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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| -026 PTFE -026 PTFE/Asset/oring71.jpg |
IntegrationID
N/A 195255 |
Type N/A | Material N/A | Cross Section Width N/A 0.070 in1.78 mm | Durometer N/A | Inside Diameter N/A 31.47 mm1.239 in | Cross Section Tolerance +/- N/A 0.003 in0.08 mm | Inside Diameter Tolerance +/- N/A 0.011 in0.28 mm | Size Reference - AS568 N/A -026 | 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. |
| -027 PTFE -027 PTFE/Asset/oring71.jpg |
IntegrationID
N/A 195256 |
Type N/A | Material N/A | Cross Section Width N/A 0.070 in1.78 mm | Durometer N/A | Inside Diameter N/A 33.05 mm1.301 in | Cross Section Tolerance +/- N/A 0.003 in0.08 mm | Inside Diameter Tolerance +/- N/A 0.011 in0.28 mm | Size Reference - AS568 N/A -027 | 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. |
| -028 PTFE -028 PTFE/Asset/oring71.jpg |
IntegrationID
N/A 195257 |
Type N/A | Material N/A | Cross Section Width N/A 0.070 in1.78 mm | Durometer N/A | Inside Diameter N/A 34.65 mm1.364 in | Cross Section Tolerance +/- N/A 0.003 in0.08 mm | Inside Diameter Tolerance +/- N/A 0.013 in0.33 mm | Size Reference - AS568 N/A -028 | 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. |
| -029 PTFE -029 PTFE/Asset/oring71.jpg |
IntegrationID
N/A 195258 |
Type N/A | Material N/A | Cross Section Width N/A 0.070 in1.78 mm | Durometer N/A | Inside Diameter N/A 37.82 mm1.489 in | Cross Section Tolerance +/- N/A 0.003 in0.08 mm | Inside Diameter Tolerance +/- N/A 0.013 in0.33 mm | Size Reference - AS568 N/A -029 | 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. |
| -030 PTFE -030 PTFE/Asset/oring71.jpg |
IntegrationID
N/A 195259 |
Type N/A | Material N/A | Cross Section Width N/A 0.070 in1.78 mm | Durometer N/A | Inside Diameter N/A 41.00 mm1.614 in | Cross Section Tolerance +/- N/A 0.003 in0.08 mm | Inside Diameter Tolerance +/- N/A 0.013 in0.33 mm | Size Reference - AS568 N/A -030 | 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. |
| -031 PTFE -031 PTFE/Asset/oring71.jpg |
IntegrationID
N/A 195260 |
Type N/A | Material N/A | Cross Section Width N/A 0.070 in1.78 mm | Durometer N/A | Inside Diameter N/A 44.17 mm1.739 in | Cross Section Tolerance +/- N/A 0.003 in0.08 mm | Inside Diameter Tolerance +/- N/A 0.015 in0.36 mm | Size Reference - AS568 N/A -031 | 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. |
| -032 PTFE -032 PTFE/Asset/oring71.jpg |
IntegrationID
N/A 195261 |
Type N/A | Material N/A | Cross Section Width N/A 0.070 in1.78 mm | Durometer N/A | Inside Diameter N/A 47.35 mm1.864 in | Cross Section Tolerance +/- N/A 0.003 in0.08 mm | Inside Diameter Tolerance +/- N/A 0.015 in0.38 mm | Size Reference - AS568 N/A -032 | 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. |
| -033 PTFE -033 PTFE/Asset/oring71.jpg |
IntegrationID
N/A 195262 |
Type N/A | Material N/A | Cross Section Width N/A 0.070 in1.78 mm | Durometer N/A | Inside Diameter N/A 50.52 mm1.989 in | Cross Section Tolerance +/- N/A 0.003 in0.08 mm | Inside Diameter Tolerance +/- N/A 0.018 in0.46 mm | Size Reference - AS568 N/A -033 | 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. |
| -034 PTFE -034 PTFE/Asset/oring71.jpg |
IntegrationID
N/A 195263 |
Type N/A | Material N/A | Cross Section Width N/A 0.070 in1.78 mm | Durometer N/A | Inside Diameter N/A 53.70 mm2.114 in | Cross Section Tolerance +/- N/A 0.003 in0.08 mm | Inside Diameter Tolerance +/- N/A 0.018 in0.46 mm | Size Reference - AS568 N/A -034 | 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. |
| -035 PTFE -035 PTFE/Asset/oring71.jpg |
IntegrationID
N/A 195264 |
Type N/A | Material N/A | Cross Section Width N/A 0.070 in1.78 mm | Durometer N/A | Inside Diameter N/A 56.87 mm2.239 in | Cross Section Tolerance +/- N/A 0.003 in0.08 mm | Inside Diameter Tolerance +/- N/A 0.018 in0.46 mm | Size Reference - AS568 N/A -035 | 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. |
| -036 PTFE -036 PTFE/Asset/oring71.jpg |
IntegrationID
N/A 195265 |
Type N/A | Material N/A | Cross Section Width N/A 0.070 in1.78 mm | Durometer N/A | Inside Diameter N/A 60.05 mm2.364 in | Cross Section Tolerance +/- N/A 0.003 in0.08 mm | Inside Diameter Tolerance +/- N/A 0.018 in0.46 mm | Size Reference - AS568 N/A -036 | 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. |
| -037 PTFE -037 PTFE/Asset/oring71.jpg |
IntegrationID
N/A 195266 |
Type N/A | Material N/A | Cross Section Width N/A 0.070 in1.78 mm | Durometer N/A | Inside Diameter N/A 63.22 mm2.489 in | Cross Section Tolerance +/- N/A 0.003 in0.08 mm | Inside Diameter Tolerance +/- N/A 0.018 in0.46 mm | Size Reference - AS568 N/A -037 | 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. |
| -038 PTFE -038 PTFE/Asset/oring71.jpg |
IntegrationID
N/A 195267 |
Type N/A | Material N/A | Cross Section Width N/A 0.070 in1.78 mm | Durometer N/A | Inside Diameter N/A 66.40 mm2.614 in | Cross Section Tolerance +/- N/A 0.003 in0.08 mm | Inside Diameter Tolerance +/- N/A 0.020 in0.50 mm | Size Reference - AS568 N/A -038 | 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. |
| -039 PTFE -039 PTFE/Asset/oring71.jpg |
IntegrationID
N/A 195268 |
Type N/A | Material N/A | Cross Section Width N/A 0.070 in1.78 mm | Durometer N/A | Inside Diameter N/A 69.57 mm2.739 in | Cross Section Tolerance +/- N/A 0.003 in0.08 mm | Inside Diameter Tolerance +/- N/A 0.020 in0.50 mm | Size Reference - AS568 N/A -039 | 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. |
| -040 PTFE -040 PTFE/Asset/oring71.jpg |
IntegrationID
N/A 195269 |
Type N/A | Material N/A | Cross Section Width N/A 0.070 in1.78 mm | Durometer N/A | Inside Diameter N/A 72.75 mm2.864 in | Cross Section Tolerance +/- N/A 0.003 in0.08 mm | Inside Diameter Tolerance +/- N/A 0.020 in0.50 mm | Size Reference - AS568 N/A -040 | 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. |
| -041 PTFE -041 PTFE/Asset/oring71.jpg |
IntegrationID
N/A 195270 |
Type N/A | Material N/A | Cross Section Width N/A 0.070 in1.78 mm | Durometer N/A | Inside Diameter N/A 75.92 mm2.989 in | Cross Section Tolerance +/- N/A 0.003 in0.08 mm | Inside Diameter Tolerance +/- N/A 0.024 in0.61 mm | Size Reference - AS568 N/A -041 | 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. |
| -042 PTFE -042 PTFE/Asset/oring71.jpg |
IntegrationID
N/A 195271 |
Type N/A | Material N/A | Cross Section Width N/A 0.070 in1.78 mm | Durometer N/A | Inside Diameter N/A 82.27 mm3.239 in | Cross Section Tolerance +/- N/A 0.003 in0.08 mm | Inside Diameter Tolerance +/- N/A 0.024 in0.61 mm | Size Reference - AS568 N/A -042 | 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. |
| -043 PTFE -043 PTFE/Asset/oring71.jpg |
IntegrationID
N/A 195272 |
Type N/A | Material N/A | Cross Section Width N/A 0.070 in1.78 mm | Durometer N/A | Inside Diameter N/A 88.62 mm3.489 in | Cross Section Tolerance +/- N/A 0.003 in0.08 mm | Inside Diameter Tolerance +/- N/A 0.024 in0.61 mm | Size Reference - AS568 N/A -043 | 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. |
| -044 PTFE -044 PTFE/Asset/oring71.jpg |
IntegrationID
N/A 195273 |
Type N/A | Material N/A | Cross Section Width N/A 0.070 in1.78 mm | Durometer N/A | Inside Diameter N/A 94.97 mm3.739 in | Cross Section Tolerance +/- N/A 0.003 in0.08 mm | Inside Diameter Tolerance +/- N/A 0.027 in0.69 mm | Size Reference - AS568 N/A -044 | 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. |
| -045 PTFE -045 PTFE/Asset/oring71.jpg |
IntegrationID
N/A 195274 |
Type N/A | Material N/A | Cross Section Width N/A 0.070 in1.78 mm | Durometer N/A | Inside Diameter N/A 101.32 mm3.989 in | Cross Section Tolerance +/- N/A 0.003 in0.08 mm | Inside Diameter Tolerance +/- N/A 0.027 in0.69 mm | Size Reference - AS568 N/A -045 | 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. |
| -046 PTFE -046 PTFE/Asset/oring71.jpg |
IntegrationID
N/A 195275 |
Type N/A | Material N/A | Cross Section Width N/A 0.070 in1.78 mm | Durometer N/A | Inside Diameter N/A 107.67 mm4.239 in | Cross Section Tolerance +/- N/A 0.003 in0.08 mm | Inside Diameter Tolerance +/- N/A 0.030 in0.76 mm | Size Reference - AS568 N/A -046 | 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. |
| -047 PTFE -047 PTFE/Asset/oring71.jpg |
IntegrationID
N/A 195276 |
Type N/A | Material N/A | Cross Section Width N/A 0.070 in1.78 mm | Durometer N/A | Inside Diameter N/A 114.02 mm4.489 in | Cross Section Tolerance +/- N/A 0.003 in0.08 mm | Inside Diameter Tolerance +/- N/A 0.030 in0.76 mm | Size Reference - AS568 N/A -047 | 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. |
| -048 PTFE -048 PTFE/Asset/oring71.jpg |
IntegrationID
N/A 195277 |
Type N/A | Material N/A | Cross Section Width N/A 0.070 in1.78 mm | Durometer N/A | Inside Diameter N/A 120.37 mm4.739 in | Cross Section Tolerance +/- N/A 0.003 in0.08 mm | Inside Diameter Tolerance +/- N/A 0.030 in0.76 mm | Size Reference - AS568 N/A -048 | 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. |
| -049 PTFE -049 PTFE/Asset/oring71.jpg |
IntegrationID
N/A 195278 |
Type N/A | Material N/A | Cross Section Width N/A 0.070 in1.78 mm | Durometer N/A | Inside Diameter N/A 126.72 mm4.989 in | Cross Section Tolerance +/- N/A 0.003 in0.08 mm | Inside Diameter Tolerance +/- N/A 0.037 in0.94 mm | Size Reference - AS568 N/A -049 | 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. |
| -050 PTFE -050 PTFE/Asset/oring71.jpg |
IntegrationID
N/A 195279 |
Type N/A | Material N/A | Cross Section Width N/A 0.070 in1.78 mm | Durometer N/A | Inside Diameter N/A 133.07 mm5.239 in | Cross Section Tolerance +/- N/A 0.003 in0.08 mm | Inside Diameter Tolerance +/- N/A 0.037 in0.94 mm | Size Reference - AS568 N/A -050 | 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. |
