AS568 PTFE O-Rings
PTFE O-Rings
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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-152 PTFE |
IntegrationID
N/A 195330 |
Type N/A | Material N/A | Cross Section Width N/A 0.103 in2.62 mm | Durometer N/A | Inside Diameter N/A 82.22 mm3.237 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 -152 | 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 |
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. |
-340 PTFE |
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. |
-416 PTFE |
IntegrationID
N/A 195544 |
Type N/A | Material N/A | Cross Section Width N/A 0.275 in6.99 mm | Durometer N/A | Inside Diameter N/A 85.09 mm3.350 in | Cross Section Tolerance +/- N/A 0.006 in0.15 mm | Inside Diameter Tolerance +/- N/A 0.024 in0.61 mm | Size Reference - AS568 N/A -416 | 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. |
-237 PTFE |
IntegrationID
N/A 195393 |
Type N/A | Material N/A | Cross Section Width N/A 0.139 in3.53 mm | Durometer N/A | Inside Diameter N/A 85.32 mm3.359 in | Cross Section Tolerance +/- N/A 0.004 in0.10 mm | Inside Diameter Tolerance +/- N/A 0.024 in0.61 mm | Size Reference - AS568 N/A -237 | 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 |
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. |
-417 PTFE |
IntegrationID
N/A 195545 |
Type N/A | Material N/A | Cross Section Width N/A 0.275 in6.99 mm | Durometer N/A | Inside Diameter N/A 88.27 mm3.475 in | Cross Section Tolerance +/- N/A 0.006 in0.15 mm | Inside Diameter Tolerance +/- N/A 0.024 in0.61 mm | Size Reference - AS568 N/A -417 | 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. |
-238 PTFE |
IntegrationID
N/A 195394 |
Type N/A | Material N/A | Cross Section Width N/A 0.139 in3.53 mm | Durometer N/A | Inside Diameter N/A 88.49 mm3.484 in | Cross Section Tolerance +/- N/A 0.004 in0.10 mm | Inside Diameter Tolerance +/- N/A 0.024 in0.61 mm | Size Reference - AS568 N/A -238 | 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. |
-153 PTFE |
IntegrationID
N/A 195331 |
Type N/A | Material N/A | Cross Section Width N/A 0.103 in2.62 mm | Durometer N/A | Inside Diameter N/A 88.57 mm3.487 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 -153 | 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 |
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. |
-204 PTFE |
IntegrationID
N/A 195360 |
Type N/A | Material N/A | Cross Section Width N/A 0.139 in3.53 mm | Durometer N/A | Inside Diameter N/A 9.12 mm0.359 in | Cross Section Tolerance +/- N/A 0.004 in0.10 mm | Inside Diameter Tolerance +/- N/A 0.005 in0.12 mm | Size Reference - AS568 N/A -204 | 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. |
-110 PTFE |
IntegrationID
N/A 195288 |
Type N/A | Material N/A | Cross Section Width N/A 0.103 in2.62 mm | Durometer N/A | Inside Diameter N/A 9.19 mm0.362 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 -110 | 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. |
-012 PTFE |
IntegrationID
N/A 195241 |
Type N/A | Material N/A | Cross Section Width N/A 0.070 in1.78 mm | Durometer N/A | Inside Diameter N/A 9.25 mm0.364 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 -012 | 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 |
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. |
-418 PTFE |
IntegrationID
N/A 195546 |
Type N/A | Material N/A | Cross Section Width N/A 0.275 in6.99 mm | Durometer N/A | Inside Diameter N/A 91.44 mm3.600 in | Cross Section Tolerance +/- N/A 0.006 in0.15 mm | Inside Diameter Tolerance +/- N/A 0.028 in0.71 mm | Size Reference - AS568 N/A -418 | 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. |
-239 PTFE |
IntegrationID
N/A 195395 |
Type N/A | Material N/A | Cross Section Width N/A 0.139 in3.53 mm | Durometer N/A | Inside Diameter N/A 91.67 mm3.609 in | Cross Section Tolerance +/- N/A 0.004 in0.10 mm | Inside Diameter Tolerance +/- N/A 0.028 in0.71 mm | Size Reference - AS568 N/A -239 | 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 |
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. |
-419 PTFE |
IntegrationID
N/A 195547 |
Type N/A | Material N/A | Cross Section Width N/A 0.275 in6.99 mm | Durometer N/A | Inside Diameter N/A 94.62 mm3.725 in | Cross Section Tolerance +/- N/A 0.006 in0.15 mm | Inside Diameter Tolerance +/- N/A 0.028 in0.71 mm | Size Reference - AS568 N/A -419 | 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. |
-240 PTFE |
IntegrationID
N/A 195396 |
Type N/A | Material N/A | Cross Section Width N/A 0.139 in3.53 mm | Durometer N/A | Inside Diameter N/A 94.84 mm3.734 in | Cross Section Tolerance +/- N/A 0.004 in0.10 mm | Inside Diameter Tolerance +/- N/A 0.028 in0.71 mm | Size Reference - AS568 N/A -240 | 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. |
-154 PTFE |
IntegrationID
N/A 195332 |
Type N/A | Material N/A | Cross Section Width N/A 0.103 in2.62 mm | Durometer N/A | Inside Diameter N/A 94.92 mm3.737 in | Cross Section Tolerance +/- N/A 0.003 in0.08 mm | Inside Diameter Tolerance +/- N/A 0.028 in0.71 mm | Size Reference - AS568 N/A -154 | 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 |
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. |
-344 PTFE |
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. |
-420 PTFE |
IntegrationID
N/A 195548 |
Type N/A | Material N/A | Cross Section Width N/A 0.275 in6.99 mm | Durometer N/A | Inside Diameter N/A 97.79 mm3.850 in | Cross Section Tolerance +/- N/A 0.006 in0.15 mm | Inside Diameter Tolerance +/- N/A 0.028 in0.71 mm | Size Reference - AS568 N/A -420 | 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. |
-241 PTFE |
IntegrationID
N/A 195397 |
Type N/A | Material N/A | Cross Section Width N/A 0.139 in3.53 mm | Durometer N/A | Inside Diameter N/A 98.02 mm3.859 in | Cross Section Tolerance +/- N/A 0.004 in0.10 mm | Inside Diameter Tolerance +/- N/A 0.028 in0.71 mm | Size Reference - AS568 N/A -241 | 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. |