General Purpose O-Rings - 304.17x5.33 mm - Black Nitrile Rubber Bulk - Nitrile NBR, BUNA-N O-Ring
Inside Diameter (ID)
304.17
mm

(Equiv. 11.975 in.)
Section (t)
5.33
mm

(Equiv. 0.21 in.)
Colour
Black

Hardness
Duro 70
General Purpose O-Rings - 304.17x5.33 mm - Black Nitrile Rubber Bulk - Nitrile NBR, BUNA-N O-Ring
Material: Nitrile (NBR, BUNA-N)   
Part Number: ORB-30417-533-N70-381 (PK-100)
Out of Stock | Backorder Now | Orders can be expected around Wed, Feb 25, 2026
Regular price $1,356.86 AUD
Regular price Sale price $1,356.86 AUD
Priced, Stocked and Sold Per 100 Units
Excludes GST and overseas Taxes & Duties
Quantity Required

Backorder: Out of Stock.
General Purpose O-Rings - 304.17x5.33 mm - Black Nitrile Rubber Bulk - Nitrile NBR, BUNA-N O-Ring
Inside Diameter (ID)
304.17
mm

(Equiv. 11.975 in.)
Section (t)
5.33
mm

(Equiv. 0.21 in.)
Colour
Black

Hardness
Duro 90
General Purpose O-Rings - 304.17x5.33 mm - Black Nitrile Rubber Bulk - Nitrile NBR, BUNA-N O-Ring
Material: Nitrile (NBR, BUNA-N)   
Part Number: ORB-30417-533-N90-381 (PK-80)
Out of Stock | Backorder Now | Orders can be expected around Wed, Feb 25, 2026
Regular price $1,085.59 AUD
Regular price Sale price $1,085.59 AUD
Priced, Stocked and Sold Per 80 Units
Excludes GST and overseas Taxes & Duties
Quantity Required

Backorder: Out of Stock.
General Purpose O-Rings - 304.17x5.33 mm - Black Nitrile Rubber Bulk - Nitrile NBR, BUNA-N O-Ring
Inside Diameter (ID)
304.17
mm

(Equiv. 11.975 in.)
Section (t)
5.33
mm

(Equiv. 0.21 in.)
Colour
Black

Hardness
Duro 90
General Purpose O-Rings - 304.17x5.33 mm - Black Nitrile Rubber Bulk - Nitrile NBR, BUNA-N O-Ring
Material: Nitrile (NBR, BUNA-N)   
Part Number: ORB-30417-533-N90-381 (PK-80)
Out of Stock | Backorder Now | Orders can be expected around Wed, Feb 25, 2026
Regular price $1,085.59 AUD
Regular price Sale price $1,085.59 AUD
Priced, Stocked and Sold Per 80 Units
Excludes GST and overseas Taxes & Duties
Quantity Required

Backorder: Out of Stock.
General Purpose O-Rings - 304.17x6.99 mm - Black Nitrile Rubber Bulk - Nitrile NBR, BUNA-N O-Ring
Inside Diameter (ID)
304.17
mm

(Equiv. 11.975 in.)
Section (t)
6.99
mm

(Equiv. 0.275 in.)
Colour
Black

Hardness
Duro 70
General Purpose O-Rings - 304.17x6.99 mm - Black Nitrile Rubber Bulk - Nitrile NBR, BUNA-N O-Ring
Material: Nitrile (NBR, BUNA-N)   
Part Number: ORB-30417-699-N70-453 (PK-80)
Out of Stock | Backorder Now | Orders can be expected around Wed, Feb 25, 2026
Regular price $1,608.77 AUD
Regular price Sale price $1,608.77 AUD
Priced, Stocked and Sold Per 80 Units
Excludes GST and overseas Taxes & Duties
Quantity Required

Backorder: Out of Stock.
General Purpose O-Rings - 304.17x6.99 mm - Black Nitrile Rubber Bulk - Nitrile NBR, BUNA-N O-Ring
Inside Diameter (ID)
304.17
mm

(Equiv. 11.975 in.)
Section (t)
6.99
mm

(Equiv. 0.275 in.)
Colour
Black

Hardness
Duro 70
General Purpose O-Rings - 304.17x6.99 mm - Black Nitrile Rubber Bulk - Nitrile NBR, BUNA-N O-Ring
Material: Nitrile (NBR, BUNA-N)   
Part Number: ORB-30417-699-N70-453 (PK-80)
Out of Stock | Backorder Now | Orders can be expected around Wed, Feb 25, 2026
Regular price $1,608.77 AUD
Regular price Sale price $1,608.77 AUD
Priced, Stocked and Sold Per 80 Units
Excludes GST and overseas Taxes & Duties
Quantity Required

Backorder: Out of Stock.
General Purpose O-Rings - 304.17x6.99 mm - Black Nitrile Rubber Bulk - Nitrile NBR, BUNA-N O-Ring
Inside Diameter (ID)
304.17
mm

(Equiv. 11.975 in.)
Section (t)
6.99
mm

(Equiv. 0.275 in.)
Colour
Black

Hardness
Duro 90
General Purpose O-Rings - 304.17x6.99 mm - Black Nitrile Rubber Bulk - Nitrile NBR, BUNA-N O-Ring
Material: Nitrile (NBR, BUNA-N)   
Part Number: ORB-30417-699-N90-453 (PK-70)
Out of Stock | Backorder Now | Orders can be expected around Wed, Feb 25, 2026
Regular price $1,407.77 AUD
Regular price Sale price $1,407.77 AUD
Priced, Stocked and Sold Per 70 Units
Excludes GST and overseas Taxes & Duties
Quantity Required

Backorder: Out of Stock.
General Purpose O-Rings - 304.17x6.99 mm - Black Nitrile Rubber Bulk - Nitrile NBR, BUNA-N O-Ring
Inside Diameter (ID)
304.17
mm

(Equiv. 11.975 in.)
Section (t)
6.99
mm

(Equiv. 0.275 in.)
Colour
Black

Hardness
Duro 90
General Purpose O-Rings - 304.17x6.99 mm - Black Nitrile Rubber Bulk - Nitrile NBR, BUNA-N O-Ring
Material: Nitrile (NBR, BUNA-N)   
Part Number: ORB-30417-699-N90-453 (PK-70)
Out of Stock | Backorder Now | Orders can be expected around Wed, Feb 25, 2026
Regular price $1,407.77 AUD
Regular price Sale price $1,407.77 AUD
Priced, Stocked and Sold Per 70 Units
Excludes GST and overseas Taxes & Duties
Quantity Required

Backorder: Out of Stock.
General Purpose O-Rings - 304.39x3.53 mm - Black Nitrile Rubber Bulk - Nitrile NBR, BUNA-N O-Ring
Inside Diameter (ID)
304.39
mm

(Equiv. 11.984 in.)
Section (t)
3.53
mm

(Equiv. 0.139 in.)
Colour
Black

Hardness
Duro 70
General Purpose O-Rings - 304.39x3.53 mm - Black Nitrile Rubber Bulk - Nitrile NBR, BUNA-N O-Ring
Material: Nitrile (NBR, BUNA-N)   
Part Number: ORB-30439-353-N70-278 (PK-100)
Out of Stock | Backorder Now | Orders can be expected around Wed, Feb 25, 2026
Regular price $868.23 AUD
Regular price Sale price $868.23 AUD
Priced, Stocked and Sold Per 100 Units
Excludes GST and overseas Taxes & Duties
Quantity Required

Backorder: Out of Stock.
General Purpose O-Rings - 304.39x3.53 mm - Black Nitrile Rubber Bulk - Nitrile NBR, BUNA-N O-Ring
Inside Diameter (ID)
304.39
mm

(Equiv. 11.984 in.)
Section (t)
3.53
mm

(Equiv. 0.139 in.)
Colour
Black

Hardness
Duro 70
General Purpose O-Rings - 304.39x3.53 mm - Black Nitrile Rubber Bulk - Nitrile NBR, BUNA-N O-Ring
Material: Nitrile (NBR, BUNA-N)   
Part Number: ORB-30439-353-N70-278 (PK-100)
Out of Stock | Backorder Now | Orders can be expected around Wed, Feb 25, 2026
Regular price $868.23 AUD
Regular price Sale price $868.23 AUD
Priced, Stocked and Sold Per 100 Units
Excludes GST and overseas Taxes & Duties
Quantity Required

Backorder: Out of Stock.
General Purpose O-Rings - 304.39x3.53 mm - Black Nitrile Rubber Bulk - Nitrile NBR, BUNA-N O-Ring
Inside Diameter (ID)
304.39
mm

(Equiv. 11.984 in.)
Section (t)
3.53
mm

(Equiv. 0.139 in.)
Colour
Black

Hardness
Duro 90
General Purpose O-Rings - 304.39x3.53 mm - Black Nitrile Rubber Bulk - Nitrile NBR, BUNA-N O-Ring
Material: Nitrile (NBR, BUNA-N)   
Part Number: ORB-30439-353-N90-278 (PK-90)
Out of Stock | Backorder Now | Orders can be expected around Wed, Feb 25, 2026
Regular price $781.41 AUD
Regular price Sale price $781.41 AUD
Priced, Stocked and Sold Per 90 Units
Excludes GST and overseas Taxes & Duties
Quantity Required

Backorder: Out of Stock.
General Purpose O-Rings - 304.39x3.53 mm - Black Nitrile Rubber Bulk - Nitrile NBR, BUNA-N O-Ring
Inside Diameter (ID)
304.39
mm

(Equiv. 11.984 in.)
Section (t)
3.53
mm

(Equiv. 0.139 in.)
Colour
Black

Hardness
Duro 90
General Purpose O-Rings - 304.39x3.53 mm - Black Nitrile Rubber Bulk - Nitrile NBR, BUNA-N O-Ring
Material: Nitrile (NBR, BUNA-N)   
Part Number: ORB-30439-353-N90-278 (PK-90)
Out of Stock | Backorder Now | Orders can be expected around Wed, Feb 25, 2026
Regular price $781.41 AUD
Regular price Sale price $781.41 AUD
Priced, Stocked and Sold Per 90 Units
Excludes GST and overseas Taxes & Duties
Quantity Required

Backorder: Out of Stock.
General Purpose O-Rings - 305x3.5 mm - Black Nitrile Rubber Bulk - Nitrile NBR, BUNA-N O-Ring
Inside Diameter (ID)
305.00
mm

(Equiv. 12.008 in.)
Section (t)
3.50
mm

(Equiv. 0.138 in.)
Colour
Black

Hardness
Duro 70
General Purpose O-Rings - 305x3.5 mm - Black Nitrile Rubber Bulk - Nitrile NBR, BUNA-N O-Ring
Material: Nitrile (NBR, BUNA-N)   
Part Number: ORB-30500-350-N70 (Each)
Contact Us | Special Order Only - Please contact us if you need a large quantity
General Purpose O-Rings - 305x3.5 mm - Black Nitrile Rubber Bulk - Nitrile NBR, BUNA-N O-Ring
Inside Diameter (ID)
305.00
mm

(Equiv. 12.008 in.)
Section (t)
3.50
mm

(Equiv. 0.138 in.)
Colour
Black

Hardness
Duro 70
General Purpose O-Rings - 305x3.5 mm - Black Nitrile Rubber Bulk - Nitrile NBR, BUNA-N O-Ring
Material: Nitrile (NBR, BUNA-N)   
Part Number: ORB-30500-350-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 - 305x4 mm - Black Nitrile Rubber Bulk - Nitrile NBR, BUNA-N O-Ring
Inside Diameter (ID)
305.00
mm

(Equiv. 12.008 in.)
Section (t)
4.00
mm

(Equiv. 0.157 in.)
Colour
Black

Hardness
Duro 70
General Purpose O-Rings - 305x4 mm - Black Nitrile Rubber Bulk - Nitrile NBR, BUNA-N O-Ring
Material: Nitrile (NBR, BUNA-N)   
Part Number: ORB-30500-400-N70 (Each)
Contact Us | Special Order Only - Please contact us if you need a large quantity
General Purpose O-Rings - 305x4 mm - Black Nitrile Rubber Bulk - Nitrile NBR, BUNA-N O-Ring
Inside Diameter (ID)
305.00
mm

(Equiv. 12.008 in.)
Section (t)
4.00
mm

(Equiv. 0.157 in.)
Colour
Black

Hardness
Duro 70
General Purpose O-Rings - 305x4 mm - Black Nitrile Rubber Bulk - Nitrile NBR, BUNA-N O-Ring
Material: Nitrile (NBR, BUNA-N)   
Part Number: ORB-30500-400-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 - 305x5 mm - Black Nitrile Rubber Bulk - Nitrile NBR, BUNA-N O-Ring
Inside Diameter (ID)
305.00
mm

(Equiv. 12.008 in.)
Section (t)
5.00
mm

(Equiv. 0.197 in.)
Colour
Black

Hardness
Duro 70
General Purpose O-Rings - 305x5 mm - Black Nitrile Rubber Bulk - Nitrile NBR, BUNA-N O-Ring
Material: Nitrile (NBR, BUNA-N)   
Part Number: ORB-30500-500-N70 (PK-100)
Out of Stock | Backorder Now | Orders can be expected around Wed, Feb 25, 2026
Regular price $1,138.50 AUD
Regular price Sale price $1,138.50 AUD
Priced, Stocked and Sold Per 100 Units
Excludes GST and overseas Taxes & Duties
Quantity Required

Backorder: Out of Stock.
General Purpose O-Rings - 305x5 mm - Black Nitrile Rubber Bulk - Nitrile NBR, BUNA-N O-Ring
Inside Diameter (ID)
305.00
mm

(Equiv. 12.008 in.)
Section (t)
5.00
mm

(Equiv. 0.197 in.)
Colour
Black

Hardness
Duro 70
General Purpose O-Rings - 305x5 mm - Black Nitrile Rubber Bulk - Nitrile NBR, BUNA-N O-Ring
Material: Nitrile (NBR, BUNA-N)   
Part Number: ORB-30500-500-N70 (PK-100)
Out of Stock | Backorder Now | Orders can be expected around Wed, Feb 25, 2026
Regular price $1,138.50 AUD
Regular price Sale price $1,138.50 AUD
Priced, Stocked and Sold Per 100 Units
Excludes GST and overseas Taxes & Duties
Quantity Required

Backorder: Out of Stock.
General Purpose O-Rings - 305x6 mm - Black Nitrile Rubber Bulk - Nitrile NBR, BUNA-N O-Ring
Inside Diameter (ID)
305.00
mm

(Equiv. 12.008 in.)
Section (t)
6.00
mm

(Equiv. 0.236 in.)
Colour
Black

Hardness
Duro 70
General Purpose O-Rings - 305x6 mm - Black Nitrile Rubber Bulk - Nitrile NBR, BUNA-N O-Ring
Material: Nitrile (NBR, BUNA-N)   
Part Number: ORB-30500-600-N70 (PK-70)
Out of Stock | Backorder Now | Orders can be expected around Wed, Feb 25, 2026
Regular price $1,290.86 AUD
Regular price Sale price $1,290.86 AUD
Priced, Stocked and Sold Per 70 Units
Excludes GST and overseas Taxes & Duties
Quantity Required

Backorder: Out of Stock.
General Purpose O-Rings - 305x6 mm - Black Nitrile Rubber Bulk - Nitrile NBR, BUNA-N O-Ring
Inside Diameter (ID)
305.00
mm

(Equiv. 12.008 in.)
Section (t)
6.00
mm

(Equiv. 0.236 in.)
Colour
Black

Hardness
Duro 70
General Purpose O-Rings - 305x6 mm - Black Nitrile Rubber Bulk - Nitrile NBR, BUNA-N O-Ring
Material: Nitrile (NBR, BUNA-N)   
Part Number: ORB-30500-600-N70 (PK-70)
Out of Stock | Backorder Now | Orders can be expected around Wed, Feb 25, 2026
Regular price $1,290.86 AUD
Regular price Sale price $1,290.86 AUD
Priced, Stocked and Sold Per 70 Units
Excludes GST and overseas Taxes & Duties
Quantity Required

Backorder: Out of Stock.
General Purpose O-Rings - 306x3.5 mm - Black Nitrile Rubber Bulk - Nitrile NBR, BUNA-N O-Ring
Inside Diameter (ID)
306.00
mm

(Equiv. 12.047 in.)
Section (t)
3.50
mm

(Equiv. 0.138 in.)
Colour
Black

Hardness
Duro 70
General Purpose O-Rings - 306x3.5 mm - Black Nitrile Rubber Bulk - Nitrile NBR, BUNA-N O-Ring
Material: Nitrile (NBR, BUNA-N)   
Part Number: ORB-30600-350-N70 (Each)
Contact Us | Special Order Only - Please contact us if you need a large quantity
General Purpose O-Rings - 306x3.5 mm - Black Nitrile Rubber Bulk - Nitrile NBR, BUNA-N O-Ring
Inside Diameter (ID)
306.00
mm

(Equiv. 12.047 in.)
Section (t)
3.50
mm

(Equiv. 0.138 in.)
Colour
Black

Hardness
Duro 70
General Purpose O-Rings - 306x3.5 mm - Black Nitrile Rubber Bulk - Nitrile NBR, BUNA-N O-Ring
Material: Nitrile (NBR, BUNA-N)   
Part Number: ORB-30600-350-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 - 306x4 mm - Black Nitrile Rubber Bulk - Nitrile NBR, BUNA-N O-Ring
Inside Diameter (ID)
306.00
mm

(Equiv. 12.047 in.)
Section (t)
4.00
mm

(Equiv. 0.157 in.)
Colour
Black

Hardness
Duro 70
General Purpose O-Rings - 306x4 mm - Black Nitrile Rubber Bulk - Nitrile NBR, BUNA-N O-Ring
Material: Nitrile (NBR, BUNA-N)   
Part Number: ORB-30600-400-N70 (Each)
Contact Us | Special Order Only - Please contact us if you need a large quantity
General Purpose O-Rings - 306x4 mm - Black Nitrile Rubber Bulk - Nitrile NBR, BUNA-N O-Ring
Inside Diameter (ID)
306.00
mm

(Equiv. 12.047 in.)
Section (t)
4.00
mm

(Equiv. 0.157 in.)
Colour
Black

Hardness
Duro 70
General Purpose O-Rings - 306x4 mm - Black Nitrile Rubber Bulk - Nitrile NBR, BUNA-N O-Ring
Material: Nitrile (NBR, BUNA-N)   
Part Number: ORB-30600-400-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 - 306x5 mm - Black Nitrile Rubber Bulk - Nitrile NBR, BUNA-N O-Ring
Inside Diameter (ID)
306.00
mm

(Equiv. 12.047 in.)
Section (t)
5.00
mm

(Equiv. 0.197 in.)
Colour
Black

Hardness
Duro 70
General Purpose O-Rings - 306x5 mm - Black Nitrile Rubber Bulk - Nitrile NBR, BUNA-N O-Ring
Material: Nitrile (NBR, BUNA-N)   
Part Number: ORB-30600-500-N70 (Each)
Contact Us | Special Order Only - Please contact us if you need a large quantity
General Purpose O-Rings - 306x5 mm - Black Nitrile Rubber Bulk - Nitrile NBR, BUNA-N O-Ring
Inside Diameter (ID)
306.00
mm

(Equiv. 12.047 in.)
Section (t)
5.00
mm

(Equiv. 0.197 in.)
Colour
Black

Hardness
Duro 70
General Purpose O-Rings - 306x5 mm - Black Nitrile Rubber Bulk - Nitrile NBR, BUNA-N O-Ring
Material: Nitrile (NBR, BUNA-N)   
Part Number: ORB-30600-500-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 - 307x3.5 mm - Black Nitrile Rubber Bulk - Nitrile NBR, BUNA-N O-Ring
Inside Diameter (ID)
307.00
mm

(Equiv. 12.087 in.)
Section (t)
3.50
mm

(Equiv. 0.138 in.)
Colour
Black

Hardness
Duro 70
General Purpose O-Rings - 307x3.5 mm - Black Nitrile Rubber Bulk - Nitrile NBR, BUNA-N O-Ring
Material: Nitrile (NBR, BUNA-N)   
Part Number: ORB-30700-350-N70 (Each)
Contact Us | Special Order Only - Please contact us if you need a large quantity
General Purpose O-Rings - 307x3.5 mm - Black Nitrile Rubber Bulk - Nitrile NBR, BUNA-N O-Ring
Inside Diameter (ID)
307.00
mm

(Equiv. 12.087 in.)
Section (t)
3.50
mm

(Equiv. 0.138 in.)
Colour
Black

Hardness
Duro 70
General Purpose O-Rings - 307x3.5 mm - Black Nitrile Rubber Bulk - Nitrile NBR, BUNA-N O-Ring
Material: Nitrile (NBR, BUNA-N)   
Part Number: ORB-30700-350-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 - 307x4 mm - Black Nitrile Rubber Bulk - Nitrile NBR, BUNA-N O-Ring
Inside Diameter (ID)
307.00
mm

(Equiv. 12.087 in.)
Section (t)
4.00
mm

(Equiv. 0.157 in.)
Colour
Black

Hardness
Duro 70
General Purpose O-Rings - 307x4 mm - Black Nitrile Rubber Bulk - Nitrile NBR, BUNA-N O-Ring
Material: Nitrile (NBR, BUNA-N)   
Part Number: ORB-30700-400-N70 (PK-310)
Out of Stock | Backorder Now | Orders can be expected around Wed, Feb 25, 2026
Regular price $1,482.68 AUD
Regular price Sale price $1,482.68 AUD
Priced, Stocked and Sold Per 310 Units
Excludes GST and overseas Taxes & Duties
Quantity Required

Backorder: Out of Stock.
General Purpose O-Rings - 307x4 mm - Black Nitrile Rubber Bulk - Nitrile NBR, BUNA-N O-Ring
Inside Diameter (ID)
307.00
mm

(Equiv. 12.087 in.)
Section (t)
4.00
mm

(Equiv. 0.157 in.)
Colour
Black

Hardness
Duro 70
General Purpose O-Rings - 307x4 mm - Black Nitrile Rubber Bulk - Nitrile NBR, BUNA-N O-Ring
Material: Nitrile (NBR, BUNA-N)   
Part Number: ORB-30700-400-N70 (PK-310)
Out of Stock | Backorder Now | Orders can be expected around Wed, Feb 25, 2026
Regular price $1,482.68 AUD
Regular price Sale price $1,482.68 AUD
Priced, Stocked and Sold Per 310 Units
Excludes GST and overseas Taxes & Duties
Quantity Required

Backorder: Out of Stock.
General Purpose O-Rings - 307x5 mm - Black Nitrile Rubber Bulk - Nitrile NBR, BUNA-N O-Ring
Inside Diameter (ID)
307.00
mm

(Equiv. 12.087 in.)
Section (t)
5.00
mm

(Equiv. 0.197 in.)
Colour
Black

Hardness
Duro 70
General Purpose O-Rings - 307x5 mm - Black Nitrile Rubber Bulk - Nitrile NBR, BUNA-N O-Ring
Material: Nitrile (NBR, BUNA-N)   
Part Number: ORB-30700-500-N70 (PK-100)
Out of Stock | Backorder Now | Orders can be expected around Wed, Feb 25, 2026
Regular price $1,094.86 AUD
Regular price Sale price $1,094.86 AUD
Priced, Stocked and Sold Per 100 Units
Excludes GST and overseas Taxes & Duties
Quantity Required

Backorder: Out of Stock.
General Purpose O-Rings - 307x5 mm - Black Nitrile Rubber Bulk - Nitrile NBR, BUNA-N O-Ring
Inside Diameter (ID)
307.00
mm

(Equiv. 12.087 in.)
Section (t)
5.00
mm

(Equiv. 0.197 in.)
Colour
Black

Hardness
Duro 70
General Purpose O-Rings - 307x5 mm - Black Nitrile Rubber Bulk - Nitrile NBR, BUNA-N O-Ring
Material: Nitrile (NBR, BUNA-N)   
Part Number: ORB-30700-500-N70 (PK-100)
Out of Stock | Backorder Now | Orders can be expected around Wed, Feb 25, 2026
Regular price $1,094.86 AUD
Regular price Sale price $1,094.86 AUD
Priced, Stocked and Sold Per 100 Units
Excludes GST and overseas Taxes & Duties
Quantity Required

Backorder: Out of Stock.
General Purpose O-Rings - 307x7 mm - Black Nitrile Rubber Bulk - Nitrile NBR, BUNA-N O-Ring
Inside Diameter (ID)
307.00
mm

(Equiv. 12.087 in.)
Section (t)
7.00
mm

(Equiv. 0.276 in.)
Colour
Black

Hardness
Duro 70
General Purpose O-Rings - 307x7 mm - Black Nitrile Rubber Bulk - Nitrile NBR, BUNA-N O-Ring
Material: Nitrile (NBR, BUNA-N)   
Part Number: ORB-30700-700-N70 (PK-100)
Out of Stock | Backorder Now | Orders can be expected around Wed, Feb 25, 2026
Regular price $1,769.41 AUD
Regular price Sale price $1,769.41 AUD
Priced, Stocked and Sold Per 100 Units
Excludes GST and overseas Taxes & Duties
Quantity Required

Backorder: Out of Stock.
General Purpose O-Rings - 307x7 mm - Black Nitrile Rubber Bulk - Nitrile NBR, BUNA-N O-Ring
Inside Diameter (ID)
307.00
mm

(Equiv. 12.087 in.)
Section (t)
7.00
mm

(Equiv. 0.276 in.)
Colour
Black

Hardness
Duro 70
General Purpose O-Rings - 307x7 mm - Black Nitrile Rubber Bulk - Nitrile NBR, BUNA-N O-Ring
Material: Nitrile (NBR, BUNA-N)   
Part Number: ORB-30700-700-N70 (PK-100)
Out of Stock | Backorder Now | Orders can be expected around Wed, Feb 25, 2026
Regular price $1,769.41 AUD
Regular price Sale price $1,769.41 AUD
Priced, Stocked and Sold Per 100 Units
Excludes GST and overseas Taxes & Duties
Quantity Required

Backorder: Out of Stock.