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 |
---|---|---|---|---|---|---|---|
-373 PTFE |
IntegrationID
N/A 195505 |
Cross Section Width N/A 0.210 in5.33 mm | Durometer N/A | Inside Diameter N/A 227.97 mm8.975 in | Cross Section Tolerance +/- N/A 0.005 in0.12 mm | Inside Diameter Tolerance +/- N/A 0.050 in1.30 mm | Size Reference - AS568 N/A -373 |
-374 PTFE |
IntegrationID
N/A 195506 |
Cross Section Width N/A 0.210 in5.33 mm | Durometer N/A | Inside Diameter N/A 234.32 mm9.225 in | Cross Section Tolerance +/- N/A 0.005 in0.12 mm | Inside Diameter Tolerance +/- N/A 0.055 in1.40 mm | Size Reference - AS568 N/A -374 |
-375 PTFE |
IntegrationID
N/A 195507 |
Cross Section Width N/A 0.210 in5.33 mm | Durometer N/A | Inside Diameter N/A 240.67 mm9.475 in | Cross Section Tolerance +/- N/A 0.005 in0.12 mm | Inside Diameter Tolerance +/- N/A 0.055 in1.40 mm | Size Reference - AS568 N/A -375 |
-376 PTFE |
IntegrationID
N/A 195508 |
Cross Section Width N/A 0.210 in5.33 mm | Durometer N/A | Inside Diameter N/A 247.02 mm9.725 in | Cross Section Tolerance +/- N/A 0.005 in0.12 mm | Inside Diameter Tolerance +/- N/A 0.055 in1.40 mm | Size Reference - AS568 N/A -376 |
-377 PTFE |
IntegrationID
N/A 195509 |
Cross Section Width N/A 0.210 in5.33 mm | Durometer N/A | Inside Diameter N/A 253.37 mm9.975 in | Cross Section Tolerance +/- N/A 0.005 in0.12 mm | Inside Diameter Tolerance +/- N/A 0.055 in1.40 mm | Size Reference - AS568 N/A -377 |
-378 PTFE |
IntegrationID
N/A 195510 |
Cross Section Width N/A 0.210 in5.33 mm | Durometer N/A | Inside Diameter N/A 266.07 mm10.475 in | Cross Section Tolerance +/- N/A 0.005 in0.12 mm | Inside Diameter Tolerance +/- N/A 0.060 in1.52 mm | Size Reference - AS568 N/A -378 |
-379 PTFE |
IntegrationID
N/A 195511 |
Cross Section Width N/A 0.210 in5.33 mm | Durometer N/A | Inside Diameter N/A 278.77 mm10.975 in | Cross Section Tolerance +/- N/A 0.005 in0.12 mm | Inside Diameter Tolerance +/- N/A 0.060 in1.52 mm | Size Reference - AS568 N/A -379 |
-380 PTFE |
IntegrationID
N/A 195512 |
Cross Section Width N/A 0.210 in5.33 mm | Durometer N/A | Inside Diameter N/A 291.47 mm11.475 in | Cross Section Tolerance +/- N/A 0.005 in0.12 mm | Inside Diameter Tolerance +/- N/A 0.065 in1.65 mm | Size Reference - AS568 N/A -380 |
-381 PTFE |
IntegrationID
N/A 195513 |
Cross Section Width N/A 0.210 in5.33 mm | Durometer N/A | Inside Diameter N/A 304.17 mm11.975 in | Cross Section Tolerance +/- N/A 0.005 in0.12 mm | Inside Diameter Tolerance +/- N/A 0.065 in1.65 mm | Size Reference - AS568 N/A -381 |
-382 PTFE |
IntegrationID
N/A 195514 |
Cross Section Width N/A 0.210 in5.34 mm | Durometer N/A | Inside Diameter N/A 329.55 mm12.975 in | Cross Section Tolerance +/- N/A 0.005 in0.12 mm | Inside Diameter Tolerance +/- N/A 0.065 in1.65 mm | Size Reference - AS568 N/A -382 |
-383 PTFE |
IntegrationID
N/A 195515 |
Cross Section Width N/A 0.210 in5.33 mm | Durometer N/A | Inside Diameter N/A 354.97 mm13.975 in | Cross Section Tolerance +/- N/A 0.005 in0.12 mm | Inside Diameter Tolerance +/- N/A 0.070 in1.78 mm | Size Reference - AS568 N/A -383 |
-384 PTFE |
IntegrationID
N/A 195516 |
Cross Section Width N/A 0.210 in5.33 mm | Durometer N/A | Inside Diameter N/A 380.37 mm14.975 in | Cross Section Tolerance +/- N/A 0.005 in0.12 mm | Inside Diameter Tolerance +/- N/A 0.070 in1.78 mm | Size Reference - AS568 N/A -384 |
-385 PTFE |
IntegrationID
N/A 195517 |
Cross Section Width N/A 0.210 in5.33 mm | Durometer N/A | Inside Diameter N/A 405.26 mm15.955 in | Cross Section Tolerance +/- N/A 0.005 in0.12 mm | Inside Diameter Tolerance +/- N/A 0.075 in1.90 mm | Size Reference - AS568 N/A -385 |
-386 PTFE |
IntegrationID
N/A 195518 |
Cross Section Width N/A 0.210 in5.33 mm | Durometer N/A | Inside Diameter N/A 430.66 mm16.955 in | Cross Section Tolerance +/- N/A 0.005 in0.12 mm | Inside Diameter Tolerance +/- N/A 0.080 in2.05 mm | Size Reference - AS568 N/A -386 |
-387 PTFE |
IntegrationID
N/A 195519 |
Cross Section Width N/A 0.210 in5.33 mm | Durometer N/A | Inside Diameter N/A 456.06 mm17.955 in | Cross Section Tolerance +/- N/A 0.005 in0.12 mm | Inside Diameter Tolerance +/- N/A 0.085 in2.15 mm | Size Reference - AS568 N/A -387 |
-388 PTFE |
IntegrationID
N/A 195520 |
Cross Section Width N/A 0.210 in5.33 mm | Durometer N/A | Inside Diameter N/A 481.46 mm18.955 in | Cross Section Tolerance +/- N/A 0.005 in0.12 mm | Inside Diameter Tolerance +/- N/A 0.090 in2.25 mm | Size Reference - AS568 N/A -388 |
-389 PTFE |
IntegrationID
N/A 195521 |
Cross Section Width N/A 0.210 in5.33 mm | Durometer N/A | Inside Diameter N/A 506.86 mm19.955 in | Cross Section Tolerance +/- N/A 0.005 in0.12 mm | Inside Diameter Tolerance +/- N/A 0.095 in2.25 mm | Size Reference - AS568 N/A -389 |
-390 PTFE |
IntegrationID
N/A 195522 |
Cross Section Width N/A 0.210 in5.33 mm | Durometer N/A | Inside Diameter N/A 532.26 mm20.955 in | Cross Section Tolerance +/- N/A 0.005 in0.12 mm | Inside Diameter Tolerance +/- N/A 0.095 in2.25 mm | Size Reference - AS568 N/A -390 |
-391 PTFE |
IntegrationID
N/A 195523 |
Cross Section Width N/A 0.210 in5.33 mm | Durometer N/A | Inside Diameter N/A 557.66 mm21.955 in | Cross Section Tolerance +/- N/A 0.005 in0.12 mm | Inside Diameter Tolerance +/- N/A 0.100 in2.55 mm | Size Reference - AS568 N/A -391 |
-392 PTFE |
IntegrationID
N/A 195524 |
Cross Section Width N/A 0.210 in5.33 mm | Durometer N/A | Inside Diameter N/A 582.65 mm22.940 in | Cross Section Tolerance +/- N/A 0.005 in0.12 mm | Inside Diameter Tolerance +/- N/A 0.105 in2.65 mm | Size Reference - AS568 N/A -392 |
-393 PTFE |
IntegrationID
N/A 195525 |
Cross Section Width N/A 0.210 in5.33 mm | Durometer N/A | Inside Diameter N/A 608.10 mm23.940 in | Cross Section Tolerance +/- N/A 0.005 in0.12 mm | Inside Diameter Tolerance +/- N/A 0.110 in2.80 mm | Size Reference - AS568 N/A -393 |
-394 PTFE |
IntegrationID
N/A 195526 |
Cross Section Width N/A 0.210 in5.33 mm | Durometer N/A | Inside Diameter N/A 633.50 mm24.940 in | Cross Section Tolerance +/- N/A 0.005 in0.12 mm | Inside Diameter Tolerance +/- N/A 0.115 in2.90 mm | Size Reference - AS568 N/A -394 |
-395 PTFE |
IntegrationID
N/A 195527 |
Cross Section Width N/A 0.210 in5.33 mm | Durometer N/A | Inside Diameter N/A 658.88 mm25.940 in | Cross Section Tolerance +/- N/A 0.005 in0.12 mm | Inside Diameter Tolerance +/- N/A 0.012 in3.05 mm | Size Reference - AS568 N/A -395 |
-400 PTFE |
IntegrationID
N/A 195528 |
Cross Section Width N/A 0.275 in6.99 mm | Durometer N/A | Inside Diameter N/A 34.29 mm1.350 in | Cross Section Tolerance +/- N/A 0.006 in0.15 mm | Inside Diameter Tolerance +/- N/A 0.015 in0.38 mm | Size Reference - AS568 N/A -400 |
-401 PTFE |
IntegrationID
N/A 195529 |
Cross Section Width N/A 0.275 in6.99 mm | Durometer N/A | Inside Diameter N/A 37.47 mm1.475 in | Cross Section Tolerance +/- N/A 0.006 in0.15 mm | Inside Diameter Tolerance +/- N/A 0.015 in0.38 mm | Size Reference - AS568 N/A -401 |