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Standard O-Rings are available in 369 sizes as set up by the Aerospace Standard 568 published by the Society of Automotive Engineers. These sizes are designated by dash numbers shown on the 568 DASH Chart and are standardized by imperial dimensions. Standard O-Rings are specified by their inside diameter and cross section width. AS568 is the most commonly used standard in the U.S. for aerospace, automotive and general industrial applications. For more information, please see: Comparison Properties Chart, PTFE Encapsulated O-rings, Material Shelf Life, and O-ring Groove Design Chart. EP is also known as: Eythylene Propylene, EPR, EPDM, EPT, E.

EP is an elastomer which is characterized by wide range of applications and good chemical resistance. Ethylene propylene compounds have good resistance to detergents, alkalis, mild acids, greases, silicone oils, and alcohols.
AS568 Buna O-Rings
Unit of Measure
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Item #

IntegrationID

Type

Material

Cross Section Width

Durometer

Inside Diameter

Cross Section Tolerance +/-

Inside Diameter Tolerance +/-

Size Reference - AS568

Alternate P/N

Units of Measure

Tube Size O.D.

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O-Ring Industries

Quantity
-904 EP-70 N/A AS568 Standard O-Rings AS568 Standard O-Rings N/A EP EP N/A 0.072 in N/A 70 N/A 0.351 mm0.351 in N/A 0.003 in N/A 0.005 in N/A -904 N/A N/A Imperial Imperial N/A 1/4 3/32 N/A N/A O-rings are used in the military defense and agriculture industries.v
-905 EP-70 N/A AS568 Standard O-Rings AS568 Standard O-Rings N/A EP EP N/A 0.072 in N/A 70 N/A 0.414 mm0.414 in N/A 0.003 in N/A 0.005 in N/A -905 N/A N/A Imperial Imperial N/A 5/16 3/32 N/A N/A O-rings are used in the military defense and agriculture industries.
-906 EP-70 N/A AS568 Standard O-Rings AS568 Standard O-Rings N/A EP EP N/A 0.078 in N/A 70 N/A 0.468 mm0.468 in N/A 0.003 in N/A 0.005 in N/A -906 N/A N/A Imperial Imperial N/A 3/8 3/32 N/A N/A O-rings are used in the military defense and agriculture industries.
-907 EP-70 N/A AS568 Standard O-Rings AS568 Standard O-Rings N/A EP EP N/A 0.082 in N/A 70 N/A 0.530 mm0.530 in N/A 0.003 in N/A 0.005 in N/A -907 N/A N/A Imperial Imperial N/A 7/16 3/32 N/A N/A O-rings are used in the military defense and agriculture industries.
-908 EP-70 N/A AS568 Standard O-Rings AS568 Standard O-Rings N/A EP EP N/A 0.087 in N/A 70 N/A 0.644 mm0.644 in N/A 0.003 in N/A 0.009 in N/A -908 N/A N/A Imperial Imperial N/A 1/2 3/32 N/A N/A O-rings are used in the military defense and agriculture industries.
-909 EP-70 N/A AS568 Standard O-Rings AS568 Standard O-Rings N/A EP EP N/A 0.097 in N/A 70 N/A 0.706 mm0.706 in N/A 0.003 in N/A 0.009 in N/A -909 N/A N/A Imperial Imperial N/A 9/16 3/32 N/A N/A O-rings are used in the military defense and agriculture industries.
-910 EP-70 N/A AS568 Standard O-Rings AS568 Standard O-Rings N/A EP EP N/A 0.097 in N/A 70 N/A 0.755 mm0.755 in N/A 0.003 in N/A 0.009 in N/A -910 N/A N/A Imperial Imperial N/A 5/8 3/32 N/A N/A O-rings are used in the military defense and agriculture industries.
-911 EP-70 N/A AS568 Standard O-Rings AS568 Standard O-Rings N/A EP EP N/A 0.116 in N/A 70 N/A 0.863 mm0.863 in N/A 0.004 in N/A 0.009 in N/A -911 N/A N/A Imperial Imperial N/A 11/16 3/32 N/A N/A O-rings are used in the military defense and agriculture industries.
-912 EP-70 N/A AS568 Standard O-Rings AS568 Standard O-Rings N/A EP EP N/A 0.116 in N/A 70 N/A 0.924 mm0.924 in N/A 0.004 in N/A 0.009 in N/A -912 N/A N/A Imperial Imperial N/A 3/4 3/32 N/A N/A O-rings are used in the military defense and agriculture industries.
-913 EP-70 N/A AS568 Standard O-Rings AS568 Standard O-Rings N/A EP EP N/A 0.116 in N/A 70 N/A 0.986 mm0.986 in N/A 0.004 in N/A 0.01 in N/A -913 N/A N/A Imperial Imperial N/A 13/16 3/32 N/A N/A O-rings are used in the military defense and agriculture industries.
-914 EP-70 N/A AS568 Standard O-Rings AS568 Standard O-Rings N/A EP EP N/A 0.116 in N/A 70 N/A 1.047 mm1.047 in N/A 0.004 in N/A 0.01 in N/A -914 N/A N/A Imperial Imperial N/A 7/8 3/32 N/A N/A O-rings are used in the military defense and agriculture industries.
-916 EP-70 N/A AS568 Standard O-Rings AS568 Standard O-Rings N/A EP EP N/A 0.116 in N/A 70 N/A 1.171 mm1.171 in N/A 0.004 in N/A 0.01 in N/A -916 N/A N/A Imperial Imperial N/A 1 3/32 N/A N/A O-rings are used in the military defense and agriculture industries.
-918 EP-70 N/A AS568 Standard O-Rings AS568 Standard O-Rings N/A EP EP N/A 0.116 in N/A 70 N/A 1.355 mm1.355 in N/A 0.004 in N/A 0.012 in N/A -918 N/A N/A Imperial Imperial N/A 1-1/8 3/32 N/A N/A O-rings are used in the military defense and agriculture industries.v
-920 EP-70 N/A AS568 Standard O-Rings AS568 Standard O-Rings N/A EP EP N/A 0.118 in N/A 70 N/A 1.475 mm1.475 in N/A 0.004 in N/A 0.014 in N/A -920 N/A N/A Imperial Imperial N/A 1-1/4 3/32 N/A N/A O-rings are used in the military defense and agriculture industries.
-924 EP-70 N/A AS568 Standard O-Rings AS568 Standard O-Rings N/A EP EP N/A 0.118 in N/A 70 N/A 1.720 mm1.720 in N/A 0.004 in N/A 0.014 in N/A -924 N/A N/A Imperial Imperial N/A 1-1/2 3/32 N/A N/A O-rings are used in the military defense and agriculture industries.
-928 EP-70 N/A AS568 Standard O-Rings AS568 Standard O-Rings N/A EP EP N/A 0.118 in N/A 70 N/A 2.090 mm2.090 in N/A 0.004 in N/A 0.018 in N/A -928 N/A N/A Imperial Imperial N/A 1-3/4 3/32 N/A N/A O-rings are used in the military defense and agriculture industries.
-932 EP-70 N/A AS568 Standard O-Rings AS568 Standard O-Rings N/A EP EP N/A 0.118 in N/A 70 N/A 2.337 mm2.337 in N/A 0.004 in N/A 0.018 in N/A -932 N/A N/A Imperial Imperial N/A 2 3/32 N/A N/A O-rings are used in the military defense and agriculture industries.
-901 EP-75 N/A AS568 Standard O-Rings AS568 Standard O-Rings N/A EP EP N/A 0.056 in N/A 75 N/A 0.185 mm0.185 in N/A 0.003 in N/A 0.005 in N/A -901 N/A N/A Imperial Imperial N/A 3/32 3/32 N/A N/A O-rings are used in the military defense and agriculture industries.
-902 EP-75 N/A AS568 Standard O-Rings AS568 Standard O-Rings N/A EP EP N/A 0.064 in N/A 75 N/A 0.239 mm0.239 in N/A 0.003 in N/A 0.005 in N/A -902 N/A N/A Imperial Imperial N/A 1/8 3/32 N/A N/A O-rings are used in the military defense and agriculture industries.
-903 EP-75 N/A AS568 Standard O-Rings AS568 Standard O-Rings N/A EP EP N/A 0.064 in N/A 75 N/A 0.301 mm0.301 in N/A 0.003 in N/A 0.005 in N/A -903 N/A N/A Imperial Imperial N/A 3/16 3/32 N/A N/A O-rings are used in the military defense and agriculture industries.
-904 EP-75 N/A AS568 Standard O-Rings AS568 Standard O-Rings N/A EP EP N/A 0.072 in N/A 75 N/A 0.351 mm0.351 in N/A 0.003 in N/A 0.005 in N/A -904 N/A N/A Imperial Imperial N/A 1/4 3/32 N/A N/A O-rings are used in the military defense and agriculture industries.
-905 EP-75 N/A AS568 Standard O-Rings AS568 Standard O-Rings N/A EP EP N/A 0.072 in N/A 75 N/A 0.414 mm0.414 in N/A 0.003 in N/A 0.005 in N/A -905 N/A N/A Imperial Imperial N/A 5/16 3/32 N/A N/A O-rings are used in the military defense and agriculture industries.
-906 EP-75 N/A AS568 Standard O-Rings AS568 Standard O-Rings N/A EP EP N/A 0.078 in N/A 75 N/A 0.468 mm0.468 in N/A 0.003 in N/A 0.005 in N/A -906 N/A N/A Imperial Imperial N/A 3/8 3/32 N/A N/A O-rings are used in the military defense and agriculture industries.
-907 EP-75 N/A AS568 Standard O-Rings AS568 Standard O-Rings N/A EP EP N/A 0.082 in N/A 75 N/A 0.530 mm0.530 in N/A 0.003 in N/A 0.005 in N/A -907 N/A N/A Imperial Imperial N/A 7/16 3/32 N/A N/A O-rings are used in the military defense and agriculture industries.
-908 EP-75 N/A AS568 Standard O-Rings AS568 Standard O-Rings N/A EP EP N/A 0.087 in N/A 75 N/A 0.644 mm0.644 in N/A 0.003 in N/A 0.009 in N/A -908 N/A N/A Imperial Imperial N/A 1/2 3/32 N/A N/A O-rings are used in the military defense and agriculture industries.
Unit of Measure
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