AS568 PTFE O-Rings
Standard O-Rings (AS568)
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.
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Cross Section Width (in)
Cross Section Width (mm)
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 |
Units of Measure |
Tube Size O.D. |
Call for a Quote |
O-Ring Industries |
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-364 PTFE |
IntegrationID
N/A 195496 |
Type N/A | Material N/A | Cross Section Width N/A 0.210 in5.33 mm | Durometer N/A | Inside Diameter N/A 170.82 mm6.725 in | Cross Section Tolerance +/- N/A 0.005 in0.12 mm | Inside Diameter Tolerance +/- N/A 0.040 in1.02 mm | Size Reference - AS568 N/A -364 | Units of Measure N/A | Tube Size O.D. N/A | Call for a Quote N/A | O-Ring Industries N/A O-rings are used in the military, automotive, aerospace and agriculture industries. |
-261 PTFE |
IntegrationID
N/A 195417 |
Type N/A | Material N/A | Cross Section Width N/A 0.139 in3.53 mm | Durometer N/A | Inside Diameter N/A 171.04 mm6.734 in | Cross Section Tolerance +/- N/A 0.004 in0.10 mm | Inside Diameter Tolerance +/- N/A 0.040 in1.02 mm | Size Reference - AS568 N/A -261 | Units of Measure N/A | Tube Size O.D. N/A | Call for a Quote N/A | O-Ring Industries N/A O-rings are used in the military, automotive, aerospace and agriculture industries. |
-166 PTFE |
IntegrationID
N/A 195344 |
Type N/A | Material N/A | Cross Section Width N/A 0.103 in2.62 mm | Durometer N/A | Inside Diameter N/A 171.12 mm6.737 in | Cross Section Tolerance +/- N/A 0.003 in0.08 mm | Inside Diameter Tolerance +/- N/A 0.040 in1.02 mm | Size Reference - AS568 N/A -166 | Units of Measure N/A | Tube Size O.D. N/A | Call for a Quote N/A | O-Ring Industries N/A O-rings are used in the military, automotive, aerospace and agriculture industries. |
-365 PTFE |
IntegrationID
N/A 195497 |
Type N/A | Material N/A | Cross Section Width N/A 0.210 in5.33 mm | Durometer N/A | Inside Diameter N/A 177.17 mm6.975 in | Cross Section Tolerance +/- N/A 0.005 in0.12 mm | Inside Diameter Tolerance +/- N/A 0.040 in1.02 mm | Size Reference - AS568 N/A -365 | Units of Measure N/A | Tube Size O.D. N/A | Call for a Quote N/A | O-Ring Industries N/A O-rings are used in the military, automotive, aerospace and agriculture industries. |
-441 PTFE |
IntegrationID
N/A 195569 |
Type N/A | Material N/A | Cross Section Width N/A 0.275 in6.99 mm | Durometer N/A | Inside Diameter N/A 177.17 mm6.975 in | Cross Section Tolerance +/- N/A 0.006 in0.15 mm | Inside Diameter Tolerance +/- N/A 0.040 in1.01 mm | Size Reference - AS568 N/A -441 | Units of Measure N/A | Tube Size O.D. N/A | Call for a Quote N/A | O-Ring Industries N/A O-rings are used in the military, automotive, aerospace and agriculture industries. |
-262 PTFE |
IntegrationID
N/A 195418 |
Type N/A | Material N/A | Cross Section Width N/A 0.139 in3.53 mm | Durometer N/A | Inside Diameter N/A 177.39 mm6.984 in | Cross Section Tolerance +/- N/A 0.004 in0.10 mm | Inside Diameter Tolerance +/- N/A 0.040 in1.02 mm | Size Reference - AS568 N/A -262 | Units of Measure N/A | Tube Size O.D. N/A | Call for a Quote N/A | O-Ring Industries N/A O-rings are used in the military, automotive, aerospace and agriculture industries. |
-167 PTFE |
IntegrationID
N/A 195345 |
Type N/A | Material N/A | Cross Section Width N/A 0.103 in2.62 mm | Durometer N/A | Inside Diameter N/A 177.47 mm6.987 in | Cross Section Tolerance +/- N/A 0.003 in0.08 mm | Inside Diameter Tolerance +/- N/A 0.040 in1.02 mm | Size Reference - AS568 N/A -167 | Units of Measure N/A | Tube Size O.D. N/A | Call for a Quote N/A | O-Ring Industries N/A O-rings are used in the military, automotive, aerospace and agriculture industries. |
-314 PTFE |
IntegrationID
N/A 195446 |
Type N/A | Material N/A | Cross Section Width N/A 0.210 in5.33 mm | Durometer N/A | Inside Diameter N/A 18.42 mm0.725 in | Cross Section Tolerance +/- N/A 0.005 in0.12 mm | Inside Diameter Tolerance +/- N/A 0.010 in0.25 mm | Size Reference - AS568 N/A -314 | Units of Measure N/A | Tube Size O.D. N/A | Call for a Quote N/A | O-Ring Industries N/A O-rings are used in the military, automotive, aerospace and agriculture industries. |
-210 PTFE |
IntegrationID
N/A 195366 |
Type N/A | Material N/A | Cross Section Width N/A 0.139 in3.53 mm | Durometer N/A | Inside Diameter N/A 18.64 mm0.734 in | Cross Section Tolerance +/- N/A 0.004 in0.10 mm | Inside Diameter Tolerance +/- N/A 0.010 in0.25 mm | Size Reference - AS568 N/A -210 | Units of Measure N/A | Tube Size O.D. N/A | Call for a Quote N/A | O-Ring Industries N/A O-rings are used in the military, automotive, aerospace and agriculture industries. |
-116 PTFE |
IntegrationID
N/A 195294 |
Type N/A | Material N/A | Cross Section Width N/A 0.103 in2.62 mm | Durometer N/A | Inside Diameter N/A 18.72 mm0.737 in | Cross Section Tolerance +/- N/A 0.003 in0.08 mm | Inside Diameter Tolerance +/- N/A 0.009 in0.22 mm | Size Reference - AS568 N/A -116 | Units of Measure N/A | Tube Size O.D. N/A | Call for a Quote N/A | O-Ring Industries N/A O-rings are used in the military, automotive, aerospace and agriculture industries. |
-018 PTFE |
IntegrationID
N/A 195247 |
Type N/A | Material N/A | Cross Section Width N/A 0.070 in1.78 mm | Durometer N/A | Inside Diameter N/A 18.77 mm0.739 in | Cross Section Tolerance +/- N/A 0.003 in0.08 mm | Inside Diameter Tolerance +/- N/A 0.009 in0.22 mm | Size Reference - AS568 N/A -018 | Units of Measure N/A | Tube Size O.D. N/A | Call for a Quote N/A | O-Ring Industries N/A O-rings are used in the military, automotive, aerospace and agriculture industries. |
-442 PTFE |
IntegrationID
N/A 195570 |
Type N/A | Material N/A | Cross Section Width N/A 0.275 in6.99 mm | Durometer N/A | Inside Diameter N/A 183.52 mm7.225 in | Cross Section Tolerance +/- N/A 0.006 in0.15 mm | Inside Diameter Tolerance +/- N/A 0.045 in1.14 mm | Size Reference - AS568 N/A -442 | Units of Measure N/A | Tube Size O.D. N/A | Call for a Quote N/A | O-Ring Industries N/A O-rings are used in the military, automotive, aerospace and agriculture industries. |
-366 PTFE |
IntegrationID
N/A 195498 |
Type N/A | Material N/A | Cross Section Width N/A 0.210 in5.33 mm | Durometer N/A | Inside Diameter N/A 183.52 mm7.225 in | Cross Section Tolerance +/- N/A 0.005 in0.12 mm | Inside Diameter Tolerance +/- N/A 0.045 in1.14 mm | Size Reference - AS568 N/A -366 | Units of Measure N/A | Tube Size O.D. N/A | Call for a Quote N/A | O-Ring Industries N/A O-rings are used in the military, automotive, aerospace and agriculture industries. |
-263 PTFE |
IntegrationID
N/A 195419 |
Type N/A | Material N/A | Cross Section Width N/A 0.139 in3.53 mm | Durometer N/A | Inside Diameter N/A 183.74 mm7.234 in | Cross Section Tolerance +/- N/A 0.004 in0.10 mm | Inside Diameter Tolerance +/- N/A 0.045 in1.14 mm | Size Reference - AS568 N/A -263 | Units of Measure N/A | Tube Size O.D. N/A | Call for a Quote N/A | O-Ring Industries N/A O-rings are used in the military, automotive, aerospace and agriculture industries. |
-168 PTFE |
IntegrationID
N/A 195346 |
Type N/A | Material N/A | Cross Section Width N/A 0.103 in2.62 mm | Durometer N/A | Inside Diameter N/A 183.82 mm7.237 in | Cross Section Tolerance +/- N/A 0.003 in0.08 mm | Inside Diameter Tolerance +/- N/A 0.045 in1.14 mm | Size Reference - AS568 N/A -168 | Units of Measure N/A | Tube Size O.D. N/A | Call for a Quote N/A | O-Ring Industries N/A O-rings are used in the military, automotive, aerospace and agriculture industries. |
-367 PTFE |
IntegrationID
N/A 195499 |
Type N/A | Material N/A | Cross Section Width N/A 0.210 in5.33 mm | Durometer N/A | Inside Diameter N/A 189.87 mm7.475 in | Cross Section Tolerance +/- N/A 0.005 in0.12 mm | Inside Diameter Tolerance +/- N/A 0.045 in1.14 mm | Size Reference - AS568 N/A -367 | Units of Measure N/A | Tube Size O.D. N/A | Call for a Quote N/A | O-Ring Industries N/A O-rings are used in the military, automotive, aerospace and agriculture industries. |
-443 PTFE |
IntegrationID
N/A 195571 |
Type N/A | Material N/A | Cross Section Width N/A 0.275 in6.99 mm | Durometer N/A | Inside Diameter N/A 189.87 mm7.475 in | Cross Section Tolerance +/- N/A 0.006 in0.15 mm | Inside Diameter Tolerance +/- N/A 0.045 in1.14 mm | Size Reference - AS568 N/A -443 | Units of Measure N/A | Tube Size O.D. N/A | Call for a Quote N/A | O-Ring Industries N/A O-rings are used in the military, automotive, aerospace and agriculture industries. |
-315 PTFE |
IntegrationID
N/A 195447 |
Type N/A | Material N/A | Cross Section Width N/A 0.210 in5.33 mm | Durometer N/A | Inside Diameter N/A 19.99 mm0.787 in | Cross Section Tolerance +/- N/A 0.005 in0.12 mm | Inside Diameter Tolerance +/- N/A 0.010 in0.25 mm | Size Reference - AS568 N/A -315 | Units of Measure N/A | Tube Size O.D. N/A | Call for a Quote N/A | O-Ring Industries N/A O-rings are used in the military, automotive, aerospace and agriculture industries. |
-264 PTFE |
IntegrationID
N/A 195420 |
Type N/A | Material N/A | Cross Section Width N/A 0.139 in3.53 mm | Durometer N/A | Inside Diameter N/A 190.09 mm7.484 in | Cross Section Tolerance +/- N/A 0.004 in0.10 mm | Inside Diameter Tolerance +/- N/A 0.045 in1.14 mm | Size Reference - AS568 N/A -264 | Units of Measure N/A | Tube Size O.D. N/A | Call for a Quote N/A | O-Ring Industries N/A O-rings are used in the military, automotive, aerospace and agriculture industries. |
-169 PTFE |
IntegrationID
N/A 195347 |
Type N/A | Material N/A | Cross Section Width N/A 0.103 in2.62 mm | Durometer N/A | Inside Diameter N/A 190.17 mm7.487 in | Cross Section Tolerance +/- N/A 0.003 in0.08 mm | Inside Diameter Tolerance +/- N/A 0.045 in1.14 mm | Size Reference - AS568 N/A -169 | Units of Measure N/A | Tube Size O.D. N/A | Call for a Quote N/A | O-Ring Industries N/A O-rings are used in the military, automotive, aerospace and agriculture industries. |
-444 PTFE |
IntegrationID
N/A 195572 |
Type N/A | Material N/A | Cross Section Width N/A 0.275 in6.99 mm | Durometer N/A | Inside Diameter N/A 196.22 mm7.725 in | Cross Section Tolerance +/- N/A 0.006 in0.15 mm | Inside Diameter Tolerance +/- N/A 0.045 in1.14 mm | Size Reference - AS568 N/A -444 | Units of Measure N/A | Tube Size O.D. N/A | Call for a Quote N/A | O-Ring Industries N/A O-rings are used in the military, automotive, aerospace and agriculture industries. |
-368 PTFE |
IntegrationID
N/A 195500 |
Type N/A | Material N/A | Cross Section Width N/A 0.210 in5.33 mm | Durometer N/A | Inside Diameter N/A 196.22 mm7.725 in | Cross Section Tolerance +/- N/A 0.005 in0.12 mm | Inside Diameter Tolerance +/- N/A 0.045 in1.14 mm | Size Reference - AS568 N/A -368 | Units of Measure N/A | Tube Size O.D. N/A | Call for a Quote N/A | O-Ring Industries N/A O-rings are used in the military, automotive, aerospace and agriculture industries. |
-265 PTFE |
IntegrationID
N/A 195421 |
Type N/A | Material N/A | Cross Section Width N/A 0.139 in3.53 mm | Durometer N/A | Inside Diameter N/A 196.44 mm7.734 in | Cross Section Tolerance +/- N/A 0.004 in0.10 mm | Inside Diameter Tolerance +/- N/A 0.045 in1.14 mm | Size Reference - AS568 N/A -265 | Units of Measure N/A | Tube Size O.D. N/A | Call for a Quote N/A | O-Ring Industries N/A O-rings are used in the military, automotive, aerospace and agriculture industries. |
-170 PTFE |
IntegrationID
N/A 195348 |
Type N/A | Material N/A | Cross Section Width N/A 0.103 in2.62 mm | Durometer N/A | Inside Diameter N/A 196.52 mm7.737 in | Cross Section Tolerance +/- N/A 0.003 in0.08 mm | Inside Diameter Tolerance +/- N/A 0.045 in1.14 mm | Size Reference - AS568 N/A -170 | Units of Measure N/A | Tube Size O.D. N/A | Call for a Quote N/A | O-Ring Industries N/A O-rings are used in the military, automotive, aerospace and agriculture industries. |
-103 PTFE |
IntegrationID
N/A 195281 |
Type N/A | Material N/A | Cross Section Width N/A 0.103 in2.62 mm | Durometer N/A | Inside Diameter N/A 2.06 mm0.081 in | Cross Section Tolerance +/- N/A 0.003 in0.08 mm | Inside Diameter Tolerance +/- N/A 0.005 in0.12 mm | Size Reference - AS568 N/A -103 | Units of Measure N/A | Tube Size O.D. N/A | Call for a Quote N/A | O-Ring Industries N/A O-rings are used in the military, automotive, aerospace and agriculture industries. |