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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
-127 EP-70 N/A
190572 		N/A N/A N/A 0.103 in N/A 70 N/A 36.17 mm1.424 in N/A 0.003 in0.08 mm N/A 0.012 in0.30 mm N/A -127 N/A N/A N/A N/A N/A O-rings are used in the military defense and agriculture industries.
-128 EP-70 N/A
190573 		N/A N/A N/A 0.103 in N/A 70 N/A 37.77 mm1.487 in N/A 0.003 in0.08 mm N/A 0.012 in0.30 mm N/A -128 N/A N/A N/A N/A N/A O-rings are used in the military defense and agriculture industries.
-129 EP-70 N/A
190574 		N/A N/A N/A 0.103 in N/A 70 N/A 39.34 mm1.549 in N/A 0.003 in0.08 mm N/A 0.015 in0.38 mm N/A -129 N/A N/A N/A N/A N/A O-rings are used in the military defense and agriculture industries.
-130 EP-70 N/A
190575 		N/A N/A N/A 0.103 in N/A 70 N/A 40.94 mm1.612 in N/A 0.003 in0.08 mm N/A 0.015 in0.38 mm N/A -130 N/A N/A N/A N/A N/A O-rings are used in the military defense and agriculture industries.
-131 EP-70 N/A
190576 		N/A N/A N/A 0.103 in N/A 70 N/A 42.52 mm1.674 in N/A 0.003 in0.08 mm N/A 0.015 in0.38 mm N/A -131 N/A N/A N/A N/A N/A O-rings are used in the military defense and agriculture industries.
-132 EP-70 N/A
190577 		N/A N/A N/A 0.103 in N/A 70 N/A 44.12 mm1.737 in N/A 0.003 in0.08 mm N/A 0.015 in0.38 mm N/A -132 N/A N/A N/A N/A N/A O-rings are used in the military defense and agriculture industries.
-133 EP-70 N/A
190578 		N/A N/A N/A 0.103 in N/A 70 N/A 45.69 mm1.799 in N/A 0.003 in0.08 mm N/A 0.015 in0.38 mm N/A -133 N/A N/A N/A N/A N/A O-rings are used in the military defense and agriculture industries.
-134 EP-70 N/A
190579 		N/A N/A N/A 0.103 in N/A 70 N/A 47.29 mm1.862 in N/A 0.003 in0.08 mm N/A 0.015 in0.38 mm N/A -134 N/A N/A N/A N/A N/A O-rings are used in the military defense and agriculture industries.
-135 EP-70 N/A
190580 		N/A N/A N/A 0.103 in N/A 70 N/A 48.90 mm1.925 in N/A 0.003 in0.08 mm N/A 0.017 in0.43 mm N/A -135 N/A N/A N/A N/A N/A O-rings are used in the military defense and agriculture industries.
-136 EP-70 N/A
190581 		N/A N/A N/A 0.103 in N/A 70 N/A 50.47 mm1.987 in N/A 0.003 in0.08 mm N/A 0.017 in0.43 mm N/A -136 N/A N/A N/A N/A N/A O-rings are used in the military defense and agriculture industries.
-137 EP-70 N/A
190582 		N/A N/A N/A 0.103 in N/A 70 N/A 52.07 mm2.050 in N/A 0.003 in0.08 mm N/A 0.017 in0.43 mm N/A -137 N/A N/A N/A N/A N/A O-rings are used in the military defense and agriculture industries.
-138 EP-70 N/A
190583 		N/A N/A N/A 0.103 in N/A 70 N/A 53.64 mm2.112 in N/A 0.003 in0.08 mm N/A 0.017 in0.43 mm N/A -138 N/A N/A N/A N/A N/A O-rings are used in the military defense and agriculture industries.
-139 EP-70 N/A
190584 		N/A N/A N/A 0.103 in N/A 70 N/A 55.25 mm2.175 in N/A 0.003 in0.08 mm N/A 0.017 in0.43 mm N/A -139 N/A N/A N/A N/A N/A O-rings are used in the military defense and agriculture industries.
-140 EP-70 N/A
190585 		N/A N/A N/A 0.103 in N/A 70 N/A 56.82 mm2.237 in N/A 0.003 in0.08 mm N/A 0.017 in0.43 mm N/A -140 N/A N/A N/A N/A N/A O-rings are used in the military defense and agriculture industries.v
-141 EP-70 N/A
190586 		N/A N/A N/A 0.103 in N/A 70 N/A 58.42 mm2.300 in N/A 0.003 in0.08 mm N/A 0.020 in0.50 mm N/A -141 N/A N/A N/A N/A N/A O-rings are used in the military defense and agriculture industries.
-142 EP-70 N/A
190587 		N/A N/A N/A 0.103 in N/A 70 N/A 59.99 mm2.362 in N/A 0.003 in0.08 mm N/A 0.020 in0.50 mm N/A -142 N/A N/A N/A N/A N/A O-rings are used in the military defense and agriculture industries.
-143 EP-70 N/A
190588 		N/A N/A N/A 0.103 in N/A 70 N/A 61.60 mm2.425 in N/A 0.003 in0.08 mm N/A 0.020 in0.50 mm N/A -143 N/A N/A N/A N/A N/A O-rings are used in the military defense and agriculture industries.
-144 EP-70 N/A
190589 		N/A N/A N/A 0.103 in N/A 70 N/A 63.17 mm2.487 in N/A 0.003 in0.08 mm N/A 0.020 in0.50 mm N/A -144 N/A N/A N/A N/A N/A O-rings are used in the military defense and agriculture industries.
-145 EP-70 N/A
190590 		N/A N/A N/A 0.103 in N/A 70 N/A 64.77 mm2.550 in N/A 0.003 in0.08 mm N/A 0.020 in0.50 mm N/A -145 N/A N/A N/A N/A N/A O-rings are used in the military defense and agriculture industries.
-146 EP-70 N/A
190591 		N/A N/A N/A 0.103 in N/A 70 N/A 66.34 mm2.612 in N/A 0.003 in0.08 mm N/A 0.020 in0.50 mm N/A -146 N/A N/A N/A N/A N/A O-rings are used in the military defense and agriculture industries.
-147 EP-70 N/A
190592 		N/A N/A N/A 0.103 in N/A 70 N/A 67.95 mm2.675 in N/A 0.003 in0.08 mm N/A 0.022 in0.55 mm N/A -147 N/A N/A N/A N/A N/A O-rings are used in the military defense and agriculture industries.
-148 EP-70 N/A
190593 		N/A N/A N/A 0.103 in N/A 70 N/A 69.52 mm2.737 in N/A 0.003 in0.08 mm N/A 0.022 in0.55 mm N/A -148 N/A N/A N/A N/A N/A O-rings are used in the military defense and agriculture industries.
-149 EP-70 N/A
190594 		N/A N/A N/A 0.103 in N/A 70 N/A 71.12 mm2.800 in N/A 0.003 in0.08 mm N/A 0.022 in0.55 mm N/A -149 N/A N/A N/A N/A N/A O-rings are used in the military defense and agriculture industries.
-150 EP-70 N/A
190595 		N/A N/A N/A 0.103 in N/A 70 N/A 72.69 mm2.862 in N/A 0.003 in0.08 mm N/A 0.022 in0.55 mm N/A -150 N/A N/A N/A N/A N/A O-rings are used in the military defense and agriculture industries.
-151 EP-70 N/A
190596 		N/A N/A N/A 0.103 in N/A 70 N/A 75.87 mm2.987 in N/A 0.003 in0.08 mm N/A 0.024 in0.61 mm N/A -151 N/A N/A N/A N/A N/A O-rings are used in the military defense and agriculture industries.
Unit of Measure
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