Viewing: Static & Pressure Seals > O-Rings > Nitrile 70 Standard O-rings

AJRWeb standard AS568 o-ring sizes Nitrile (Buna-N) 70 durometer. 

The most commonly used o-ring material, Nitrile 70 is a general purpose sealing material for petroleum oils and fluids, silicone greases and oils, greases and air. Temp Range: -40° F to 250° F (-40° C to 120° C)

Larger volume pricing is available, as are other materials. Please use our RFQ/contact link above to request a quote. All stock items subject to prior sale. 

Delivery for stock quantities is 1-2 business days. All other balances are typically 9-12 weeks. Please see Shop menu for other materials or contact us to request a quote. 

NOTE: Pull down menu to see package size options. 



There are 121 items available for purchase in this category. (15 per page)



All prices are per lot. Lot is quantity as listed. Items are not available as one (1) each. All prices in USD, FOB San Luis Obispo, CA. Contact us for additional price breaks and for larger volume pricing.



568-037, Nitrile 70
Item# OR-037-N7

Details:

Standard o-ring, 568-037

NBR 50 stock on hand = 3,125 pcs


Size Chart:

Inch
Nominal I.D. 2 1/2
Nominal O.D. 2 5/8
Nominal c/s 1/16
I.D. 2.489
± .018
c/s .070
+/- .003



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568-038, Nitrile 70
Item# OR-038-N7

Details:

Standard o-ring, 568-038


Size Chart:

Inch
Nominal I.D. 2 5/8
Nominal O.D. 2 3/4
Nominal c/s 1/16
I.D. 2.614
± .020
c/s .070
+/- .003



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568-039, Nitrile 70
Item# OR-039-N7

Details:

Standard o-ring, 568-039


Size Chart:

Inch
Nominal I.D. 2 3/4
Nominal O.D. 2 7/8
Nominal c/s 1/16
I.D. 2.739
± .020
c/s .070
+/- .003



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568-040, Nitrile 70
Item# OR-040-N7

Details:

Standard o-ring, 568-040


Size Chart:

Inch
Nominal I.D. 2 7/8
Nominal O.D. 3
Nominal c/s 1/16
I.D. 2.864
± .020
c/s .070
+/- .003



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568-041, Nitrile 70
Item# OR-041-N7

Details:

Standard o-ring, 568-041


Size Chart:

Inch
Nominal I.D. 3
Nominal O.D. 3 1/8
Nominal c/s 1/16
I.D. 2.989
± .024
c/s .070
+/- .003



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568-042, Nitrile 70
Item# OR-042-N7

Details:

Standard o-ring, 568-042


Size Chart:

Inch
Nominal I.D. 3 1/4
Nominal O.D. 3 3/8
Nominal c/s 1/16
I.D. 3.239
± .024
c/s .070
+/- .003



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568-043, Nitrile 70
Item# OR-043-N7

Details:

Standard o-ring, 568-043


Size Chart:

Inch
Nominal I.D. 3 1/2
Nominal O.D. 3 5/8
Nominal c/s 1/16
I.D. 3.489
± .024
c/s .070
+/- .003



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568-044, Nitrile 70
Item# OR-044-N7

Details:

Standard o-ring, 568-044

NBR 50 stock on hand = 5,500 pcs


Size Chart:

Inch
Nominal I.D. 3 3/4
Nominal O.D. 3 7/8
Nominal c/s 1/16
I.D. 3.739
± .027
c/s .070
+/- .003



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568-045, Nitrile 70
Item# OR-045-N7

Details:

Standard o-ring, 568-045

NBR 50 stock on hand = 4.500 pc


Size Chart:

Inch
Nominal I.D. 4
Nominal O.D. 4 1/8
Nominal c/s 1/16
I.D. 3.989
± .027
c/s .070
+/- .003



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568-046, Nitrile 70
Item# OR-046-N7

Details:

Standard o-ring, 568-046


Stock Qty.: 17

Size Chart:

Inch
Nominal I.D. 4 1/4
Nominal O.D. 4 3/8
Nominal c/s 1/16
I.D. 4.239
± .030
c/s .070
+/- .003



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568-047, Nitrile 70
Item# OR-047-N7

Details:

Standard o-ring, 568-047


Size Chart:

Inch
Nominal I.D. 4 1/2
Nominal O.D. 4 5/8
Nominal c/s 1/16
I.D. 4.489
± .030
c/s .070
+/- .003



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568-048, Nitrile 70
Item# OR-048-N7

Details:

Standard o-ring, 568-048


Size Chart:

Inch
Nominal I.D. 4 3/4
Nominal O.D. 4 7/8
Nominal c/s 1/16
I.D. 4.739
± .030
c/s .070
+/- .003



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568-049, Nitrile 70
Item# OR-049-N7

Details:

Standard o-ring, 568-049


Size Chart:

Inch
Nominal I.D. 5
Nominal O.D. 5 1/8
Nominal c/s 1/16
I.D. 4.989
± .037
c/s .070
+/- .003



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568-050, Nitrile 70
Item# OR-050-N7

Details:

Standard o-ring, 568-050


Size Chart:

Inch
Nominal I.D. 5 1/4
Nominal O.D. 5 3/8
Nominal c/s 1/16
I.D. 5.239
± .037
c/s .070
+/- .003



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568-102, Nitrile 70
Item# OR-102-N7

Details:

Standard o-ring, 568-102


Size Chart:

Inch
Nominal I.D. 1/16
Nominal O.D. 1/4
Nominal c/s 3/32
I.D. .049
± .005
c/s .103
+/- .003



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