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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.

This elastomer possesses mechanical properties similar to Viton®, with the exception of its slightly lower compression set resistance. It is more suitable for sensitive applications where lighter compressive forces are applied to energize the seal. This core has a Shore A hardness of 70 but it also offers a broader operating temperature range of -80°F to +500°F. (-62°C to +260°C).
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

Units of Measure

Tube Size O.D.

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O-Ring Industries

Quantity
-127 F-70 N/A
194931 		N/A N/A N/A 0.103 in2.62 mm 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 O-rings are used in the military, automotive, aerospace and agriculture industries.
-128 F-70 N/A
194932 		N/A N/A N/A 0.103 in2.62 mm 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 O-rings are used in the military, automotive, aerospace and agriculture industries.
-129 F-70 N/A
194933 		N/A N/A N/A 0.103 in2.62 mm 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 O-rings are used in the military, automotive, aerospace and agriculture industries.
-130 F-70 N/A
194934 		N/A N/A N/A 0.103 in2.62 mm 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 O-rings are used in the military, automotive, aerospace and agriculture industries.
-131 F-70 N/A
194935 		N/A N/A N/A 0.103 in2.62 mm 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 O-rings are used in the military, automotive, aerospace and agriculture industries.
-132 F-70 N/A
194936 		N/A N/A N/A 0.103 in2.62 mm 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 O-rings are used in the military, automotive, aerospace and agriculture industries.
-133 F-70 N/A
194937 		N/A N/A N/A 0.103 in2.62 mm 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 O-rings are used in the military, automotive, aerospace and agriculture industries.
-134 F-70 N/A
194938 		N/A N/A N/A 0.103 in2.62 mm 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 O-rings are used in the military, automotive, aerospace and agriculture industries.
-135 F-70 N/A
194939 		N/A N/A N/A 0.103 in2.62 mm 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 O-rings are used in the military, automotive, aerospace and agriculture industries.
-136 F-70 N/A
194940 		N/A N/A N/A 0.103 in2.62 mm 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 O-rings are used in the military, automotive, aerospace and agriculture industries.
-137 F-70 N/A
194941 		N/A N/A N/A 0.103 in2.62 mm 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 O-rings are used in the military, automotive, aerospace and agriculture industries.
-138 F-70 N/A
194942 		N/A N/A N/A 0.103 in2.62 mm 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 O-rings are used in the military, automotive, aerospace and agriculture industries.
-139 F-70 N/A
194943 		N/A N/A N/A 0.103 in2.62 mm 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 O-rings are used in the military, automotive, aerospace and agriculture industries.
-140 F-70 N/A
194944 		N/A N/A N/A 0.103 in2.62 mm 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 O-rings are used in the military, automotive, aerospace and agriculture industries.
-141 F-70 N/A
194945 		N/A N/A N/A 0.103 in2.62 mm 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 O-rings are used in the military, automotive, aerospace and agriculture industries.
-142 F-70 N/A
194946 		N/A N/A N/A 0.103 in2.62 mm 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 O-rings are used in the military, automotive, aerospace and agriculture industries.
-143 F-70 N/A
194947 		N/A N/A N/A 0.103 in2.62 mm 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 O-rings are used in the military, automotive, aerospace and agriculture industries.
-144 F-70 N/A
194948 		N/A N/A N/A 0.103 in2.62 mm 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 O-rings are used in the military, automotive, aerospace and agriculture industries.
-145 F-70 N/A
194949 		N/A N/A N/A 0.103 in2.62 mm 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 O-rings are used in the military, automotive, aerospace and agriculture industries.
-146 F-70 N/A
194950 		N/A N/A N/A 0.103 in2.62 mm 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 O-rings are used in the military, automotive, aerospace and agriculture industries.
-147 F-70 N/A
194951 		N/A N/A N/A 0.103 in2.62 mm 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 O-rings are used in the military, automotive, aerospace and agriculture industries.
-148 F-70 N/A
194952 		N/A N/A N/A 0.103 in2.62 mm 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 O-rings are used in the military, automotive, aerospace and agriculture industries.
-149 F-70 N/A
194953 		N/A N/A N/A 0.103 in2.62 mm 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 O-rings are used in the military, automotive, aerospace and agriculture industries.
-150 F-70 N/A
194954 		N/A N/A N/A 0.103 in2.62 mm 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 O-rings are used in the military, automotive, aerospace and agriculture industries.
-151 F-70 N/A
194955 		N/A N/A N/A 0.103 in2.62 mm 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 O-rings are used in the military, automotive, aerospace and agriculture industries.
Unit of Measure
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