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 |
---|---|---|---|---|---|---|---|
-026 PTFE |
IntegrationID
N/A 195255 |
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 |
-027 PTFE |
IntegrationID
N/A 195256 |
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 |
-028 PTFE |
IntegrationID
N/A 195257 |
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 |
-029 PTFE |
IntegrationID
N/A 195258 |
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 |
-030 PTFE |
IntegrationID
N/A 195259 |
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 |
-031 PTFE |
IntegrationID
N/A 195260 |
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 |
-032 PTFE |
IntegrationID
N/A 195261 |
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 |
-033 PTFE |
IntegrationID
N/A 195262 |
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 |
-034 PTFE |
IntegrationID
N/A 195263 |
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 |
-035 PTFE |
IntegrationID
N/A 195264 |
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 |
-036 PTFE |
IntegrationID
N/A 195265 |
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 |
-037 PTFE |
IntegrationID
N/A 195266 |
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 |
-038 PTFE |
IntegrationID
N/A 195267 |
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 |
-039 PTFE |
IntegrationID
N/A 195268 |
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 |
-040 PTFE |
IntegrationID
N/A 195269 |
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 |
-041 PTFE |
IntegrationID
N/A 195270 |
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 |
-042 PTFE |
IntegrationID
N/A 195271 |
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 |
-043 PTFE |
IntegrationID
N/A 195272 |
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 |
-044 PTFE |
IntegrationID
N/A 195273 |
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 |
-045 PTFE |
IntegrationID
N/A 195274 |
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 |
-046 PTFE |
IntegrationID
N/A 195275 |
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 |
-047 PTFE |
IntegrationID
N/A 195276 |
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 |
-048 PTFE |
IntegrationID
N/A 195277 |
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 |
-049 PTFE |
IntegrationID
N/A 195278 |
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 |
-050 PTFE |
IntegrationID
N/A 195279 |
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 |