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 |
Quantity |
---|---|---|---|---|---|---|---|---|
-427 PTFE |
N/A 195555 |
N/A 0.275 in6.99 mm | N/A | N/A 120.02 mm4.725 in | N/A 0.006 in0.15 mm | N/A 0.033 in0.83 mm | N/A -427 | |
-428 PTFE |
N/A 195556 |
N/A 0.275 in6.99 mm | N/A | N/A 123.19 mm4.850 in | N/A 0.006 in0.15 mm | N/A 0.033 in0.83 mm | N/A -428 | |
-429 PTFE |
N/A 195557 |
N/A 0.275 in6.99 mm | N/A | N/A 126.37 mm4.975 in | N/A 0.006 in0.15 mm | N/A 0.037 in0.93 mm | N/A -429 | |
-430 PTFE |
N/A 195558 |
N/A 0.275 in6.99 mm | N/A | N/A 129.54 mm5.100 in | N/A 0.006 in0.15 mm | N/A 0.037 in0.93 mm | N/A -430 | |
-431 PTFE |
N/A 195559 |
N/A 0.275 in6.99 mm | N/A | N/A 132.72 mm5.225 in | N/A 0.006 in0.15 mm | N/A 0.037 in0.93 mm | N/A -431 | |
-432 PTFE |
N/A 195560 |
N/A 0.275 in6.99 mm | N/A | N/A 135.89 mm5.350 in | N/A 0.006 in0.15 mm | N/A 0.037 in0.93 mm | N/A -432 | |
-433 PTFE |
N/A 195561 |
N/A 0.275 in6.99 mm | N/A | N/A 139.07 mm5.475 in | N/A 0.006 in0.15 mm | N/A 0.037 in0.93 mm | N/A -433 | |
-434 PTFE |
N/A 195562 |
N/A 0.275 in6.99 mm | N/A | N/A 142.24 mm5.600 in | N/A 0.006 in0.15 mm | N/A 0.037 in0.93 mm | N/A -434 | |
-435 PTFE |
N/A 195563 |
N/A 0.275 in6.99 mm | N/A | N/A 145.42 mm5.725 in | N/A 0.006 in0.15 mm | N/A 0.037 in0.93 mm | N/A -435 | |
-436 PTFE |
N/A 195564 |
N/A 0.275 in6.99 mm | N/A | N/A 148.59 mm5.850 in | N/A 0.006 in0.15 mm | N/A 0.037 in0.93 mm | N/A -436 | |
-437 PTFE |
N/A 195565 |
N/A 0.275 in6.99 mm | N/A | N/A 151.77 mm5.975 in | N/A 0.006 in0.15 mm | N/A 0.037 in0.93 mm | N/A -437 | |
-438 PTFE |
N/A 195566 |
N/A 0.275 in6.99 mm | N/A | N/A 158.12 mm6.225 in | N/A 0.006 in0.15 mm | N/A 0.040 in1.01 mm | N/A -438 | |
-439 PTFE |
N/A 195567 |
N/A 0.275 in6.99 mm | N/A | N/A 164.47 mm6.475 in | N/A 0.006 in0.15 mm | N/A 0.040 in1.01 mm | N/A -439 | |
-440 PTFE |
N/A 195568 |
N/A 0.275 in6.99 mm | N/A | N/A 170.82 mm6.725 in | N/A 0.006 in0.15 mm | N/A 0.040 in1.01 mm | N/A -440 | |
-441 PTFE |
N/A 195569 |
N/A 0.275 in6.99 mm | N/A | N/A 177.17 mm6.975 in | N/A 0.006 in0.15 mm | N/A 0.040 in1.01 mm | N/A -441 | |
-442 PTFE |
N/A 195570 |
N/A 0.275 in6.99 mm | N/A | N/A 183.52 mm7.225 in | N/A 0.006 in0.15 mm | N/A 0.045 in1.14 mm | N/A -442 | |
-443 PTFE |
N/A 195571 |
N/A 0.275 in6.99 mm | N/A | N/A 189.87 mm7.475 in | N/A 0.006 in0.15 mm | N/A 0.045 in1.14 mm | N/A -443 | |
-444 PTFE |
N/A 195572 |
N/A 0.275 in6.99 mm | N/A | N/A 196.22 mm7.725 in | N/A 0.006 in0.15 mm | N/A 0.045 in1.14 mm | N/A -444 | |
-445 PTFE |
N/A 195573 |
N/A 0.275 in6.99 mm | N/A | N/A 202.57 mm7.975 in | N/A 0.006 in0.15 mm | N/A 0.045 in1.14 mm | N/A -445 | |
-446 PTFE |
N/A 195574 |
N/A 0.275 in6.99 mm | N/A | N/A 215.27 mm8.475 in | N/A 0.006 in0.15 mm | N/A 0.055 in1.40 mm | N/A -446 | |
-447 PTFE |
N/A 195575 |
N/A 0.275 in6.99 mm | N/A | N/A 227.97 mm8.975 in | N/A 0.006 in0.15 mm | N/A 0.055 in1.40 mm | N/A -447 | |
-448 PTFE |
N/A 195576 |
N/A 0.275 in6.99 mm | N/A | N/A 240.67 mm9.475 in | N/A 0.006 in0.15 mm | N/A 0.055 in1.40 mm | N/A -448 | |
-449 PTFE |
N/A 195577 |
N/A 0.275 in6.99 mm | N/A | N/A 253.37 mm9.975 in | N/A 0.006 in0.15 mm | N/A 0.055 in1.40 mm | N/A -449 | |
-450 PTFE |
N/A 195578 |
N/A 0.275 in6.99 mm | N/A | N/A 266.07 mm10.475 in | N/A 0.006 in0.15 mm | N/A 0.060 in1.52 mm | N/A -450 | |
-451 PTFE |
N/A 195579 |
N/A 0.275 in6.99 mm | N/A | N/A 278.77 mm10.975 in | N/A 0.006 in0.15 mm | N/A 0.060 in1.52 mm | N/A -451 |