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.

Polyurethane is also known as urethane, cast urethan and millable urethane. Exceptional tensile strength. Abrasion and low temperature resistance. Typical applications include hydraulic seals, gaskets, diaphragms, hoses, and wheels for skate boards.

For more information, please see: Comparison Properties Chart, PTFE Encapsulated O-rings, Material Shelf Life, and O-ring Groove Design Chart.
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Cross Section Width (in)

Cross Section Width (mm)

Durometer

Inside Diameter (mm)

Inside Diameter (in)

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

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N/A
190871
N/A N/A N/A 0.040 in1.02 mm N/A 70 N/A 0.74 mm0.029 in N/A 0.003 in0.08 mm N/A 0.004 in0.10 mm N/A -001 N/A N/A N/A N/A N/A O-rings are used in the military defense and agriculture industries.
N/A
190872
N/A N/A N/A 0.040 in1.02 mm N/A 90 N/A 0.74 mm0.029 in N/A 0.003 in0.08 mm N/A 0.004 in0.10 mm N/A -001 N/A N/A N/A N/A N/A O-rings are used in the military defense and agriculture industries.
N/A
190873
N/A N/A N/A 0.050 in1.27 mm N/A 70 N/A 1.07 mm0.042 in N/A 0.003 in0.08 mm N/A 0.004 in0.10 mm N/A -002 N/A N/A N/A N/A N/A O-rings are used in the military defense and agriculture industries.
N/A
190874
N/A N/A N/A 0.050 in1.27 mm N/A 90 N/A 1.07 mm0.042 in N/A 0.003 in0.08 mm N/A 0.004 in0.10 mm N/A -002 N/A N/A N/A N/A N/A O-rings are used in the military defense and agriculture industries.
N/A
190875
N/A N/A N/A 0.060 in1.52 mm N/A 70 N/A 1.42 mm0.056 in N/A 0.003 in0.08 mm N/A 0.004 in0.10 mm N/A -003 N/A N/A N/A N/A N/A O-rings are used in the military defense and agriculture industries.
N/A
190876
N/A N/A N/A 0.060 in1.52 mm N/A 90 N/A 1.42 mm0.056 in N/A 0.003 in0.08 mm N/A 0.004 in0.10 mm N/A -003 N/A N/A N/A N/A N/A O-rings are used in the military defense and agriculture industries.
N/A
190877
N/A N/A N/A 0.070 in1.78 mm N/A 70 N/A 1.78 mm0.070 in N/A 0.003 in0.08 mm N/A 0.005 in0.12 mm N/A -004 N/A N/A N/A N/A N/A O-rings are used in the military defense and agriculture industries.v
N/A
190878
N/A N/A N/A 0.070 in1.78 mm N/A 90 N/A 1.78 mm0.070 in N/A 0.003 in0.08 mm N/A 0.005 in0.12 mm N/A -004 N/A N/A N/A N/A N/A O-rings are used in the military defense and agriculture industries.
N/A
190879
N/A N/A N/A 0.070 in1.78 mm N/A 70 N/A 2.57 mm0.101 in N/A 0.003 in0.08 mm N/A 0.005 in0.12 mm N/A -005 N/A N/A N/A N/A N/A O-rings are used in the military defense and agriculture industries.
N/A
190880
N/A N/A N/A 0.070 in1.78 mm N/A 90 N/A 2.57 mm0.101 in N/A 0.003 in0.08 mm N/A 0.005 in0.12 mm N/A -005 N/A N/A N/A N/A N/A O-rings are used in the military defense and agriculture industries.
N/A
190881
N/A N/A N/A 0.070 in1.78 mm N/A 70 N/A 2.90 mm0.114 in N/A 0.003 in0.08 mm N/A 0.005 in0.12 mm N/A -006 N/A N/A N/A N/A N/A O-rings are used in the military defense and agriculture industries.
N/A
190882
N/A N/A N/A 0.070 in1.78 mm N/A 90 N/A 2.90 mm0.114 in N/A 0.003 in0.08 mm N/A 0.005 in0.12 mm N/A -006 N/A N/A N/A N/A N/A O-rings are used in the military defense and agriculture industries.
N/A
190883
N/A N/A N/A 0.070 in1.78 mm N/A 70 N/A 3.68 mm0.145 in N/A 0.003 in0.08 mm N/A 0.005 in0.12 mm N/A -007 N/A N/A N/A N/A N/A O-rings are used in the military defense and agriculture industries.
N/A
190884
N/A N/A N/A 0.070 in1.78 mm N/A 90 N/A 3.68 mm0.145 in N/A 0.003 in0.08 mm N/A 0.005 in0.12 mm N/A -007 N/A N/A N/A N/A N/A O-rings are used in the military defense and agriculture industries.
N/A
190885
N/A N/A N/A 0.070 in1.78 mm N/A 70 N/A 4.47 mm0.176 in N/A 0.003 in0.08 mm N/A 0.005 in0.12 mm N/A -008 N/A N/A N/A N/A N/A O-rings are used in the military defense and agriculture industries.
N/A
190886
N/A N/A N/A 0.070 in1.78 mm N/A 90 N/A 4.47 mm0.176 in N/A 0.003 in0.08 mm N/A 0.005 in0.12 mm N/A -008 N/A N/A N/A N/A N/A O-rings are used in the military defense and agriculture industries.
N/A
190887
N/A N/A N/A 0.070 in1.78 mm N/A 70 N/A 5.28 mm0.208 in N/A 0.003 in0.08 mm N/A 0.005 in0.12 mm N/A -009 N/A N/A N/A N/A N/A O-rings are used in the military defense and agriculture industries.
N/A
190888
N/A N/A N/A 0.070 in1.78 mm N/A 90 N/A 5.28 mm0.208 in N/A 0.003 in0.08 mm N/A 0.005 in0.12 mm N/A -009 N/A N/A N/A N/A N/A O-rings are used in the military defense and agriculture industries.
N/A
190889
N/A N/A N/A 0.070 in1.78 mm N/A 70 N/A 6.07 mm0.239 in N/A 0.003 in0.08 mm N/A 0.005 in0.12 mm N/A -010 N/A N/A N/A N/A N/A O-rings are used in the military defense and agriculture industries.v
N/A
190890
N/A N/A N/A 0.070 in1.78 mm N/A 90 N/A 6.07 mm0.239 in N/A 0.003 in0.08 mm N/A 0.005 in0.12 mm N/A -010 N/A N/A N/A N/A N/A O-rings are used in the military defense and agriculture industries.
N/A
190891
N/A N/A N/A 0.070 in1.78 mm N/A 70 N/A 7.65 mm0.300 in N/A 0.003 in0.08 mm N/A 0.005 in0.12 mm N/A -011 N/A N/A N/A N/A N/A O-rings are used in the military defense and agriculture industries.
N/A
190892
N/A N/A N/A 0.070 in1.78 mm N/A 90 N/A 7.65 mm0.300 in N/A 0.003 in0.08 mm N/A 0.005 in0.12 mm N/A -011 N/A N/A N/A N/A N/A O-rings are used in the military defense and agriculture industries.
N/A
190893
N/A N/A N/A 0.070 in1.78 mm N/A 70 N/A 9.25 mm0.364 in N/A 0.003 in0.08 mm N/A 0.005 in0.12 mm N/A -012 N/A N/A N/A N/A N/A O-rings are used in the military defense and agriculture industries.
N/A
190894
N/A N/A N/A 0.070 in1.78 mm N/A 90 N/A 9.25 mm0.364 in N/A 0.003 in0.08 mm N/A 0.005 in0.12 mm N/A -012 N/A N/A N/A N/A N/A O-rings are used in the military defense and agriculture industries.
N/A
190895
N/A N/A N/A 0.070 in1.78 mm N/A 70 N/A 10.82 mm0.426 in N/A 0.003 in0.08 mm N/A 0.005 in0.12 mm N/A -013 N/A N/A N/A N/A N/A O-rings are used in the military defense and agriculture industries.
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