Collection: O-Rings - General Purpose - Nitrile Rubber

O-Rings -> General Purpose -> Nitrile Rubber
Inside Diameter (ID) Section (t) Colour Hardness Special Applications Indicative
Image
Inside Diameter (ID)
43.00
mm

(Equiv. 1.693 in.)
Section (t)
3.50
mm

(Equiv. 0.138 in.)
Colour
Black

Hardness
Duro 70
General Purpose O-Rings - 43x3.5 mm - Black - Nitrile NBR, BUNA-N
Material: Nitrile (NBR, BUNA-N)   
Part Number: OR-04300-350-N70 (500 Pcs)
General Purpose O-Rings - 43x3.5 mm - Black Nitrile Rubber - Nitrile NBR, BUNA-N O-Ring
Out of Stock | Backorder Now | Orders can be expected around Fri, Jan 02, 2026
Regular price $507.50 AUD
Regular price Sale price $507.50 AUD
500 Per Sell Unit
Excludes GST and overseas Taxes & Duties
Quantity Required

Backorder: Out of Stock.
Inside Diameter (ID) Section (t) Colour Hardness Indicative
Image
Inside Diameter (ID)
43.00
mm

(Equiv. 1.693 in.)
Section (t)
3.50
mm

(Equiv. 0.138 in.)
Colour
Black

Hardness
Duro 70
General Purpose O-Rings - 43x3.5 mm - Black - Nitrile NBR, BUNA-N
Material: Nitrile (NBR, BUNA-N)   
Part Number: OR-04300-350-N70 (500 Pcs)
General Purpose O-Rings - 43x3.5 mm - Black Nitrile Rubber - Nitrile NBR, BUNA-N O-Ring
Out of Stock | Backorder Now | Orders can be expected around Fri, Jan 02, 2026
Regular price $507.50 AUD
Regular price Sale price $507.50 AUD
500 Per Sell Unit
Excludes GST and overseas Taxes & Duties
Quantity Required

Backorder: Out of Stock.
Inside Diameter (ID)
43.00
mm

(Equiv. 1.693 in.)
Section (t)
4.00
mm

(Equiv. 0.157 in.)
Colour
Black

Hardness
Duro 70
General Purpose O-Rings - 43x4 mm - Black - Nitrile NBR, BUNA-N
Material: Nitrile (NBR, BUNA-N)   
Part Number: OR-04300-400-N70 (400 Pcs)
General Purpose O-Rings - 43x4 mm - Black Nitrile Rubber - Nitrile NBR, BUNA-N O-Ring
Out of Stock | Backorder Now | Orders can be expected around Fri, Jan 02, 2026
Regular price $441.41 AUD
Regular price Sale price $441.41 AUD
400 Per Sell Unit
Excludes GST and overseas Taxes & Duties
Quantity Required

Backorder: Out of Stock.
Inside Diameter (ID)
43.00
mm

(Equiv. 1.693 in.)
Section (t)
4.00
mm

(Equiv. 0.157 in.)
Colour
Black

Hardness
Duro 70
General Purpose O-Rings - 43x4 mm - Black - Nitrile NBR, BUNA-N
Material: Nitrile (NBR, BUNA-N)   
Part Number: OR-04300-400-N70 (400 Pcs)
General Purpose O-Rings - 43x4 mm - Black Nitrile Rubber - Nitrile NBR, BUNA-N O-Ring
Out of Stock | Backorder Now | Orders can be expected around Fri, Jan 02, 2026
Regular price $441.41 AUD
Regular price Sale price $441.41 AUD
400 Per Sell Unit
Excludes GST and overseas Taxes & Duties
Quantity Required

Backorder: Out of Stock.
Inside Diameter (ID)
43.00
mm

(Equiv. 1.693 in.)
Section (t)
5.00
mm

(Equiv. 0.197 in.)
Colour
Black

Hardness
Duro 70
General Purpose O-Rings - 43x5 mm - Black - Nitrile NBR, BUNA-N
Material: Nitrile (NBR, BUNA-N)   
Part Number: OR-04300-500-N70 (300 Pcs)
General Purpose O-Rings - 43x5 mm - Black Nitrile Rubber - Nitrile NBR, BUNA-N O-Ring
Out of Stock | Backorder Now | Orders can be expected around Fri, Jan 02, 2026
Regular price $368.32 AUD
Regular price Sale price $368.32 AUD
300 Per Sell Unit
Excludes GST and overseas Taxes & Duties
Quantity Required

Backorder: Out of Stock.
Inside Diameter (ID)
43.00
mm

(Equiv. 1.693 in.)
Section (t)
5.00
mm

(Equiv. 0.197 in.)
Colour
Black

Hardness
Duro 70
General Purpose O-Rings - 43x5 mm - Black - Nitrile NBR, BUNA-N
Material: Nitrile (NBR, BUNA-N)   
Part Number: OR-04300-500-N70 (300 Pcs)
General Purpose O-Rings - 43x5 mm - Black Nitrile Rubber - Nitrile NBR, BUNA-N O-Ring
Out of Stock | Backorder Now | Orders can be expected around Fri, Jan 02, 2026
Regular price $368.32 AUD
Regular price Sale price $368.32 AUD
300 Per Sell Unit
Excludes GST and overseas Taxes & Duties
Quantity Required

Backorder: Out of Stock.
Inside Diameter (ID)
43.00
mm

(Equiv. 1.693 in.)
Section (t)
4.50
mm

(Equiv. 0.177 in.)
Colour
Black

Hardness
Duro 70
General Purpose O-Rings - 43x4.5 mm - Black - Nitrile NBR, BUNA-N
Material: Nitrile (NBR, BUNA-N)   
Part Number: OR-04300-450-N70
General Purpose O-Rings - 43x4.5 mm - Black Nitrile Rubber - Nitrile NBR, BUNA-N O-Ring
Contact Us | Special Order Only - Please contact us if you need a large quantity
Inside Diameter (ID)
43.00
mm

(Equiv. 1.693 in.)
Section (t)
4.50
mm

(Equiv. 0.177 in.)
Colour
Black

Hardness
Duro 70
General Purpose O-Rings - 43x4.5 mm - Black - Nitrile NBR, BUNA-N
Material: Nitrile (NBR, BUNA-N)   
Part Number: OR-04300-450-N70
General Purpose O-Rings - 43x4.5 mm - Black Nitrile Rubber - Nitrile NBR, BUNA-N O-Ring
Contact Us | Special Order Only - Please contact us if you need a large quantity | Orders can be expected around Sat, Jul 29, 2028
Inside Diameter (ID)
43.00
mm

(Equiv. 1.693 in.)
Section (t)
6.00
mm

(Equiv. 0.236 in.)
Colour
Black

Hardness
Duro 70
General Purpose O-Rings - 43x6 mm - Black - Nitrile NBR, BUNA-N
Material: Nitrile (NBR, BUNA-N)   
Part Number: OR-04300-600-N70
General Purpose O-Rings - 43x6 mm - Black Nitrile Rubber - Nitrile NBR, BUNA-N O-Ring
Contact Us | Special Order Only - Please contact us if you need a large quantity
Inside Diameter (ID)
43.00
mm

(Equiv. 1.693 in.)
Section (t)
6.00
mm

(Equiv. 0.236 in.)
Colour
Black

Hardness
Duro 70
General Purpose O-Rings - 43x6 mm - Black - Nitrile NBR, BUNA-N
Material: Nitrile (NBR, BUNA-N)   
Part Number: OR-04300-600-N70
General Purpose O-Rings - 43x6 mm - Black Nitrile Rubber - Nitrile NBR, BUNA-N O-Ring
Contact Us | Special Order Only - Please contact us if you need a large quantity | Orders can be expected around Sat, Jul 29, 2028
Inside Diameter (ID)
43.40
mm

(Equiv. 1.709 in.)
Section (t)
3.60
mm

(Equiv. 0.142 in.)
Colour
Black

Hardness
Duro 70
General Purpose O-Rings - 43.4x3.6 mm - Black - Nitrile NBR, BUNA-N
Material: Nitrile (NBR, BUNA-N)   
Part Number: OR-04340-360-N70
General Purpose O-Rings - 43.4x3.6 mm - Black Nitrile Rubber - Nitrile NBR, BUNA-N O-Ring
Contact Us | Special Order Only - Please contact us if you need a large quantity
Inside Diameter (ID)
43.40
mm

(Equiv. 1.709 in.)
Section (t)
3.60
mm

(Equiv. 0.142 in.)
Colour
Black

Hardness
Duro 70
General Purpose O-Rings - 43.4x3.6 mm - Black - Nitrile NBR, BUNA-N
Material: Nitrile (NBR, BUNA-N)   
Part Number: OR-04340-360-N70
General Purpose O-Rings - 43.4x3.6 mm - Black Nitrile Rubber - Nitrile NBR, BUNA-N O-Ring
Contact Us | Special Order Only - Please contact us if you need a large quantity | Orders can be expected around Sat, Jul 29, 2028
Inside Diameter (ID)
43.70
mm

(Equiv. 1.72 in.)
Section (t)
3.55
mm

(Equiv. 0.14 in.)
Colour
Black

Hardness
Duro 70
General Purpose O-Rings - 43.7x3.55 mm - Black - Nitrile NBR, BUNA-N
Material: Nitrile (NBR, BUNA-N)   
Part Number: OR-04370-355-N70 (400 Pcs)
General Purpose O-Rings - 43.7x3.55 mm - Black Nitrile Rubber - Nitrile NBR, BUNA-N O-Ring
Out of Stock | Backorder Now | Orders can be expected around Fri, Jan 02, 2026
Regular price $262.05 AUD
Regular price Sale price $262.05 AUD
400 Per Sell Unit
Excludes GST and overseas Taxes & Duties
Quantity Required

Backorder: Out of Stock.
Inside Diameter (ID)
43.70
mm

(Equiv. 1.72 in.)
Section (t)
3.55
mm

(Equiv. 0.14 in.)
Colour
Black

Hardness
Duro 70
General Purpose O-Rings - 43.7x3.55 mm - Black - Nitrile NBR, BUNA-N
Material: Nitrile (NBR, BUNA-N)   
Part Number: OR-04370-355-N70 (400 Pcs)
General Purpose O-Rings - 43.7x3.55 mm - Black Nitrile Rubber - Nitrile NBR, BUNA-N O-Ring
Out of Stock | Backorder Now | Orders can be expected around Fri, Jan 02, 2026
Regular price $262.05 AUD
Regular price Sale price $262.05 AUD
400 Per Sell Unit
Excludes GST and overseas Taxes & Duties
Quantity Required

Backorder: Out of Stock.
Inside Diameter (ID)
43.70
mm

(Equiv. 1.72 in.)
Section (t)
5.30
mm

(Equiv. 0.209 in.)
Colour
Black

Hardness
Duro 70
General Purpose O-Rings - 43.7x5.3 mm - Black - Nitrile NBR, BUNA-N
Material: Nitrile (NBR, BUNA-N)   
Part Number: OR-04370-530-N70 (300 Pcs)
General Purpose O-Rings - 43.7x5.3 mm - Black Nitrile Rubber - Nitrile NBR, BUNA-N O-Ring
Out of Stock | Backorder Now | Orders can be expected around Fri, Jan 02, 2026
Regular price $385.95 AUD
Regular price Sale price $385.95 AUD
300 Per Sell Unit
Excludes GST and overseas Taxes & Duties
Quantity Required

Backorder: Out of Stock.
Inside Diameter (ID)
43.70
mm

(Equiv. 1.72 in.)
Section (t)
5.30
mm

(Equiv. 0.209 in.)
Colour
Black

Hardness
Duro 70
General Purpose O-Rings - 43.7x5.3 mm - Black - Nitrile NBR, BUNA-N
Material: Nitrile (NBR, BUNA-N)   
Part Number: OR-04370-530-N70 (300 Pcs)
General Purpose O-Rings - 43.7x5.3 mm - Black Nitrile Rubber - Nitrile NBR, BUNA-N O-Ring
Out of Stock | Backorder Now | Orders can be expected around Fri, Jan 02, 2026
Regular price $385.95 AUD
Regular price Sale price $385.95 AUD
300 Per Sell Unit
Excludes GST and overseas Taxes & Duties
Quantity Required

Backorder: Out of Stock.
Inside Diameter (ID)
43.69
mm

(Equiv. 1.72 in.)
Section (t)
3.00
mm

(Equiv. 0.118 in.)
Colour
Black

Hardness
Duro 70
General Purpose O-Rings - 43.69x3 mm - Black - Nitrile NBR, BUNA-N
Material: Nitrile (NBR, BUNA-N)   
Part Number: OR-04369-300-N70-924
General Purpose O-Rings - 43.69x3 mm - Black Nitrile Rubber - Nitrile NBR, BUNA-N O-Ring
Contact Us | Special Order Only - Please contact us if you need a large quantity
Inside Diameter (ID)
43.69
mm

(Equiv. 1.72 in.)
Section (t)
3.00
mm

(Equiv. 0.118 in.)
Colour
Black

Hardness
Duro 70
General Purpose O-Rings - 43.69x3 mm - Black - Nitrile NBR, BUNA-N
Material: Nitrile (NBR, BUNA-N)   
Part Number: OR-04369-300-N70-924
General Purpose O-Rings - 43.69x3 mm - Black Nitrile Rubber - Nitrile NBR, BUNA-N O-Ring
Contact Us | Special Order Only - Please contact us if you need a large quantity | Orders can be expected around Sat, Jul 29, 2028
Inside Diameter (ID)
43.82
mm

(Equiv. 1.725 in.)
Section (t)
5.33
mm

(Equiv. 0.21 in.)
Colour
Black

Hardness
Duro 70
General Purpose O-Rings - 43.82x5.33 mm - Black - Nitrile NBR, BUNA-N
Material: Nitrile (NBR, BUNA-N)   
Part Number: OR-04382-533-N70-327 (100 Pcs)
General Purpose O-Rings - 43.82x5.33 mm - Black Nitrile Rubber - Nitrile NBR, BUNA-N O-Ring
Out of Stock | Backorder Now | Orders can be expected around Fri, Jan 02, 2026
Regular price $190.68 AUD
Regular price Sale price $190.68 AUD
100 Per Sell Unit
Excludes GST and overseas Taxes & Duties
Quantity Required

Backorder: Out of Stock.
Inside Diameter (ID)
43.82
mm

(Equiv. 1.725 in.)
Section (t)
5.33
mm

(Equiv. 0.21 in.)
Colour
Black

Hardness
Duro 70
General Purpose O-Rings - 43.82x5.33 mm - Black - Nitrile NBR, BUNA-N
Material: Nitrile (NBR, BUNA-N)   
Part Number: OR-04382-533-N70-327 (100 Pcs)
General Purpose O-Rings - 43.82x5.33 mm - Black Nitrile Rubber - Nitrile NBR, BUNA-N O-Ring
Out of Stock | Backorder Now | Orders can be expected around Fri, Jan 02, 2026
Regular price $190.68 AUD
Regular price Sale price $190.68 AUD
100 Per Sell Unit
Excludes GST and overseas Taxes & Duties
Quantity Required

Backorder: Out of Stock.
Inside Diameter (ID)
43.82
mm

(Equiv. 1.725 in.)
Section (t)
5.33
mm

(Equiv. 0.21 in.)
Colour
Black

Hardness
Duro 90
General Purpose O-Rings - 43.82x5.33 mm - Black - Nitrile NBR, BUNA-N
Material: Nitrile (NBR, BUNA-N)   
Part Number: OR-04382-533-N90-327 (100 Pcs)
General Purpose O-Rings - 43.82x5.33 mm - Black Nitrile Rubber - Nitrile NBR, BUNA-N O-Ring
Out of Stock | Backorder Now | Orders can be expected around Fri, Jan 02, 2026
Regular price $66.77 AUD
Regular price Sale price $66.77 AUD
100 Per Sell Unit
Excludes GST and overseas Taxes & Duties
Quantity Required

Backorder: Out of Stock.
Inside Diameter (ID)
43.82
mm

(Equiv. 1.725 in.)
Section (t)
5.33
mm

(Equiv. 0.21 in.)
Colour
Black

Hardness
Duro 90
General Purpose O-Rings - 43.82x5.33 mm - Black - Nitrile NBR, BUNA-N
Material: Nitrile (NBR, BUNA-N)   
Part Number: OR-04382-533-N90-327 (100 Pcs)
General Purpose O-Rings - 43.82x5.33 mm - Black Nitrile Rubber - Nitrile NBR, BUNA-N O-Ring
Out of Stock | Backorder Now | Orders can be expected around Fri, Jan 02, 2026
Regular price $66.77 AUD
Regular price Sale price $66.77 AUD
100 Per Sell Unit
Excludes GST and overseas Taxes & Duties
Quantity Required

Backorder: Out of Stock.
Inside Diameter (ID)
44.00
mm

(Equiv. 1.732 in.)
Section (t)
1.50
mm

(Equiv. 0.059 in.)
Colour
Black

Hardness
Duro 70
General Purpose O-Rings - 44x1.5 mm - Black - Nitrile NBR, BUNA-N
Material: Nitrile (NBR, BUNA-N)   
Part Number: OR-04400-150-N70 (9400 Pcs)
General Purpose O-Rings - 44x1.5 mm - Black Nitrile Rubber - Nitrile NBR, BUNA-N O-Ring
Out of Stock | Backorder Now | Orders can be expected around Fri, Jan 02, 2026
Regular price $701.59 AUD
Regular price Sale price $701.59 AUD
9400 Per Sell Unit
Excludes GST and overseas Taxes & Duties
Quantity Required

Backorder: Out of Stock.
Inside Diameter (ID)
44.00
mm

(Equiv. 1.732 in.)
Section (t)
1.50
mm

(Equiv. 0.059 in.)
Colour
Black

Hardness
Duro 70
General Purpose O-Rings - 44x1.5 mm - Black - Nitrile NBR, BUNA-N
Material: Nitrile (NBR, BUNA-N)   
Part Number: OR-04400-150-N70 (9400 Pcs)
General Purpose O-Rings - 44x1.5 mm - Black Nitrile Rubber - Nitrile NBR, BUNA-N O-Ring
Out of Stock | Backorder Now | Orders can be expected around Fri, Jan 02, 2026
Regular price $701.59 AUD
Regular price Sale price $701.59 AUD
9400 Per Sell Unit
Excludes GST and overseas Taxes & Duties
Quantity Required

Backorder: Out of Stock.
Inside Diameter (ID)
44.00
mm

(Equiv. 1.732 in.)
Section (t)
2.00
mm

(Equiv. 0.079 in.)
Colour
Black

Hardness
Duro 70
General Purpose O-Rings - 44x2 mm - Black - Nitrile NBR, BUNA-N
Material: Nitrile (NBR, BUNA-N)   
Part Number: OR-04400-200-N70 (700 Pcs)
General Purpose O-Rings - 44x2 mm - Black Nitrile Rubber - Nitrile NBR, BUNA-N O-Ring
Out of Stock | Backorder Now | Orders can be expected around Fri, Jan 02, 2026
Regular price $615.50 AUD
Regular price Sale price $615.50 AUD
700 Per Sell Unit
Excludes GST and overseas Taxes & Duties
Quantity Required

Backorder: Out of Stock.
Inside Diameter (ID)
44.00
mm

(Equiv. 1.732 in.)
Section (t)
2.00
mm

(Equiv. 0.079 in.)
Colour
Black

Hardness
Duro 70
General Purpose O-Rings - 44x2 mm - Black - Nitrile NBR, BUNA-N
Material: Nitrile (NBR, BUNA-N)   
Part Number: OR-04400-200-N70 (700 Pcs)
General Purpose O-Rings - 44x2 mm - Black Nitrile Rubber - Nitrile NBR, BUNA-N O-Ring
Out of Stock | Backorder Now | Orders can be expected around Fri, Jan 02, 2026
Regular price $615.50 AUD
Regular price Sale price $615.50 AUD
700 Per Sell Unit
Excludes GST and overseas Taxes & Duties
Quantity Required

Backorder: Out of Stock.
Inside Diameter (ID)
44.00
mm

(Equiv. 1.732 in.)
Section (t)
2.50
mm

(Equiv. 0.098 in.)
Colour
Black

Hardness
Duro 70
General Purpose O-Rings - 44x2.5 mm - Black - Nitrile NBR, BUNA-N
Material: Nitrile (NBR, BUNA-N)   
Part Number: OR-04400-250-N70 (500 Pcs)
General Purpose O-Rings - 44x2.5 mm - Black Nitrile Rubber - Nitrile NBR, BUNA-N O-Ring
Out of Stock | Backorder Now | Orders can be expected around Fri, Jan 02, 2026
Regular price $478.05 AUD
Regular price Sale price $478.05 AUD
500 Per Sell Unit
Excludes GST and overseas Taxes & Duties
Quantity Required

Backorder: Out of Stock.
Inside Diameter (ID)
44.00
mm

(Equiv. 1.732 in.)
Section (t)
2.50
mm

(Equiv. 0.098 in.)
Colour
Black

Hardness
Duro 70
General Purpose O-Rings - 44x2.5 mm - Black - Nitrile NBR, BUNA-N
Material: Nitrile (NBR, BUNA-N)   
Part Number: OR-04400-250-N70 (500 Pcs)
General Purpose O-Rings - 44x2.5 mm - Black Nitrile Rubber - Nitrile NBR, BUNA-N O-Ring
Out of Stock | Backorder Now | Orders can be expected around Fri, Jan 02, 2026
Regular price $478.05 AUD
Regular price Sale price $478.05 AUD
500 Per Sell Unit
Excludes GST and overseas Taxes & Duties
Quantity Required

Backorder: Out of Stock.
Inside Diameter (ID)
44.00
mm

(Equiv. 1.732 in.)
Section (t)
3.00
mm

(Equiv. 0.118 in.)
Colour
Black

Hardness
Duro 70
General Purpose O-Rings - 44x3 mm - Black - Nitrile NBR, BUNA-N
Material: Nitrile (NBR, BUNA-N)   
Part Number: OR-04400-300-N70 (500 Pcs)
General Purpose O-Rings - 44x3 mm - Black Nitrile Rubber - Nitrile NBR, BUNA-N O-Ring
Out of Stock | Backorder Now | Orders can be expected around Fri, Jan 02, 2026
Regular price $492.77 AUD
Regular price Sale price $492.77 AUD
500 Per Sell Unit
Excludes GST and overseas Taxes & Duties
Quantity Required

Backorder: Out of Stock.
Inside Diameter (ID)
44.00
mm

(Equiv. 1.732 in.)
Section (t)
3.00
mm

(Equiv. 0.118 in.)
Colour
Black

Hardness
Duro 70
General Purpose O-Rings - 44x3 mm - Black - Nitrile NBR, BUNA-N
Material: Nitrile (NBR, BUNA-N)   
Part Number: OR-04400-300-N70 (500 Pcs)
General Purpose O-Rings - 44x3 mm - Black Nitrile Rubber - Nitrile NBR, BUNA-N O-Ring
Out of Stock | Backorder Now | Orders can be expected around Fri, Jan 02, 2026
Regular price $492.77 AUD
Regular price Sale price $492.77 AUD
500 Per Sell Unit
Excludes GST and overseas Taxes & Duties
Quantity Required

Backorder: Out of Stock.
Inside Diameter (ID)
44.00
mm

(Equiv. 1.732 in.)
Section (t)
3.50
mm

(Equiv. 0.138 in.)
Colour
Black

Hardness
Duro 70
General Purpose O-Rings - 44x3.5 mm - Black - Nitrile NBR, BUNA-N
Material: Nitrile (NBR, BUNA-N)   
Part Number: OR-04400-350-N70 (400 Pcs)
General Purpose O-Rings - 44x3.5 mm - Black Nitrile Rubber - Nitrile NBR, BUNA-N O-Ring
Out of Stock | Backorder Now | Orders can be expected around Fri, Jan 02, 2026
Regular price $410.77 AUD
Regular price Sale price $410.77 AUD
400 Per Sell Unit
Excludes GST and overseas Taxes & Duties
Quantity Required

Backorder: Out of Stock.
Inside Diameter (ID)
44.00
mm

(Equiv. 1.732 in.)
Section (t)
3.50
mm

(Equiv. 0.138 in.)
Colour
Black

Hardness
Duro 70
General Purpose O-Rings - 44x3.5 mm - Black - Nitrile NBR, BUNA-N
Material: Nitrile (NBR, BUNA-N)   
Part Number: OR-04400-350-N70 (400 Pcs)
General Purpose O-Rings - 44x3.5 mm - Black Nitrile Rubber - Nitrile NBR, BUNA-N O-Ring
Out of Stock | Backorder Now | Orders can be expected around Fri, Jan 02, 2026
Regular price $410.77 AUD
Regular price Sale price $410.77 AUD
400 Per Sell Unit
Excludes GST and overseas Taxes & Duties
Quantity Required

Backorder: Out of Stock.
Inside Diameter (ID)
44.00
mm

(Equiv. 1.732 in.)
Section (t)
4.00
mm

(Equiv. 0.157 in.)
Colour
Black

Hardness
Duro 70
General Purpose O-Rings - 44x4 mm - Black - Nitrile NBR, BUNA-N
Material: Nitrile (NBR, BUNA-N)   
Part Number: OR-04400-400-N70 (400 Pcs)
General Purpose O-Rings - 44x4 mm - Black Nitrile Rubber - Nitrile NBR, BUNA-N O-Ring
Out of Stock | Backorder Now | Orders can be expected around Fri, Jan 02, 2026
Regular price $446.14 AUD
Regular price Sale price $446.14 AUD
400 Per Sell Unit
Excludes GST and overseas Taxes & Duties
Quantity Required

Backorder: Out of Stock.
Inside Diameter (ID)
44.00
mm

(Equiv. 1.732 in.)
Section (t)
4.00
mm

(Equiv. 0.157 in.)
Colour
Black

Hardness
Duro 70
General Purpose O-Rings - 44x4 mm - Black - Nitrile NBR, BUNA-N
Material: Nitrile (NBR, BUNA-N)   
Part Number: OR-04400-400-N70 (400 Pcs)
General Purpose O-Rings - 44x4 mm - Black Nitrile Rubber - Nitrile NBR, BUNA-N O-Ring
Out of Stock | Backorder Now | Orders can be expected around Fri, Jan 02, 2026
Regular price $446.14 AUD
Regular price Sale price $446.14 AUD
400 Per Sell Unit
Excludes GST and overseas Taxes & Duties
Quantity Required

Backorder: Out of Stock.
Inside Diameter (ID)
44.00
mm

(Equiv. 1.732 in.)
Section (t)
4.50
mm

(Equiv. 0.177 in.)
Colour
Black

Hardness
Duro 70
General Purpose O-Rings - 44x4.5 mm - Black - Nitrile NBR, BUNA-N
Material: Nitrile (NBR, BUNA-N)   
Part Number: OR-04400-450-N70
General Purpose O-Rings - 44x4.5 mm - Black Nitrile Rubber - Nitrile NBR, BUNA-N O-Ring
Contact Us | Special Order Only - Please contact us if you need a large quantity
Inside Diameter (ID)
44.00
mm

(Equiv. 1.732 in.)
Section (t)
4.50
mm

(Equiv. 0.177 in.)
Colour
Black

Hardness
Duro 70
General Purpose O-Rings - 44x4.5 mm - Black - Nitrile NBR, BUNA-N
Material: Nitrile (NBR, BUNA-N)   
Part Number: OR-04400-450-N70
General Purpose O-Rings - 44x4.5 mm - Black Nitrile Rubber - Nitrile NBR, BUNA-N O-Ring
Contact Us | Special Order Only - Please contact us if you need a large quantity | Orders can be expected around Sat, Jul 29, 2028
Inside Diameter (ID)
44.00
mm

(Equiv. 1.732 in.)
Section (t)
5.00
mm

(Equiv. 0.197 in.)
Colour
Black

Hardness
Duro 70
General Purpose O-Rings - 44x5 mm - Black - Nitrile NBR, BUNA-N
Material: Nitrile (NBR, BUNA-N)   
Part Number: OR-04400-500-N70 (300 Pcs)
General Purpose O-Rings - 44x5 mm - Black Nitrile Rubber - Nitrile NBR, BUNA-N O-Ring
Out of Stock | Backorder Now | Orders can be expected around Fri, Jan 02, 2026
Regular price $370.05 AUD
Regular price Sale price $370.05 AUD
300 Per Sell Unit
Excludes GST and overseas Taxes & Duties
Quantity Required

Backorder: Out of Stock.
Inside Diameter (ID)
44.00
mm

(Equiv. 1.732 in.)
Section (t)
5.00
mm

(Equiv. 0.197 in.)
Colour
Black

Hardness
Duro 70
General Purpose O-Rings - 44x5 mm - Black - Nitrile NBR, BUNA-N
Material: Nitrile (NBR, BUNA-N)   
Part Number: OR-04400-500-N70 (300 Pcs)
General Purpose O-Rings - 44x5 mm - Black Nitrile Rubber - Nitrile NBR, BUNA-N O-Ring
Out of Stock | Backorder Now | Orders can be expected around Fri, Jan 02, 2026
Regular price $370.05 AUD
Regular price Sale price $370.05 AUD
300 Per Sell Unit
Excludes GST and overseas Taxes & Duties
Quantity Required

Backorder: Out of Stock.
Inside Diameter (ID)
44.00
mm

(Equiv. 1.732 in.)
Section (t)
6.00
mm

(Equiv. 0.236 in.)
Colour
Black

Hardness
Duro 70
General Purpose O-Rings - 44x6 mm - Black - Nitrile NBR, BUNA-N
Material: Nitrile (NBR, BUNA-N)   
Part Number: OR-04400-600-N70
General Purpose O-Rings - 44x6 mm - Black Nitrile Rubber - Nitrile NBR, BUNA-N O-Ring
Contact Us | Special Order Only - Please contact us if you need a large quantity
Inside Diameter (ID)
44.00
mm

(Equiv. 1.732 in.)
Section (t)
6.00
mm

(Equiv. 0.236 in.)
Colour
Black

Hardness
Duro 70
General Purpose O-Rings - 44x6 mm - Black - Nitrile NBR, BUNA-N
Material: Nitrile (NBR, BUNA-N)   
Part Number: OR-04400-600-N70
General Purpose O-Rings - 44x6 mm - Black Nitrile Rubber - Nitrile NBR, BUNA-N O-Ring
Contact Us | Special Order Only - Please contact us if you need a large quantity | Orders can be expected around Sat, Jul 29, 2028
Inside Diameter (ID)
44.12
mm

(Equiv. 1.737 in.)
Section (t)
2.62
mm

(Equiv. 0.103 in.)
Colour
Black

Hardness
Duro 90
General Purpose O-Rings - 44.12x2.62 mm - Black - Nitrile NBR, BUNA-N
Material: Nitrile (NBR, BUNA-N)   
Part Number: OR-04412-262-N90-132 (200 Pcs)
General Purpose O-Rings - 44.12x2.62 mm - Black Nitrile Rubber - Nitrile NBR, BUNA-N O-Ring
Out of Stock | Backorder Now | Orders can be expected around Fri, Jan 02, 2026
Regular price $308.14 AUD
Regular price Sale price $308.14 AUD
200 Per Sell Unit
Excludes GST and overseas Taxes & Duties
Quantity Required

Backorder: Out of Stock.
Inside Diameter (ID)
44.12
mm

(Equiv. 1.737 in.)
Section (t)
2.62
mm

(Equiv. 0.103 in.)
Colour
Black

Hardness
Duro 90
General Purpose O-Rings - 44.12x2.62 mm - Black - Nitrile NBR, BUNA-N
Material: Nitrile (NBR, BUNA-N)   
Part Number: OR-04412-262-N90-132 (200 Pcs)
General Purpose O-Rings - 44.12x2.62 mm - Black Nitrile Rubber - Nitrile NBR, BUNA-N O-Ring
Out of Stock | Backorder Now | Orders can be expected around Fri, Jan 02, 2026
Regular price $308.14 AUD
Regular price Sale price $308.14 AUD
200 Per Sell Unit
Excludes GST and overseas Taxes & Duties
Quantity Required

Backorder: Out of Stock.
Inside Diameter (ID)
44.04
mm

(Equiv. 1.734 in.)
Section (t)
3.53
mm

(Equiv. 0.139 in.)
Colour
Black

Hardness
Duro 70
General Purpose O-Rings - 44.04x3.53 mm - Black - Nitrile NBR, BUNA-N
Material: Nitrile (NBR, BUNA-N)   
Deleted Item. Available while stocks last.
Part Number: OR-04404-353-N70-224 (9 Pcs)
General Purpose O-Rings - 44.04x3.53 mm - Black Nitrile Rubber - Nitrile NBR, BUNA-N O-Ring
3 units (27 pcs) Available Now | Item Discontinued - Up to 3 may be ordered online. No backorders. Please contact us if you need a larger quantity
Regular price $5.00 AUD
Regular price $6.00 AUD Sale price $5.00 AUD
9 Per Sell Unit
Excludes GST and overseas Taxes & Duties
Quantity Required

3 units (27 pcs) Available Now. These are priced to quit. Please contact us for a quote if you require more.
Inside Diameter (ID)
44.04
mm

(Equiv. 1.734 in.)
Section (t)
3.53
mm

(Equiv. 0.139 in.)
Colour
Black

Hardness
Duro 70
General Purpose O-Rings - 44.04x3.53 mm - Black - Nitrile NBR, BUNA-N
Material: Nitrile (NBR, BUNA-N)   
Deleted Item. Available while stocks last.
Part Number: OR-04404-353-N70-224 (9 Pcs)
General Purpose O-Rings - 44.04x3.53 mm - Black Nitrile Rubber - Nitrile NBR, BUNA-N O-Ring
3 units (27 pcs) Available Now | Item Discontinued - Up to 3 may be ordered online. No backorders. Please contact us if you need a larger quantity
Regular price $5.00 AUD
Regular price $6.00 AUD Sale price $5.00 AUD
9 Per Sell Unit
Excludes GST and overseas Taxes & Duties
Quantity Required

3 units (27 pcs) Available Now. These are priced to quit. Please contact us for a quote if you require more.
Inside Diameter (ID)
44.12
mm

(Equiv. 1.737 in.)
Section (t)
2.62
mm

(Equiv. 0.103 in.)
Colour
Black

Hardness
Duro 70
General Purpose O-Rings - 44.12x2.62 mm - Black - Nitrile NBR, BUNA-N
Material: Nitrile (NBR, BUNA-N)   
Part Number: OR-04412-262-N70-132 (200 Pcs)
General Purpose O-Rings - 44.12x2.62 mm - Black Nitrile Rubber - Nitrile NBR, BUNA-N O-Ring
Out of Stock | Backorder Now | Orders can be expected around Fri, Jan 02, 2026
Regular price $308.14 AUD
Regular price Sale price $308.14 AUD
200 Per Sell Unit
Excludes GST and overseas Taxes & Duties
Quantity Required

Backorder: Out of Stock.
Inside Diameter (ID)
44.12
mm

(Equiv. 1.737 in.)
Section (t)
2.62
mm

(Equiv. 0.103 in.)
Colour
Black

Hardness
Duro 70
General Purpose O-Rings - 44.12x2.62 mm - Black - Nitrile NBR, BUNA-N
Material: Nitrile (NBR, BUNA-N)   
Part Number: OR-04412-262-N70-132 (200 Pcs)
General Purpose O-Rings - 44.12x2.62 mm - Black Nitrile Rubber - Nitrile NBR, BUNA-N O-Ring
Out of Stock | Backorder Now | Orders can be expected around Fri, Jan 02, 2026
Regular price $308.14 AUD
Regular price Sale price $308.14 AUD
200 Per Sell Unit
Excludes GST and overseas Taxes & Duties
Quantity Required

Backorder: Out of Stock.
Inside Diameter (ID)
44.20
mm

(Equiv. 1.74 in.)
Section (t)
3.00
mm

(Equiv. 0.118 in.)
Colour
Black

Hardness
Duro 70
General Purpose O-Rings - 44.2x3 mm - Black - Nitrile NBR, BUNA-N
Material: Nitrile (NBR, BUNA-N)   
Part Number: OR-04420-300-N70 (200 Pcs)
General Purpose O-Rings - 44.2x3 mm - Black Nitrile Rubber - Nitrile NBR, BUNA-N O-Ring
Out of Stock | Backorder Now | Orders can be expected around Fri, Jan 02, 2026
Regular price $310.50 AUD
Regular price Sale price $310.50 AUD
200 Per Sell Unit
Excludes GST and overseas Taxes & Duties
Quantity Required

Backorder: Out of Stock.
Inside Diameter (ID)
44.20
mm

(Equiv. 1.74 in.)
Section (t)
3.00
mm

(Equiv. 0.118 in.)
Colour
Black

Hardness
Duro 70
General Purpose O-Rings - 44.2x3 mm - Black - Nitrile NBR, BUNA-N
Material: Nitrile (NBR, BUNA-N)   
Part Number: OR-04420-300-N70 (200 Pcs)
General Purpose O-Rings - 44.2x3 mm - Black Nitrile Rubber - Nitrile NBR, BUNA-N O-Ring
Out of Stock | Backorder Now | Orders can be expected around Fri, Jan 02, 2026
Regular price $310.50 AUD
Regular price Sale price $310.50 AUD
200 Per Sell Unit
Excludes GST and overseas Taxes & Duties
Quantity Required

Backorder: Out of Stock.