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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| -323 PTFE -323 PTFE/Asset/oring71.jpg |
IntegrationID
N/A 195455 |
Type N/A | Material N/A | Cross Section Width N/A 0.210 in5.33 mm | Durometer N/A | Inside Diameter N/A 32.69 mm1.287 in | Cross Section Tolerance +/- N/A 0.005 in0.12 mm | Inside Diameter Tolerance +/- N/A 0.012 in0.30 mm | Size Reference - AS568 N/A -323 | 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. |
| -324 PTFE -324 PTFE/Asset/oring71.jpg |
IntegrationID
N/A 195456 |
Type N/A | Material N/A | Cross Section Width N/A 0.210 in5.33 mm | Durometer N/A | Inside Diameter N/A 34.29 mm1.350 in | Cross Section Tolerance +/- N/A 0.005 in0.12 mm | Inside Diameter Tolerance +/- N/A 0.012 in0.30 mm | Size Reference - AS568 N/A -324 | 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. |
| -325 PTFE -325 PTFE/Asset/oring71.jpg |
IntegrationID
N/A 195457 |
Type N/A | Material N/A | Cross Section Width N/A 0.210 in5.33 mm | Durometer N/A | Inside Diameter N/A 37.47 mm1.475 in | Cross Section Tolerance +/- N/A 0.005 in0.12 mm | Inside Diameter Tolerance +/- N/A 0.015 in0.38 mm | Size Reference - AS568 N/A -325 | 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. |
| -326 PTFE -326 PTFE/Asset/oring71.jpg |
IntegrationID
N/A 195458 |
Type N/A | Material N/A | Cross Section Width N/A 0.210 in5.33 mm | Durometer N/A | Inside Diameter N/A 40.64 mm1.600 in | Cross Section Tolerance +/- N/A 0.005 in0.12 mm | Inside Diameter Tolerance +/- N/A 0.015 in0.38 mm | Size Reference - AS568 N/A -326 | 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. |
| -327 PTFE -327 PTFE/Asset/oring71.jpg |
IntegrationID
N/A 195459 |
Type N/A | Material N/A | Cross Section Width N/A 0.210 in5.33 mm | Durometer N/A | Inside Diameter N/A 43.82 mm1.725 in | Cross Section Tolerance +/- N/A 0.005 in0.12 mm | Inside Diameter Tolerance +/- N/A 0.015 in0.38 mm | Size Reference - AS568 N/A -327 | 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. |
| -328 PTFE -328 PTFE/Asset/oring71.jpg |
IntegrationID
N/A 195460 |
Type N/A | Material N/A | Cross Section Width N/A 0.210 in5.33 mm | Durometer N/A | Inside Diameter N/A 46.99 mm1.850 in | Cross Section Tolerance +/- N/A 0.005 in0.12 mm | Inside Diameter Tolerance +/- N/A 0.015 in0.38 mm | Size Reference - AS568 N/A -328 | 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. |
| -329 PTFE -329 PTFE/Asset/oring71.jpg |
IntegrationID
N/A 195461 |
Type N/A | Material N/A | Cross Section Width N/A 0.210 in5.33 mm | Durometer N/A | Inside Diameter N/A 50.17 mm1.975 in | Cross Section Tolerance +/- N/A 0.005 in0.12 mm | Inside Diameter Tolerance +/- N/A 0.018 in0.46 mm | Size Reference - AS568 N/A -329 | 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. |
| -330 PTFE -330 PTFE/Asset/oring71.jpg |
IntegrationID
N/A 195462 |
Type N/A | Material N/A | Cross Section Width N/A 0.210 in5.33 mm | Durometer N/A | Inside Diameter N/A 53.34 mm2.100 in | Cross Section Tolerance +/- N/A 0.005 in0.12 mm | Inside Diameter Tolerance +/- N/A 0.018 in0.46 mm | Size Reference - AS568 N/A -330 | 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. |
| -331 PTFE -331 PTFE/Asset/oring71.jpg |
IntegrationID
N/A 195463 |
Type N/A | Material N/A | Cross Section Width N/A 0.210 in5.33 mm | Durometer N/A | Inside Diameter N/A 56.52 mm2.225 in | Cross Section Tolerance +/- N/A 0.005 in0.12 mm | Inside Diameter Tolerance +/- N/A 0.018 in0.46 mm | Size Reference - AS568 N/A -331 | 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. |
| -332 PTFE -332 PTFE/Asset/oring71.jpg |
IntegrationID
N/A 195464 |
Type N/A | Material N/A | Cross Section Width N/A 0.210 in5.33 mm | Durometer N/A | Inside Diameter N/A 59.69 mm2.350 in | Cross Section Tolerance +/- N/A 0.005 in0.12 mm | Inside Diameter Tolerance +/- N/A 0.018 in0.46 mm | Size Reference - AS568 N/A -332 | 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. |
| -333 PTFE -333 PTFE/Asset/oring71.jpg |
IntegrationID
N/A 195465 |
Type N/A | Material N/A | Cross Section Width N/A 0.210 in5.33 mm | Durometer N/A | Inside Diameter N/A 62.87 mm2.475 in | Cross Section Tolerance +/- N/A 0.005 in0.12 mm | Inside Diameter Tolerance +/- N/A 0.020 in0.50 mm | Size Reference - AS568 N/A -333 | 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. |
| -334 PTFE -334 PTFE/Asset/oring71.jpg |
IntegrationID
N/A 195466 |
Type N/A | Material N/A | Cross Section Width N/A 0.210 in5.33 mm | Durometer N/A | Inside Diameter N/A 66.04 mm2.600 in | Cross Section Tolerance +/- N/A 0.005 in0.12 mm | Inside Diameter Tolerance +/- N/A 0.020 in0.50 mm | Size Reference - AS568 N/A -334 | 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. |
| -335 PTFE -335 PTFE/Asset/oring71.jpg |
IntegrationID
N/A 195467 |
Type N/A | Material N/A | Cross Section Width N/A 0.210 in5.33 mm | Durometer N/A | Inside Diameter N/A 69.22 mm2.725 in | Cross Section Tolerance +/- N/A 0.005 in0.12 mm | Inside Diameter Tolerance +/- N/A 0.020 in0.50 mm | Size Reference - AS568 N/A -335 | 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. |
| -336 PTFE -336 PTFE/Asset/oring71.jpg |
IntegrationID
N/A 195468 |
Type N/A | Material N/A | Cross Section Width N/A 0.210 in5.33 mm | Durometer N/A | Inside Diameter N/A 72.39 mm2.850 in | Cross Section Tolerance +/- N/A 0.005 in0.12 mm | Inside Diameter Tolerance +/- N/A 0.020 in0.50 mm | Size Reference - AS568 N/A -336 | 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. |
| -337 PTFE -337 PTFE/Asset/oring71.jpg |
IntegrationID
N/A 195469 |
Type N/A | Material N/A | Cross Section Width N/A 0.210 in5.33 mm | Durometer N/A | Inside Diameter N/A 75.57 mm2.975 in | Cross Section Tolerance +/- N/A 0.005 in0.12 mm | Inside Diameter Tolerance +/- N/A 0.024 in0.61 mm | Size Reference - AS568 N/A -337 | 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. |
| -338 PTFE -338 PTFE/Asset/oring71.jpg |
IntegrationID
N/A 195470 |
Type N/A | Material N/A | Cross Section Width N/A 0.210 in5.33 mm | Durometer N/A | Inside Diameter N/A 78.74 mm3.100 in | Cross Section Tolerance +/- N/A 0.005 in0.12 mm | Inside Diameter Tolerance +/- N/A 0.024 in0.61 mm | Size Reference - AS568 N/A -338 | 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. |
| -339 PTFE -339 PTFE/Asset/oring71.jpg |
IntegrationID
N/A 195471 |
Type N/A | Material N/A | Cross Section Width N/A 0.210 in5.33 mm | Durometer N/A | Inside Diameter N/A 81.92 mm3.225 in | Cross Section Tolerance +/- N/A 0.005 in0.12 mm | Inside Diameter Tolerance +/- N/A 0.024 in0.61 mm | Size Reference - AS568 N/A -339 | 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. |
| -340 PTFE -340 PTFE/Asset/oring71.jpg |
IntegrationID
N/A 195472 |
Type N/A | Material N/A | Cross Section Width N/A 0.210 in5.33 mm | Durometer N/A | Inside Diameter N/A 85.09 mm3.350 in | Cross Section Tolerance +/- N/A 0.005 in0.12 mm | Inside Diameter Tolerance +/- N/A 0.024 in0.61 mm | Size Reference - AS568 N/A -340 | 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. |
| -341 PTFE -341 PTFE/Asset/oring71.jpg |
IntegrationID
N/A 195473 |
Type N/A | Material N/A | Cross Section Width N/A 0.210 in5.33 mm | Durometer N/A | Inside Diameter N/A 88.27 mm3.475 in | Cross Section Tolerance +/- N/A 0.005 in0.12 mm | Inside Diameter Tolerance +/- N/A 0.024 in0.61 mm | Size Reference - AS568 N/A -341 | 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. |
| -342 PTFE -342 PTFE/Asset/oring71.jpg |
IntegrationID
N/A 195474 |
Type N/A | Material N/A | Cross Section Width N/A 0.210 in5.33 mm | Durometer N/A | Inside Diameter N/A 91.44 mm3.600 in | Cross Section Tolerance +/- N/A 0.005 in0.12 mm | Inside Diameter Tolerance +/- N/A 0.028 in0.71 mm | Size Reference - AS568 N/A -342 | 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. |
| -343 PTFE -343 PTFE/Asset/oring71.jpg |
IntegrationID
N/A 195475 |
Type N/A | Material N/A | Cross Section Width N/A 0.210 in5.33 mm | Durometer N/A | Inside Diameter N/A 94.62 mm3.725 in | Cross Section Tolerance +/- N/A 0.005 in0.12 mm | Inside Diameter Tolerance +/- N/A 0.028 in0.71 mm | Size Reference - AS568 N/A -343 | 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. |
| -344 PTFE -344 PTFE/Asset/oring71.jpg |
IntegrationID
N/A 195476 |
Type N/A | Material N/A | Cross Section Width N/A 0.210 in5.33 mm | Durometer N/A | Inside Diameter N/A 97.79 mm3.850 in | Cross Section Tolerance +/- N/A 0.005 in0.12 mm | Inside Diameter Tolerance +/- N/A 0.028 in0.71 mm | Size Reference - AS568 N/A -344 | 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. |
| -345 PTFE -345 PTFE/Asset/oring71.jpg |
IntegrationID
N/A 195477 |
Type N/A | Material N/A | Cross Section Width N/A 0.210 in5.33 mm | Durometer N/A | Inside Diameter N/A 100.97 mm3.975 in | Cross Section Tolerance +/- N/A 0.005 in0.12 mm | Inside Diameter Tolerance +/- N/A 0.028 in0.71 mm | Size Reference - AS568 N/A -345 | 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. |
| -346 PTFE -346 PTFE/Asset/oring71.jpg |
IntegrationID
N/A 195478 |
Type N/A | Material N/A | Cross Section Width N/A 0.210 in5.33 mm | Durometer N/A | Inside Diameter N/A 104.14 mm4.100 in | Cross Section Tolerance +/- N/A 0.005 in0.12 mm | Inside Diameter Tolerance +/- N/A 0.028 in0.71 mm | Size Reference - AS568 N/A -346 | 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. |
| -347 PTFE -347 PTFE/Asset/oring71.jpg |
IntegrationID
N/A 195479 |
Type N/A | Material N/A | Cross Section Width N/A 0.210 in5.33 mm | Durometer N/A | Inside Diameter N/A 107.32 mm4.225 in | Cross Section Tolerance +/- N/A 0.005 in0.12 mm | Inside Diameter Tolerance +/- N/A 0.030 in0.76 mm | Size Reference - AS568 N/A -347 | 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. |
