OneMonroe’s PTFE O-Rings are designed for applications demanding unparalleled chemical resistance, extreme temperature tolerance, and longevity. Crafted from high-quality PTFE (Polytetrafluoroethylene), these O-rings are well-suited for challenging environments that would compromise other materials. The AS568 standard sizing ensures compatibility across a wide range of applications, from industrial machinery to specialized equipment in chemical processing and food manufacturing. OneMonroe’s commitment to quality means that every PTFE O-ring offers a secure, leak-proof seal that withstands high pressures, making them indispensable for rigorous applications where performance and reliability are essential.
The unique properties of PTFE make these O-rings ideal for environments exposed to aggressive chemicals, solvents, and extreme temperatures. Unlike traditional rubber or elastomer O-rings, PTFE O-rings retain their integrity in high-temperature applications, withstanding ranges from -328°F to 500°F (-200°C to 260°C). This resilience ensures that the O-rings remain effective in sealing processes under the most demanding conditions. Additionally, PTFE’s non-stick properties mean these O-rings experience minimal friction and wear, which prolongs their lifespan and helps reduce maintenance downtime.
At OneMonroe, we understand that no two projects are identical, and our extensive inventory of AS568 PTFE O-rings provides a solution for nearly every industry need. Whether you’re working in aerospace, medical technology, or heavy-duty industrial applications, our PTFE O-rings offer reliable, long-lasting performance. We prioritize quality in every O-ring we produce, ensuring each piece delivers a precise fit and secure seal. With OneMonroe’s PTFE O-rings, you gain not only an exceptional product but also a partner committed to meeting the highest standards of excellence in sealing solutions.
For more information, please see: Comparison Properties Chart, PTFE Encapsulated O-rings, Material Shelf Life, and O-ring Groove Design Chart.
Cross Section Width (in)
Cross Section Width (mm)
Inside Diameter (mm)
Inside Diameter (in)
Item # |
IntegrationID |
Cross Section Width |
Durometer |
Inside Diameter |
Cross Section Tolerance +/- |
Inside Diameter Tolerance +/- |
Size Reference - AS568 |
---|---|---|---|---|---|---|---|
-323 PTFE |
IntegrationID
N/A 195455 |
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 |
-324 PTFE |
IntegrationID
N/A 195456 |
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 |
-325 PTFE |
IntegrationID
N/A 195457 |
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 |
-326 PTFE |
IntegrationID
N/A 195458 |
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 |
-327 PTFE |
IntegrationID
N/A 195459 |
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 |
-328 PTFE |
IntegrationID
N/A 195460 |
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 |
-329 PTFE |
IntegrationID
N/A 195461 |
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 |
-330 PTFE |
IntegrationID
N/A 195462 |
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 |
-331 PTFE |
IntegrationID
N/A 195463 |
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 |
-332 PTFE |
IntegrationID
N/A 195464 |
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 |
-333 PTFE |
IntegrationID
N/A 195465 |
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 |
-334 PTFE |
IntegrationID
N/A 195466 |
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 |
-335 PTFE |
IntegrationID
N/A 195467 |
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 |
-336 PTFE |
IntegrationID
N/A 195468 |
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 |
-337 PTFE |
IntegrationID
N/A 195469 |
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 |
-338 PTFE |
IntegrationID
N/A 195470 |
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 |
-339 PTFE |
IntegrationID
N/A 195471 |
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 |
-340 PTFE |
IntegrationID
N/A 195472 |
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 |
-341 PTFE |
IntegrationID
N/A 195473 |
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 |
-342 PTFE |
IntegrationID
N/A 195474 |
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 |
-343 PTFE |
IntegrationID
N/A 195475 |
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 |
-344 PTFE |
IntegrationID
N/A 195476 |
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 |
-345 PTFE |
IntegrationID
N/A 195477 |
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 |
-346 PTFE |
IntegrationID
N/A 195478 |
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 |
-347 PTFE |
IntegrationID
N/A 195479 |
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 |