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.
Item # |
IntegrationID |
Cross Section Width |
Durometer |
Inside Diameter |
Cross Section Tolerance +/- |
Inside Diameter Tolerance +/- |
Size Reference - AS568 |
Product Guides |
Add To Cart/Request Quote |
|---|---|---|---|---|---|---|---|---|---|
| -127 PTFE |
IntegrationID
N/A 195305 |
Cross Section Width N/A 0.103 in2.62 mm | Durometer N/A | Inside Diameter N/A 36.17 mm1.424 in | Cross Section Tolerance +/- N/A 0.003 in0.08 mm | Inside Diameter Tolerance +/- N/A 0.012 in0.30 mm | Size Reference - AS568 N/A -127 | Product Guides N/A Seal Guides |
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| -128 PTFE |
IntegrationID
N/A 195306 |
Cross Section Width N/A 0.103 in2.62 mm | Durometer N/A | Inside Diameter N/A 37.77 mm1.487 in | Cross Section Tolerance +/- N/A 0.003 in0.08 mm | Inside Diameter Tolerance +/- N/A 0.012 in0.30 mm | Size Reference - AS568 N/A -128 | Product Guides N/A Seal Guides |
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| -129 PTFE |
IntegrationID
N/A 195307 |
Cross Section Width N/A 0.103 in2.62 mm | Durometer N/A | Inside Diameter N/A 39.34 mm1.549 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 -129 | Product Guides N/A Seal Guides |
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| -130 PTFE |
IntegrationID
N/A 195308 |
Cross Section Width N/A 0.103 in2.62 mm | Durometer N/A | Inside Diameter N/A 40.94 mm1.612 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 -130 | Product Guides N/A Seal Guides |
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| -131 PTFE |
IntegrationID
N/A 195309 |
Cross Section Width N/A 0.103 in2.62 mm | Durometer N/A | Inside Diameter N/A 42.52 mm1.674 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 -131 | Product Guides N/A Seal Guides |
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| -132 PTFE |
IntegrationID
N/A 195310 |
Cross Section Width N/A 0.103 in2.62 mm | Durometer N/A | Inside Diameter N/A 44.12 mm1.737 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 -132 | Product Guides N/A Seal Guides |
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| -133 PTFE |
IntegrationID
N/A 195311 |
Cross Section Width N/A 0.103 in2.62 mm | Durometer N/A | Inside Diameter N/A 45.69 mm1.799 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 -133 | Product Guides N/A Seal Guides |
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| -134 PTFE |
IntegrationID
N/A 195312 |
Cross Section Width N/A 0.103 in2.62 mm | Durometer N/A | Inside Diameter N/A 47.29 mm1.862 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 -134 | Product Guides N/A Seal Guides |
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| -135 PTFE |
IntegrationID
N/A 195313 |
Cross Section Width N/A 0.103 in2.62 mm | Durometer N/A | Inside Diameter N/A 48.90 mm1.925 in | Cross Section Tolerance +/- N/A 0.003 in0.08 mm | Inside Diameter Tolerance +/- N/A 0.017 in0.43 mm | Size Reference - AS568 N/A -135 | Product Guides N/A Seal Guides |
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| -136 PTFE |
IntegrationID
N/A 195314 |
Cross Section Width N/A 0.103 in2.62 mm | Durometer N/A | Inside Diameter N/A 50.47 mm1.987 in | Cross Section Tolerance +/- N/A 0.003 in0.08 mm | Inside Diameter Tolerance +/- N/A 0.017 in0.43 mm | Size Reference - AS568 N/A -136 | Product Guides N/A Seal Guides |
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| -137 PTFE |
IntegrationID
N/A 195315 |
Cross Section Width N/A 0.103 in2.62 mm | Durometer N/A | Inside Diameter N/A 52.07 mm2.050 in | Cross Section Tolerance +/- N/A 0.003 in0.08 mm | Inside Diameter Tolerance +/- N/A 0.017 in0.43 mm | Size Reference - AS568 N/A -137 | Product Guides N/A Seal Guides |
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| -138 PTFE |
IntegrationID
N/A 195316 |
Cross Section Width N/A 0.103 in2.62 mm | Durometer N/A | Inside Diameter N/A 53.64 mm2.112 in | Cross Section Tolerance +/- N/A 0.003 in0.08 mm | Inside Diameter Tolerance +/- N/A 0.017 in0.43 mm | Size Reference - AS568 N/A -138 | Product Guides N/A Seal Guides |
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| -139 PTFE |
IntegrationID
N/A 195317 |
Cross Section Width N/A 0.103 in2.62 mm | Durometer N/A | Inside Diameter N/A 55.25 mm2.175 in | Cross Section Tolerance +/- N/A 0.003 in0.08 mm | Inside Diameter Tolerance +/- N/A 0.017 in0.43 mm | Size Reference - AS568 N/A -139 | Product Guides N/A Seal Guides |
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| -140 PTFE |
IntegrationID
N/A 195318 |
Cross Section Width N/A 0.103 in2.62 mm | Durometer N/A | Inside Diameter N/A 56.82 mm2.237 in | Cross Section Tolerance +/- N/A 0.003 in0.08 mm | Inside Diameter Tolerance +/- N/A 0.017 in0.43 mm | Size Reference - AS568 N/A -140 | Product Guides N/A Seal Guides |
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| -141 PTFE |
IntegrationID
N/A 195319 |
Cross Section Width N/A 0.103 in2.62 mm | Durometer N/A | Inside Diameter N/A 58.42 mm2.300 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 -141 | Product Guides N/A Seal Guides |
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| -142 PTFE |
IntegrationID
N/A 195320 |
Cross Section Width N/A 0.103 in2.62 mm | Durometer N/A | Inside Diameter N/A 59.99 mm2.362 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 -142 | Product Guides N/A Seal Guides |
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| -143 PTFE |
IntegrationID
N/A 195321 |
Cross Section Width N/A 0.103 in2.62 mm | Durometer N/A | Inside Diameter N/A 61.60 mm2.425 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 -143 | Product Guides N/A Seal Guides |
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| -144 PTFE |
IntegrationID
N/A 195322 |
Cross Section Width N/A 0.103 in2.62 mm | Durometer N/A | Inside Diameter N/A 63.17 mm2.487 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 -144 | Product Guides N/A Seal Guides |
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| -145 PTFE |
IntegrationID
N/A 195323 |
Cross Section Width N/A 0.103 in2.62 mm | Durometer N/A | Inside Diameter N/A 64.77 mm2.550 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 -145 | Product Guides N/A Seal Guides |
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| -146 PTFE |
IntegrationID
N/A 195324 |
Cross Section Width N/A 0.103 in2.62 mm | Durometer N/A | Inside Diameter N/A 66.34 mm2.612 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 -146 | Product Guides N/A Seal Guides |
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| -147 PTFE |
IntegrationID
N/A 195325 |
Cross Section Width N/A 0.103 in2.62 mm | Durometer N/A | Inside Diameter N/A 67.95 mm2.675 in | Cross Section Tolerance +/- N/A 0.003 in0.08 mm | Inside Diameter Tolerance +/- N/A 0.022 in0.55 mm | Size Reference - AS568 N/A -147 | Product Guides N/A Seal Guides |
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| -148 PTFE |
IntegrationID
N/A 195326 |
Cross Section Width N/A 0.103 in2.62 mm | Durometer N/A | Inside Diameter N/A 69.52 mm2.737 in | Cross Section Tolerance +/- N/A 0.003 in0.08 mm | Inside Diameter Tolerance +/- N/A 0.022 in0.55 mm | Size Reference - AS568 N/A -148 | Product Guides N/A Seal Guides |
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| -149 PTFE |
IntegrationID
N/A 195327 |
Cross Section Width N/A 0.103 in2.62 mm | Durometer N/A | Inside Diameter N/A 71.12 mm2.800 in | Cross Section Tolerance +/- N/A 0.003 in0.08 mm | Inside Diameter Tolerance +/- N/A 0.022 in0.55 mm | Size Reference - AS568 N/A -149 | Product Guides N/A Seal Guides |
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| -150 PTFE |
IntegrationID
N/A 195328 |
Cross Section Width N/A 0.103 in2.62 mm | Durometer N/A | Inside Diameter N/A 72.69 mm2.862 in | Cross Section Tolerance +/- N/A 0.003 in0.08 mm | Inside Diameter Tolerance +/- N/A 0.022 in0.55 mm | Size Reference - AS568 N/A -150 | Product Guides N/A Seal Guides |
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| -151 PTFE |
IntegrationID
N/A 195329 |
Cross Section Width N/A 0.103 in2.62 mm | Durometer N/A | Inside Diameter N/A 75.87 mm2.987 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 -151 | Product Guides N/A Seal Guides |
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