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 - 123x2.5 mm - Black Nitrile Rubber Packs - Nitrile NBR, BUNA-N O-Ring
Inside Diameter (ID)
123.00
mm

(Equiv. 4.843 in.)
Section (t)
2.50
mm

(Equiv. 0.098 in.)
Colour
Black

Hardness
Duro 70
General Purpose O-Rings - 123x2.5 mm - Black Nitrile Rubber - Nitrile NBR, BUNA-N O-Ring
Material: Nitrile (NBR, BUNA-N)   
Part Number: OR-12300-250-N70 (PK-50)
Out of Stock | Backorder Now | Orders can be expected around Fri, Feb 27, 2026
Regular price $181.95 AUD
Regular price Sale price $181.95 AUD
Priced, Stocked and Sold Per 50 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 - 123x2.5 mm - Black Nitrile Rubber Packs - Nitrile NBR, BUNA-N O-Ring
Inside Diameter (ID)
123.00
mm

(Equiv. 4.843 in.)
Section (t)
2.50
mm

(Equiv. 0.098 in.)
Colour
Black

Hardness
Duro 70
General Purpose O-Rings - 123x2.5 mm - Black Nitrile Rubber - Nitrile NBR, BUNA-N O-Ring
Material: Nitrile (NBR, BUNA-N)   
Part Number: OR-12300-250-N70 (PK-50)
Out of Stock | Backorder Now | Orders can be expected around Fri, Feb 27, 2026
Regular price $181.95 AUD
Regular price Sale price $181.95 AUD
Priced, Stocked and Sold Per 50 Units
Excludes GST and overseas Taxes & Duties
Quantity Required

Backorder: Out of Stock.
General Purpose O-Rings - 123x3 mm - Black Nitrile Rubber Packs - Nitrile NBR, BUNA-N O-Ring
Inside Diameter (ID)
123.00
mm

(Equiv. 4.843 in.)
Section (t)
3.00
mm

(Equiv. 0.118 in.)
Colour
Black

Hardness
Duro 70
General Purpose O-Rings - 123x3 mm - Black Nitrile Rubber - Nitrile NBR, BUNA-N O-Ring
Material: Nitrile (NBR, BUNA-N)   
Part Number: OR-12300-300-N70 (PK-5)
Out of Stock | Backorder Now | Orders can be expected around Fri, Feb 06, 2026
Regular price $30.95 AUD
Regular price Sale price $30.95 AUD
Priced, Stocked and Sold Per 5 Units
Excludes GST and overseas Taxes & Duties
Quantity Required

Backorder: Out of Stock.
General Purpose O-Rings - 123x3 mm - Black Nitrile Rubber Packs - Nitrile NBR, BUNA-N O-Ring
Inside Diameter (ID)
123.00
mm

(Equiv. 4.843 in.)
Section (t)
3.00
mm

(Equiv. 0.118 in.)
Colour
Black

Hardness
Duro 70
General Purpose O-Rings - 123x3 mm - Black Nitrile Rubber - Nitrile NBR, BUNA-N O-Ring
Material: Nitrile (NBR, BUNA-N)   
Part Number: OR-12300-300-N70 (PK-5)
Out of Stock | Backorder Now | Orders can be expected around Fri, Feb 06, 2026
Regular price $30.95 AUD
Regular price Sale price $30.95 AUD
Priced, Stocked and Sold Per 5 Units
Excludes GST and overseas Taxes & Duties
Quantity Required

Backorder: Out of Stock.
General Purpose O-Rings - 123x3.5 mm - Black Nitrile Rubber Packs - Nitrile NBR, BUNA-N O-Ring
Inside Diameter (ID)
123.00
mm

(Equiv. 4.843 in.)
Section (t)
3.50
mm

(Equiv. 0.138 in.)
Colour
Black

Hardness
Duro 70
General Purpose O-Rings - 123x3.5 mm - Black Nitrile Rubber - Nitrile NBR, BUNA-N O-Ring
Material: Nitrile (NBR, BUNA-N)   
Part Number: OR-12300-350-N70 (PK-2)
Out of Stock | Backorder Now | Orders can be expected around Fri, Feb 06, 2026
Regular price $43.86 AUD
Regular price Sale price $43.86 AUD
Priced, Stocked and Sold Per 2 Units
Excludes GST and overseas Taxes & Duties
Quantity Required

Backorder: Out of Stock.
General Purpose O-Rings - 123x3.5 mm - Black Nitrile Rubber Packs - Nitrile NBR, BUNA-N O-Ring
Inside Diameter (ID)
123.00
mm

(Equiv. 4.843 in.)
Section (t)
3.50
mm

(Equiv. 0.138 in.)
Colour
Black

Hardness
Duro 70
General Purpose O-Rings - 123x3.5 mm - Black Nitrile Rubber - Nitrile NBR, BUNA-N O-Ring
Material: Nitrile (NBR, BUNA-N)   
Part Number: OR-12300-350-N70 (PK-2)
Out of Stock | Backorder Now | Orders can be expected around Fri, Feb 06, 2026
Regular price $43.86 AUD
Regular price Sale price $43.86 AUD
Priced, Stocked and Sold Per 2 Units
Excludes GST and overseas Taxes & Duties
Quantity Required

Backorder: Out of Stock.
General Purpose O-Rings - 123x4 mm - Black Nitrile Rubber Packs - Nitrile NBR, BUNA-N O-Ring
Inside Diameter (ID)
123.00
mm

(Equiv. 4.843 in.)
Section (t)
4.00
mm

(Equiv. 0.157 in.)
Colour
Black

Hardness
Duro 70
General Purpose O-Rings - 123x4 mm - Black Nitrile Rubber - Nitrile NBR, BUNA-N O-Ring
Material: Nitrile (NBR, BUNA-N)   
Part Number: OR-12300-400-N70 (PK-100)
Contact Us | Special Order Only - Please contact us if you need a large quantity
General Purpose O-Rings - 123x4 mm - Black Nitrile Rubber Packs - Nitrile NBR, BUNA-N O-Ring
Inside Diameter (ID)
123.00
mm

(Equiv. 4.843 in.)
Section (t)
4.00
mm

(Equiv. 0.157 in.)
Colour
Black

Hardness
Duro 70
General Purpose O-Rings - 123x4 mm - Black Nitrile Rubber - Nitrile NBR, BUNA-N O-Ring
Material: Nitrile (NBR, BUNA-N)   
Part Number: OR-12300-400-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 - 123x5 mm - Black Nitrile Rubber Packs - Nitrile NBR, BUNA-N O-Ring
Inside Diameter (ID)
123.00
mm

(Equiv. 4.843 in.)
Section (t)
5.00
mm

(Equiv. 0.197 in.)
Colour
Black

Hardness
Duro 70
General Purpose O-Rings - 123x5 mm - Black Nitrile Rubber - Nitrile NBR, BUNA-N O-Ring
Material: Nitrile (NBR, BUNA-N)   
Part Number: OR-12300-500-N70 (PK-30)
Out of Stock | Backorder Now | Orders can be expected around Fri, Feb 27, 2026
Regular price $270.50 AUD
Regular price Sale price $270.50 AUD
Priced, Stocked and Sold Per 30 Units
Excludes GST and overseas Taxes & Duties
Quantity Required

Backorder: Out of Stock.
General Purpose O-Rings - 123x5 mm - Black Nitrile Rubber Packs - Nitrile NBR, BUNA-N O-Ring
Inside Diameter (ID)
123.00
mm

(Equiv. 4.843 in.)
Section (t)
5.00
mm

(Equiv. 0.197 in.)
Colour
Black

Hardness
Duro 70
General Purpose O-Rings - 123x5 mm - Black Nitrile Rubber - Nitrile NBR, BUNA-N O-Ring
Material: Nitrile (NBR, BUNA-N)   
Part Number: OR-12300-500-N70 (PK-30)
Out of Stock | Backorder Now | Orders can be expected around Fri, Feb 27, 2026
Regular price $270.50 AUD
Regular price Sale price $270.50 AUD
Priced, Stocked and Sold Per 30 Units
Excludes GST and overseas Taxes & Duties
Quantity Required

Backorder: Out of Stock.
General Purpose O-Rings - 123x6 mm - Black Nitrile Rubber Packs - Nitrile NBR, BUNA-N O-Ring
Inside Diameter (ID)
123.00
mm

(Equiv. 4.843 in.)
Section (t)
6.00
mm

(Equiv. 0.236 in.)
Colour
Black

Hardness
Duro 70
General Purpose O-Rings - 123x6 mm - Black Nitrile Rubber - Nitrile NBR, BUNA-N O-Ring
Material: Nitrile (NBR, BUNA-N)   
Part Number: OR-12300-600-N70 (PK-40)
Out of Stock | Backorder Now | Orders can be expected around Fri, Feb 27, 2026
Regular price $624.95 AUD
Regular price Sale price $624.95 AUD
Priced, Stocked and Sold Per 40 Units
Excludes GST and overseas Taxes & Duties
Quantity Required

Backorder: Out of Stock.
General Purpose O-Rings - 123x6 mm - Black Nitrile Rubber Packs - Nitrile NBR, BUNA-N O-Ring
Inside Diameter (ID)
123.00
mm

(Equiv. 4.843 in.)
Section (t)
6.00
mm

(Equiv. 0.236 in.)
Colour
Black

Hardness
Duro 70
General Purpose O-Rings - 123x6 mm - Black Nitrile Rubber - Nitrile NBR, BUNA-N O-Ring
Material: Nitrile (NBR, BUNA-N)   
Part Number: OR-12300-600-N70 (PK-40)
Out of Stock | Backorder Now | Orders can be expected around Fri, Feb 27, 2026
Regular price $624.95 AUD
Regular price Sale price $624.95 AUD
Priced, Stocked and Sold Per 40 Units
Excludes GST and overseas Taxes & Duties
Quantity Required

Backorder: Out of Stock.
General Purpose O-Rings - 123.19x5.33 mm - Black Nitrile Rubber Packs - Nitrile NBR, BUNA-N O-Ring
Inside Diameter (ID)
123.19
mm

(Equiv. 4.85 in.)
Section (t)
5.33
mm

(Equiv. 0.21 in.)
Colour
Black

Hardness
Duro 70
General Purpose O-Rings - 123.19x5.33 mm - Black Nitrile Rubber - Nitrile NBR, BUNA-N O-Ring
Material: Nitrile (NBR, BUNA-N)   
Part Number: OR-12319-533-N70-352 (Each)
16 Available Now | Further orders can be expected around Fri, Feb 06, 2026
Regular price $7.59 AUD
Regular price Sale price $7.59 AUD
Each
Excludes GST and overseas Taxes & Duties
Quantity Required

Larger quantities than the 16 available can be backordered.
General Purpose O-Rings - 123.19x5.33 mm - Black Nitrile Rubber Packs - Nitrile NBR, BUNA-N O-Ring
Inside Diameter (ID)
123.19
mm

(Equiv. 4.85 in.)
Section (t)
5.33
mm

(Equiv. 0.21 in.)
Colour
Black

Hardness
Duro 70
General Purpose O-Rings - 123.19x5.33 mm - Black Nitrile Rubber - Nitrile NBR, BUNA-N O-Ring
Material: Nitrile (NBR, BUNA-N)   
Part Number: OR-12319-533-N70-352 (Each)
16 Available Now | Further orders can be expected around Fri, Feb 06, 2026
Regular price $7.59 AUD
Regular price Sale price $7.59 AUD
Each
Excludes GST and overseas Taxes & Duties
Quantity Required

16 Available Now. Backorder if more than 16.
General Purpose O-Rings - 123.19x5.33 mm - Black Nitrile Rubber Packs - Nitrile NBR, BUNA-N O-Ring
Inside Diameter (ID)
123.19
mm

(Equiv. 4.85 in.)
Section (t)
5.33
mm

(Equiv. 0.21 in.)
Colour
Black

Hardness
Duro 90
General Purpose O-Rings - 123.19x5.33 mm - Black Nitrile Rubber - Nitrile NBR, BUNA-N O-Ring
Material: Nitrile (NBR, BUNA-N)   
Part Number: OR-12319-533-N90-352 (PK-100)
Contact Us | Special Order Only - Please contact us if you need a large quantity
General Purpose O-Rings - 123.19x5.33 mm - Black Nitrile Rubber Packs - Nitrile NBR, BUNA-N O-Ring
Inside Diameter (ID)
123.19
mm

(Equiv. 4.85 in.)
Section (t)
5.33
mm

(Equiv. 0.21 in.)
Colour
Black

Hardness
Duro 90
General Purpose O-Rings - 123.19x5.33 mm - Black Nitrile Rubber - Nitrile NBR, BUNA-N O-Ring
Material: Nitrile (NBR, BUNA-N)   
Part Number: OR-12319-533-N90-352 (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 - 123.19x6.99 mm - Black Nitrile Rubber Packs - Nitrile NBR, BUNA-N O-Ring
Inside Diameter (ID)
123.19
mm

(Equiv. 4.85 in.)
Section (t)
6.99
mm

(Equiv. 0.275 in.)
Colour
Black

Hardness
Duro 70
General Purpose O-Rings - 123.19x6.99 mm - Black Nitrile Rubber - Nitrile NBR, BUNA-N O-Ring
Material: Nitrile (NBR, BUNA-N)   
Part Number: OR-12319-699-N70-428 (PK-5)
Out of Stock | Backorder Now | Orders can be expected around Fri, Feb 06, 2026
Regular price $35.59 AUD
Regular price Sale price $35.59 AUD
Priced, Stocked and Sold Per 5 Units
Excludes GST and overseas Taxes & Duties
Quantity Required

Backorder: Out of Stock.
General Purpose O-Rings - 123.19x6.99 mm - Black Nitrile Rubber Packs - Nitrile NBR, BUNA-N O-Ring
Inside Diameter (ID)
123.19
mm

(Equiv. 4.85 in.)
Section (t)
6.99
mm

(Equiv. 0.275 in.)
Colour
Black

Hardness
Duro 70
General Purpose O-Rings - 123.19x6.99 mm - Black Nitrile Rubber - Nitrile NBR, BUNA-N O-Ring
Material: Nitrile (NBR, BUNA-N)   
Part Number: OR-12319-699-N70-428 (PK-5)
Out of Stock | Backorder Now | Orders can be expected around Fri, Feb 06, 2026
Regular price $35.59 AUD
Regular price Sale price $35.59 AUD
Priced, Stocked and Sold Per 5 Units
Excludes GST and overseas Taxes & Duties
Quantity Required

Backorder: Out of Stock.
General Purpose O-Rings - 123.19x6.99 mm - Black Nitrile Rubber Packs - Nitrile NBR, BUNA-N O-Ring
Inside Diameter (ID)
123.19
mm

(Equiv. 4.85 in.)
Section (t)
6.99
mm

(Equiv. 0.275 in.)
Colour
Black

Hardness
Duro 90
General Purpose O-Rings - 123.19x6.99 mm - Black Nitrile Rubber - Nitrile NBR, BUNA-N O-Ring
Material: Nitrile (NBR, BUNA-N)   
Part Number: OR-12319-699-N90-428 (PK-10)
Out of Stock | Backorder Now | Orders can be expected around Fri, Feb 27, 2026
Regular price $279.68 AUD
Regular price Sale price $279.68 AUD
Priced, Stocked and Sold Per 10 Units
Excludes GST and overseas Taxes & Duties
Quantity Required

Backorder: Out of Stock.
General Purpose O-Rings - 123.19x6.99 mm - Black Nitrile Rubber Packs - Nitrile NBR, BUNA-N O-Ring
Inside Diameter (ID)
123.19
mm

(Equiv. 4.85 in.)
Section (t)
6.99
mm

(Equiv. 0.275 in.)
Colour
Black

Hardness
Duro 90
General Purpose O-Rings - 123.19x6.99 mm - Black Nitrile Rubber - Nitrile NBR, BUNA-N O-Ring
Material: Nitrile (NBR, BUNA-N)   
Part Number: OR-12319-699-N90-428 (PK-10)
Out of Stock | Backorder Now | Orders can be expected around Fri, Feb 27, 2026
Regular price $279.68 AUD
Regular price Sale price $279.68 AUD
Priced, Stocked and Sold Per 10 Units
Excludes GST and overseas Taxes & Duties
Quantity Required

Backorder: Out of Stock.
General Purpose O-Rings - 123.42x3.53 mm - Black Nitrile Rubber Packs - Nitrile NBR, BUNA-N O-Ring
Inside Diameter (ID)
123.42
mm

(Equiv. 4.859 in.)
Section (t)
3.53
mm

(Equiv. 0.139 in.)
Colour
Black

Hardness
Duro 70
General Purpose O-Rings - 123.42x3.53 mm - Black Nitrile Rubber - Nitrile NBR, BUNA-N O-Ring
Material: Nitrile (NBR, BUNA-N)   
Part Number: OR-12342-353-N70-249 (PK-2)
10 units (20 pcs) Available Now | Further orders can be expected around Fri, Feb 27, 2026
Regular price $9.86 AUD
Regular price Sale price $9.86 AUD
Priced, Stocked and Sold Per 2 Units
Excludes GST and overseas Taxes & Duties
Quantity Required

Larger quantities than the 10 available can be backordered.
General Purpose O-Rings - 123.42x3.53 mm - Black Nitrile Rubber Packs - Nitrile NBR, BUNA-N O-Ring
Inside Diameter (ID)
123.42
mm

(Equiv. 4.859 in.)
Section (t)
3.53
mm

(Equiv. 0.139 in.)
Colour
Black

Hardness
Duro 70
General Purpose O-Rings - 123.42x3.53 mm - Black Nitrile Rubber - Nitrile NBR, BUNA-N O-Ring
Material: Nitrile (NBR, BUNA-N)   
Part Number: OR-12342-353-N70-249 (PK-2)
10 units (20 pcs) Available Now | Further orders can be expected around Fri, Feb 27, 2026
Regular price $9.86 AUD
Regular price Sale price $9.86 AUD
Priced, Stocked and Sold Per 2 Units
Excludes GST and overseas Taxes & Duties
Quantity Required

10 units (20 pcs) Available Now. Backorder if more than 10.
General Purpose O-Rings - 123.42x3.53 mm - Black Nitrile Rubber Packs - Nitrile NBR, BUNA-N O-Ring
Inside Diameter (ID)
123.42
mm

(Equiv. 4.859 in.)
Section (t)
3.53
mm

(Equiv. 0.139 in.)
Colour
Black

Hardness
Duro 90
General Purpose O-Rings - 123.42x3.53 mm - Black Nitrile Rubber - Nitrile NBR, BUNA-N O-Ring
Material: Nitrile (NBR, BUNA-N)   
Part Number: OR-12342-353-N90-249 (PK-20)
Out of Stock | Backorder Now | Orders can be expected around Fri, Feb 27, 2026
Regular price $171.68 AUD
Regular price Sale price $171.68 AUD
Priced, Stocked and Sold Per 20 Units
Excludes GST and overseas Taxes & Duties
Quantity Required

Backorder: Out of Stock.
General Purpose O-Rings - 123.42x3.53 mm - Black Nitrile Rubber Packs - Nitrile NBR, BUNA-N O-Ring
Inside Diameter (ID)
123.42
mm

(Equiv. 4.859 in.)
Section (t)
3.53
mm

(Equiv. 0.139 in.)
Colour
Black

Hardness
Duro 90
General Purpose O-Rings - 123.42x3.53 mm - Black Nitrile Rubber - Nitrile NBR, BUNA-N O-Ring
Material: Nitrile (NBR, BUNA-N)   
Part Number: OR-12342-353-N90-249 (PK-20)
Out of Stock | Backorder Now | Orders can be expected around Fri, Feb 27, 2026
Regular price $171.68 AUD
Regular price Sale price $171.68 AUD
Priced, Stocked and Sold Per 20 Units
Excludes GST and overseas Taxes & Duties
Quantity Required

Backorder: Out of Stock.
General Purpose O-Rings - 123.44x1.78 mm - Black Nitrile Rubber Packs - Nitrile NBR, BUNA-N O-Ring
Inside Diameter (ID)
123.44
mm

(Equiv. 4.86 in.)
Section (t)
1.78
mm

(Equiv. 0.07 in.)
Colour
Black

Hardness
Duro 70
General Purpose O-Rings - 123.44x1.78 mm - Black Nitrile Rubber - Nitrile NBR, BUNA-N O-Ring
Material: Nitrile (NBR, BUNA-N)   
Part Number: OR-12344-178-N70-546 (PK-100)
Contact Us | Special Order Only - Please contact us if you need a large quantity
General Purpose O-Rings - 123.44x1.78 mm - Black Nitrile Rubber Packs - Nitrile NBR, BUNA-N O-Ring
Inside Diameter (ID)
123.44
mm

(Equiv. 4.86 in.)
Section (t)
1.78
mm

(Equiv. 0.07 in.)
Colour
Black

Hardness
Duro 70
General Purpose O-Rings - 123.44x1.78 mm - Black Nitrile Rubber - Nitrile NBR, BUNA-N O-Ring
Material: Nitrile (NBR, BUNA-N)   
Part Number: OR-12344-178-N70-546 (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 - 123.83x5.33 mm - Black Nitrile Rubber Packs - Nitrile NBR, BUNA-N O-Ring
Inside Diameter (ID)
123.83
mm

(Equiv. 4.875 in.)
Section (t)
5.33
mm

(Equiv. 0.21 in.)
Colour
Black

Hardness
Duro 70
General Purpose O-Rings - 123.83x5.33 mm - Black Nitrile Rubber - Nitrile NBR, BUNA-N O-Ring
Material: Nitrile (NBR, BUNA-N)   
Part Number: OR-12383-533-N70-862 (PK-20)
Out of Stock | Backorder Now | Orders can be expected around Fri, Feb 27, 2026
Regular price $314.95 AUD
Regular price Sale price $314.95 AUD
Priced, Stocked and Sold Per 20 Units
Excludes GST and overseas Taxes & Duties
Quantity Required

Backorder: Out of Stock.
General Purpose O-Rings - 123.83x5.33 mm - Black Nitrile Rubber Packs - Nitrile NBR, BUNA-N O-Ring
Inside Diameter (ID)
123.83
mm

(Equiv. 4.875 in.)
Section (t)
5.33
mm

(Equiv. 0.21 in.)
Colour
Black

Hardness
Duro 70
General Purpose O-Rings - 123.83x5.33 mm - Black Nitrile Rubber - Nitrile NBR, BUNA-N O-Ring
Material: Nitrile (NBR, BUNA-N)   
Part Number: OR-12383-533-N70-862 (PK-20)
Out of Stock | Backorder Now | Orders can be expected around Fri, Feb 27, 2026
Regular price $314.95 AUD
Regular price Sale price $314.95 AUD
Priced, Stocked and Sold Per 20 Units
Excludes GST and overseas Taxes & Duties
Quantity Required

Backorder: Out of Stock.
General Purpose O-Rings - 124x2.5 mm - Black Nitrile Rubber Packs - Nitrile NBR, BUNA-N O-Ring
Inside Diameter (ID)
124.00
mm

(Equiv. 4.882 in.)
Section (t)
2.50
mm

(Equiv. 0.098 in.)
Colour
Black

Hardness
Duro 70
General Purpose O-Rings - 124x2.5 mm - Black Nitrile Rubber - Nitrile NBR, BUNA-N O-Ring
Material: Nitrile (NBR, BUNA-N)   
Part Number: OR-12400-250-N70 (PK-50)
Out of Stock | Backorder Now | Orders can be expected around Fri, Feb 27, 2026
Regular price $183.68 AUD
Regular price Sale price $183.68 AUD
Priced, Stocked and Sold Per 50 Units
Excludes GST and overseas Taxes & Duties
Quantity Required

Backorder: Out of Stock.
General Purpose O-Rings - 124x2.5 mm - Black Nitrile Rubber Packs - Nitrile NBR, BUNA-N O-Ring
Inside Diameter (ID)
124.00
mm

(Equiv. 4.882 in.)
Section (t)
2.50
mm

(Equiv. 0.098 in.)
Colour
Black

Hardness
Duro 70
General Purpose O-Rings - 124x2.5 mm - Black Nitrile Rubber - Nitrile NBR, BUNA-N O-Ring
Material: Nitrile (NBR, BUNA-N)   
Part Number: OR-12400-250-N70 (PK-50)
Out of Stock | Backorder Now | Orders can be expected around Fri, Feb 27, 2026
Regular price $183.68 AUD
Regular price Sale price $183.68 AUD
Priced, Stocked and Sold Per 50 Units
Excludes GST and overseas Taxes & Duties
Quantity Required

Backorder: Out of Stock.
General Purpose O-Rings - 124x3 mm - Black Nitrile Rubber Packs - Nitrile NBR, BUNA-N O-Ring
Inside Diameter (ID)
124.00
mm

(Equiv. 4.882 in.)
Section (t)
3.00
mm

(Equiv. 0.118 in.)
Colour
Black

Hardness
Duro 70
General Purpose O-Rings - 124x3 mm - Black Nitrile Rubber - Nitrile NBR, BUNA-N O-Ring
Material: Nitrile (NBR, BUNA-N)   
Part Number: OR-12400-300-N70 (PK-10)
Out of Stock | Backorder Now | Orders can be expected around Fri, Feb 06, 2026
Regular price $58.59 AUD
Regular price Sale price $58.59 AUD
Priced, Stocked and Sold Per 10 Units
Excludes GST and overseas Taxes & Duties
Quantity Required

Backorder: Out of Stock.
General Purpose O-Rings - 124x3 mm - Black Nitrile Rubber Packs - Nitrile NBR, BUNA-N O-Ring
Inside Diameter (ID)
124.00
mm

(Equiv. 4.882 in.)
Section (t)
3.00
mm

(Equiv. 0.118 in.)
Colour
Black

Hardness
Duro 70
General Purpose O-Rings - 124x3 mm - Black Nitrile Rubber - Nitrile NBR, BUNA-N O-Ring
Material: Nitrile (NBR, BUNA-N)   
Part Number: OR-12400-300-N70 (PK-10)
Out of Stock | Backorder Now | Orders can be expected around Fri, Feb 06, 2026
Regular price $58.59 AUD
Regular price Sale price $58.59 AUD
Priced, Stocked and Sold Per 10 Units
Excludes GST and overseas Taxes & Duties
Quantity Required

Backorder: Out of Stock.
General Purpose O-Rings - 124x3.5 mm - Black Nitrile Rubber Packs - Nitrile NBR, BUNA-N O-Ring
Inside Diameter (ID)
124.00
mm

(Equiv. 4.882 in.)
Section (t)
3.50
mm

(Equiv. 0.138 in.)
Colour
Black

Hardness
Duro 70
General Purpose O-Rings - 124x3.5 mm - Black Nitrile Rubber - Nitrile NBR, BUNA-N O-Ring
Material: Nitrile (NBR, BUNA-N)   
Part Number: OR-12400-350-N70 (PK-100)
Contact Us | Special Order Only - Please contact us if you need a large quantity
General Purpose O-Rings - 124x3.5 mm - Black Nitrile Rubber Packs - Nitrile NBR, BUNA-N O-Ring
Inside Diameter (ID)
124.00
mm

(Equiv. 4.882 in.)
Section (t)
3.50
mm

(Equiv. 0.138 in.)
Colour
Black

Hardness
Duro 70
General Purpose O-Rings - 124x3.5 mm - Black Nitrile Rubber - Nitrile NBR, BUNA-N O-Ring
Material: Nitrile (NBR, BUNA-N)   
Part Number: OR-12400-350-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 - 124x4 mm - Black Nitrile Rubber Packs - Nitrile NBR, BUNA-N O-Ring
Inside Diameter (ID)
124.00
mm

(Equiv. 4.882 in.)
Section (t)
4.00
mm

(Equiv. 0.157 in.)
Colour
Black

Hardness
Duro 70
General Purpose O-Rings - 124x4 mm - Black Nitrile Rubber - Nitrile NBR, BUNA-N O-Ring
Material: Nitrile (NBR, BUNA-N)   
Part Number: OR-12400-400-N70 (PK-100)
Contact Us | Special Order Only - Please contact us if you need a large quantity
General Purpose O-Rings - 124x4 mm - Black Nitrile Rubber Packs - Nitrile NBR, BUNA-N O-Ring
Inside Diameter (ID)
124.00
mm

(Equiv. 4.882 in.)
Section (t)
4.00
mm

(Equiv. 0.157 in.)
Colour
Black

Hardness
Duro 70
General Purpose O-Rings - 124x4 mm - Black Nitrile Rubber - Nitrile NBR, BUNA-N O-Ring
Material: Nitrile (NBR, BUNA-N)   
Part Number: OR-12400-400-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 - 124x5 mm - Black Nitrile Rubber Packs - Nitrile NBR, BUNA-N O-Ring
Inside Diameter (ID)
124.00
mm

(Equiv. 4.882 in.)
Section (t)
5.00
mm

(Equiv. 0.197 in.)
Colour
Black

Hardness
Duro 70
General Purpose O-Rings - 124x5 mm - Black Nitrile Rubber - Nitrile NBR, BUNA-N O-Ring
Material: Nitrile (NBR, BUNA-N)   
Part Number: OR-12400-500-N70 (PK-2)
Out of Stock | Backorder Now | Orders can be expected around Fri, Feb 06, 2026
Regular price $36.14 AUD
Regular price Sale price $36.14 AUD
Priced, Stocked and Sold Per 2 Units
Excludes GST and overseas Taxes & Duties
Quantity Required

Backorder: Out of Stock.
General Purpose O-Rings - 124x5 mm - Black Nitrile Rubber Packs - Nitrile NBR, BUNA-N O-Ring
Inside Diameter (ID)
124.00
mm

(Equiv. 4.882 in.)
Section (t)
5.00
mm

(Equiv. 0.197 in.)
Colour
Black

Hardness
Duro 70
General Purpose O-Rings - 124x5 mm - Black Nitrile Rubber - Nitrile NBR, BUNA-N O-Ring
Material: Nitrile (NBR, BUNA-N)   
Part Number: OR-12400-500-N70 (PK-2)
Out of Stock | Backorder Now | Orders can be expected around Fri, Feb 06, 2026
Regular price $36.14 AUD
Regular price Sale price $36.14 AUD
Priced, Stocked and Sold Per 2 Units
Excludes GST and overseas Taxes & Duties
Quantity Required

Backorder: Out of Stock.
General Purpose O-Rings - 124x4.5 mm - Black Nitrile Rubber Packs - Nitrile NBR, BUNA-N O-Ring
Inside Diameter (ID)
124.00
mm

(Equiv. 4.882 in.)
Section (t)
4.50
mm

(Equiv. 0.177 in.)
Colour
Black

Hardness
Duro 70
General Purpose O-Rings - 124x4.5 mm - Black Nitrile Rubber - Nitrile NBR, BUNA-N O-Ring
Material: Nitrile (NBR, BUNA-N)   
Part Number: OR-12400-450-N70 (PK-100)
Contact Us | Special Order Only - Please contact us if you need a large quantity
General Purpose O-Rings - 124x4.5 mm - Black Nitrile Rubber Packs - Nitrile NBR, BUNA-N O-Ring
Inside Diameter (ID)
124.00
mm

(Equiv. 4.882 in.)
Section (t)
4.50
mm

(Equiv. 0.177 in.)
Colour
Black

Hardness
Duro 70
General Purpose O-Rings - 124x4.5 mm - Black Nitrile Rubber - Nitrile NBR, BUNA-N O-Ring
Material: Nitrile (NBR, BUNA-N)   
Part Number: OR-12400-450-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 - 124x5.7 mm - Black Nitrile Rubber Packs - Nitrile NBR, BUNA-N O-Ring
Inside Diameter (ID)
124.00
mm

(Equiv. 4.882 in.)
Section (t)
5.70
mm

(Equiv. 0.224 in.)
Colour
Black

Hardness
Duro 70
General Purpose O-Rings - 124x5.7 mm - Black Nitrile Rubber - Nitrile NBR, BUNA-N O-Ring
Material: Nitrile (NBR, BUNA-N)   
Part Number: OR-12400-570-N70 (PK-100)
Contact Us | Special Order Only - Please contact us if you need a large quantity
General Purpose O-Rings - 124x5.7 mm - Black Nitrile Rubber Packs - Nitrile NBR, BUNA-N O-Ring
Inside Diameter (ID)
124.00
mm

(Equiv. 4.882 in.)
Section (t)
5.70
mm

(Equiv. 0.224 in.)
Colour
Black

Hardness
Duro 70
General Purpose O-Rings - 124x5.7 mm - Black Nitrile Rubber - Nitrile NBR, BUNA-N O-Ring
Material: Nitrile (NBR, BUNA-N)   
Part Number: OR-12400-570-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 - 124x6 mm - Black Nitrile Rubber Packs - Nitrile NBR, BUNA-N O-Ring
Inside Diameter (ID)
124.00
mm

(Equiv. 4.882 in.)
Section (t)
6.00
mm

(Equiv. 0.236 in.)
Colour
Black

Hardness
Duro 70
General Purpose O-Rings - 124x6 mm - Black Nitrile Rubber - Nitrile NBR, BUNA-N O-Ring
Material: Nitrile (NBR, BUNA-N)   
Part Number: OR-12400-600-N70 (PK-100)
Contact Us | Special Order Only - Please contact us if you need a large quantity
General Purpose O-Rings - 124x6 mm - Black Nitrile Rubber Packs - Nitrile NBR, BUNA-N O-Ring
Inside Diameter (ID)
124.00
mm

(Equiv. 4.882 in.)
Section (t)
6.00
mm

(Equiv. 0.236 in.)
Colour
Black

Hardness
Duro 70
General Purpose O-Rings - 124x6 mm - Black Nitrile Rubber - Nitrile NBR, BUNA-N O-Ring
Material: Nitrile (NBR, BUNA-N)   
Part Number: OR-12400-600-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 - 124.3x5.7 mm - Black Nitrile Rubber Packs - Nitrile NBR, BUNA-N O-Ring
Inside Diameter (ID)
124.30
mm

(Equiv. 4.894 in.)
Section (t)
5.70
mm

(Equiv. 0.224 in.)
Colour
Black

Hardness
Duro 70
General Purpose O-Rings - 124.3x5.7 mm - Black Nitrile Rubber - Nitrile NBR, BUNA-N O-Ring
Material: Nitrile (NBR, BUNA-N)   
Part Number: OR-12430-570-N70 (PK-100)
Contact Us | Special Order Only - Please contact us if you need a large quantity
General Purpose O-Rings - 124.3x5.7 mm - Black Nitrile Rubber Packs - Nitrile NBR, BUNA-N O-Ring
Inside Diameter (ID)
124.30
mm

(Equiv. 4.894 in.)
Section (t)
5.70
mm

(Equiv. 0.224 in.)
Colour
Black

Hardness
Duro 70
General Purpose O-Rings - 124.3x5.7 mm - Black Nitrile Rubber - Nitrile NBR, BUNA-N O-Ring
Material: Nitrile (NBR, BUNA-N)   
Part Number: OR-12430-570-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 - 124.5x3 mm - Black Nitrile Rubber Packs - Nitrile NBR, BUNA-N O-Ring
Inside Diameter (ID)
124.50
mm

(Equiv. 4.902 in.)
Section (t)
3.00
mm

(Equiv. 0.118 in.)
Colour
Black

Hardness
Duro 70
General Purpose O-Rings - 124.5x3 mm - Black Nitrile Rubber - Nitrile NBR, BUNA-N O-Ring
Material: Nitrile (NBR, BUNA-N)   
Part Number: OR-12450-300-N70 (PK-5)
Out of Stock | Backorder Now | Orders can be expected around Fri, Feb 06, 2026
Regular price $24.41 AUD
Regular price Sale price $24.41 AUD
Priced, Stocked and Sold Per 5 Units
Excludes GST and overseas Taxes & Duties
Quantity Required

Backorder: Out of Stock.
General Purpose O-Rings - 124.5x3 mm - Black Nitrile Rubber Packs - Nitrile NBR, BUNA-N O-Ring
Inside Diameter (ID)
124.50
mm

(Equiv. 4.902 in.)
Section (t)
3.00
mm

(Equiv. 0.118 in.)
Colour
Black

Hardness
Duro 70
General Purpose O-Rings - 124.5x3 mm - Black Nitrile Rubber - Nitrile NBR, BUNA-N O-Ring
Material: Nitrile (NBR, BUNA-N)   
Part Number: OR-12450-300-N70 (PK-5)
Out of Stock | Backorder Now | Orders can be expected around Fri, Feb 06, 2026
Regular price $24.41 AUD
Regular price Sale price $24.41 AUD
Priced, Stocked and Sold Per 5 Units
Excludes GST and overseas Taxes & Duties
Quantity Required

Backorder: Out of Stock.