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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| -427 PTFE -427 PTFE/Asset/oring71.jpg |
IntegrationID
N/A 195555 |
Type N/A | Material N/A | Cross Section Width N/A 0.275 in6.99 mm | Durometer N/A | Inside Diameter N/A 120.02 mm4.725 in | Cross Section Tolerance +/- N/A 0.006 in0.15 mm | Inside Diameter Tolerance +/- N/A 0.033 in0.83 mm | Size Reference - AS568 N/A -427 | 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. |
| -428 PTFE -428 PTFE/Asset/oring71.jpg |
IntegrationID
N/A 195556 |
Type N/A | Material N/A | Cross Section Width N/A 0.275 in6.99 mm | Durometer N/A | Inside Diameter N/A 123.19 mm4.850 in | Cross Section Tolerance +/- N/A 0.006 in0.15 mm | Inside Diameter Tolerance +/- N/A 0.033 in0.83 mm | Size Reference - AS568 N/A -428 | 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. |
| -429 PTFE -429 PTFE/Asset/oring71.jpg |
IntegrationID
N/A 195557 |
Type N/A | Material N/A | Cross Section Width N/A 0.275 in6.99 mm | Durometer N/A | Inside Diameter N/A 126.37 mm4.975 in | Cross Section Tolerance +/- N/A 0.006 in0.15 mm | Inside Diameter Tolerance +/- N/A 0.037 in0.93 mm | Size Reference - AS568 N/A -429 | 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. |
| -430 PTFE -430 PTFE/Asset/oring71.jpg |
IntegrationID
N/A 195558 |
Type N/A | Material N/A | Cross Section Width N/A 0.275 in6.99 mm | Durometer N/A | Inside Diameter N/A 129.54 mm5.100 in | Cross Section Tolerance +/- N/A 0.006 in0.15 mm | Inside Diameter Tolerance +/- N/A 0.037 in0.93 mm | Size Reference - AS568 N/A -430 | 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. |
| -431 PTFE -431 PTFE/Asset/oring71.jpg |
IntegrationID
N/A 195559 |
Type N/A | Material N/A | Cross Section Width N/A 0.275 in6.99 mm | Durometer N/A | Inside Diameter N/A 132.72 mm5.225 in | Cross Section Tolerance +/- N/A 0.006 in0.15 mm | Inside Diameter Tolerance +/- N/A 0.037 in0.93 mm | Size Reference - AS568 N/A -431 | 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. |
| -432 PTFE -432 PTFE/Asset/oring71.jpg |
IntegrationID
N/A 195560 |
Type N/A | Material N/A | Cross Section Width N/A 0.275 in6.99 mm | Durometer N/A | Inside Diameter N/A 135.89 mm5.350 in | Cross Section Tolerance +/- N/A 0.006 in0.15 mm | Inside Diameter Tolerance +/- N/A 0.037 in0.93 mm | Size Reference - AS568 N/A -432 | 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. |
| -433 PTFE -433 PTFE/Asset/oring71.jpg |
IntegrationID
N/A 195561 |
Type N/A | Material N/A | Cross Section Width N/A 0.275 in6.99 mm | Durometer N/A | Inside Diameter N/A 139.07 mm5.475 in | Cross Section Tolerance +/- N/A 0.006 in0.15 mm | Inside Diameter Tolerance +/- N/A 0.037 in0.93 mm | Size Reference - AS568 N/A -433 | 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. |
| -434 PTFE -434 PTFE/Asset/oring71.jpg |
IntegrationID
N/A 195562 |
Type N/A | Material N/A | Cross Section Width N/A 0.275 in6.99 mm | Durometer N/A | Inside Diameter N/A 142.24 mm5.600 in | Cross Section Tolerance +/- N/A 0.006 in0.15 mm | Inside Diameter Tolerance +/- N/A 0.037 in0.93 mm | Size Reference - AS568 N/A -434 | 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. |
| -435 PTFE -435 PTFE/Asset/oring71.jpg |
IntegrationID
N/A 195563 |
Type N/A | Material N/A | Cross Section Width N/A 0.275 in6.99 mm | Durometer N/A | Inside Diameter N/A 145.42 mm5.725 in | Cross Section Tolerance +/- N/A 0.006 in0.15 mm | Inside Diameter Tolerance +/- N/A 0.037 in0.93 mm | Size Reference - AS568 N/A -435 | 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. |
| -436 PTFE -436 PTFE/Asset/oring71.jpg |
IntegrationID
N/A 195564 |
Type N/A | Material N/A | Cross Section Width N/A 0.275 in6.99 mm | Durometer N/A | Inside Diameter N/A 148.59 mm5.850 in | Cross Section Tolerance +/- N/A 0.006 in0.15 mm | Inside Diameter Tolerance +/- N/A 0.037 in0.93 mm | Size Reference - AS568 N/A -436 | 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. |
| -437 PTFE -437 PTFE/Asset/oring71.jpg |
IntegrationID
N/A 195565 |
Type N/A | Material N/A | Cross Section Width N/A 0.275 in6.99 mm | Durometer N/A | Inside Diameter N/A 151.77 mm5.975 in | Cross Section Tolerance +/- N/A 0.006 in0.15 mm | Inside Diameter Tolerance +/- N/A 0.037 in0.93 mm | Size Reference - AS568 N/A -437 | 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. |
| -438 PTFE -438 PTFE/Asset/oring71.jpg |
IntegrationID
N/A 195566 |
Type N/A | Material N/A | Cross Section Width N/A 0.275 in6.99 mm | Durometer N/A | Inside Diameter N/A 158.12 mm6.225 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 -438 | 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. |
| -439 PTFE -439 PTFE/Asset/oring71.jpg |
IntegrationID
N/A 195567 |
Type N/A | Material N/A | Cross Section Width N/A 0.275 in6.99 mm | Durometer N/A | Inside Diameter N/A 164.47 mm6.475 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 -439 | 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. |
| -440 PTFE -440 PTFE/Asset/oring71.jpg |
IntegrationID
N/A 195568 |
Type N/A | Material N/A | Cross Section Width N/A 0.275 in6.99 mm | Durometer N/A | Inside Diameter N/A 170.82 mm6.725 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 -440 | 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 -441 PTFE/Asset/oring71.jpg |
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. |
| -442 PTFE -442 PTFE/Asset/oring71.jpg |
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. |
| -443 PTFE -443 PTFE/Asset/oring71.jpg |
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. |
| -444 PTFE -444 PTFE/Asset/oring71.jpg |
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. |
| -445 PTFE -445 PTFE/Asset/oring71.jpg |
IntegrationID
N/A 195573 |
Type N/A | Material N/A | Cross Section Width N/A 0.275 in6.99 mm | Durometer N/A | Inside Diameter N/A 202.57 mm7.975 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 -445 | 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. |
| -446 PTFE -446 PTFE/Asset/oring71.jpg |
IntegrationID
N/A 195574 |
Type N/A | Material N/A | Cross Section Width N/A 0.275 in6.99 mm | Durometer N/A | Inside Diameter N/A 215.27 mm8.475 in | Cross Section Tolerance +/- N/A 0.006 in0.15 mm | Inside Diameter Tolerance +/- N/A 0.055 in1.40 mm | Size Reference - AS568 N/A -446 | 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. |
| -447 PTFE -447 PTFE/Asset/oring71.jpg |
IntegrationID
N/A 195575 |
Type N/A | Material N/A | Cross Section Width N/A 0.275 in6.99 mm | Durometer N/A | Inside Diameter N/A 227.97 mm8.975 in | Cross Section Tolerance +/- N/A 0.006 in0.15 mm | Inside Diameter Tolerance +/- N/A 0.055 in1.40 mm | Size Reference - AS568 N/A -447 | 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. |
| -448 PTFE -448 PTFE/Asset/oring71.jpg |
IntegrationID
N/A 195576 |
Type N/A | Material N/A | Cross Section Width N/A 0.275 in6.99 mm | Durometer N/A | Inside Diameter N/A 240.67 mm9.475 in | Cross Section Tolerance +/- N/A 0.006 in0.15 mm | Inside Diameter Tolerance +/- N/A 0.055 in1.40 mm | Size Reference - AS568 N/A -448 | 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. |
| -449 PTFE -449 PTFE/Asset/oring71.jpg |
IntegrationID
N/A 195577 |
Type N/A | Material N/A | Cross Section Width N/A 0.275 in6.99 mm | Durometer N/A | Inside Diameter N/A 253.37 mm9.975 in | Cross Section Tolerance +/- N/A 0.006 in0.15 mm | Inside Diameter Tolerance +/- N/A 0.055 in1.40 mm | Size Reference - AS568 N/A -449 | 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. |
| -450 PTFE -450 PTFE/Asset/oring71.jpg |
IntegrationID
N/A 195578 |
Type N/A | Material N/A | Cross Section Width N/A 0.275 in6.99 mm | Durometer N/A | Inside Diameter N/A 266.07 mm10.475 in | Cross Section Tolerance +/- N/A 0.006 in0.15 mm | Inside Diameter Tolerance +/- N/A 0.060 in1.52 mm | Size Reference - AS568 N/A -450 | 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. |
| -451 PTFE -451 PTFE/Asset/oring71.jpg |
IntegrationID
N/A 195579 |
Type N/A | Material N/A | Cross Section Width N/A 0.275 in6.99 mm | Durometer N/A | Inside Diameter N/A 278.77 mm10.975 in | Cross Section Tolerance +/- N/A 0.006 in0.15 mm | Inside Diameter Tolerance +/- N/A 0.060 in1.52 mm | Size Reference - AS568 N/A -451 | 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. |
