• AS568 Buna O-Rings

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.

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Size Reference - AS568

Product Guides

N/A
195430 		N/A 0.139 in3.53 mm N/A N/A 253.59 mm9.984 in N/A 0.004 in0.10 mm N/A 0.055 in1.40 mm N/A -274 N/A Seal Guides
N/A
195431 		N/A 0.139 in3.53 mm N/A N/A 266.29 mm10.484 in N/A 0.004 in0.10 mm N/A 0.055 in1.40 mm N/A -275 N/A Seal Guides
N/A
195432 		N/A 0.139 in3.53 mm N/A N/A 278.99 mm10.984 in N/A 0.004 in0.10 mm N/A 0.065 in1.65 mm N/A -276 N/A Seal Guides
N/A
195433 		N/A 0.139 in3.53 mm N/A N/A 291.69 mm11.484 in N/A 0.004 in0.10 mm N/A 0.065 in1.65 mm N/A -277 N/A Seal Guides
N/A
195434 		N/A 0.139 in3.53 mm N/A N/A 304.39 mm11.984 in N/A 0.004 in0.10 mm N/A 0.065 in1.65 mm N/A -278 N/A Seal Guides
N/A
195435 		N/A 0.139 in3.53 mm N/A N/A 329.79 mm12.984 in N/A 0.004 in0.10 mm N/A 0.065 in1.65 mm N/A -279 N/A Seal Guides
N/A
195436 		N/A 0.139 in3.53 mm N/A N/A 355.19 mm13.984 in N/A 0.004 in0.10 mm N/A 0.065 in1.65 mm N/A -280 N/A Seal Guides
N/A
195437 		N/A 0.139 in3.53 mm N/A N/A 380.59 mm14.984 in N/A 0.004 in0.10 mm N/A 0.065 in1.65 mm N/A -281 N/A Seal Guides
N/A
195438 		N/A 0.139 in3.53 mm N/A N/A 405.26 mm15.955 in N/A 0.004 in0.10 mm N/A 0.075 in1.90 mm N/A -282 N/A Seal Guides
N/A
195439 		N/A 0.139 in3.53 mm N/A N/A 430.66 mm16.955 in N/A 0.004 in0.10 mm N/A 0.080 in2.05 mm N/A -283 N/A Seal Guides
N/A
195440 		N/A 0.139 in3.53 mm N/A N/A 456.06 mm17.955 in N/A 0.004 in0.10 mm N/A 0.085 in2.15 mm N/A -284 N/A Seal Guides
N/A
195441 		N/A 0.210 in5.33 mm N/A N/A 10.46 mm0.412 in N/A 0.005 in0.12 mm N/A 0.005 in0.12 mm N/A -309 N/A Seal Guides
N/A
195442 		N/A 0.210 in5.33 mm N/A N/A 12.07 mm0.475 in N/A 0.005 in0.12 mm N/A 0.005 in0.12 mm N/A -310 N/A Seal Guides
N/A
195443 		N/A 0.210 in5.33 mm N/A N/A 13.64 mm0.537 in N/A 0.005 in0.12 mm N/A 0.007 in0.17 mm N/A -311 N/A Seal Guides
N/A
195444 		N/A 0.210 in5.33 mm N/A N/A 15.24 mm0.600 in N/A 0.005 in0.12 mm N/A 0.009 in0.22 mm N/A -312 N/A Seal Guides
N/A
195445 		N/A 0.210 in5.33 mm N/A N/A 16.81 mm0.662 in N/A 0.005 in0.12 mm N/A 0.009 in0.22 mm N/A -313 N/A Seal Guides
N/A
195446 		N/A 0.210 in5.33 mm N/A N/A 18.42 mm0.725 in N/A 0.005 in0.12 mm N/A 0.010 in0.25 mm N/A -314 N/A Seal Guides
N/A
195447 		N/A 0.210 in5.33 mm N/A N/A 19.99 mm0.787 in N/A 0.005 in0.12 mm N/A 0.010 in0.25 mm N/A -315 N/A Seal Guides
N/A
195448 		N/A 0.210 in5.33 mm N/A N/A 21.59 mm0.850 in N/A 0.005 in0.12 mm N/A 0.010 in0.25 mm N/A -316 N/A Seal Guides
N/A
195449 		N/A 0.210 in5.33 mm N/A N/A 23.16 mm0.912 in N/A 0.005 in0.12 mm N/A 0.010 in0.25 mm N/A -317 N/A Seal Guides
N/A
195450 		N/A 0.210 in5.33 mm N/A N/A 24.77 mm0.975 in N/A 0.005 in0.12 mm N/A 0.010 in0.25 mm N/A -318 N/A Seal Guides
N/A
195451 		N/A 0.210 in5.33 mm N/A N/A 26.34 mm1.037 in N/A 0.005 in0.12 mm N/A 0.010 in0.25 mm N/A -319 N/A Seal Guides
N/A
195452 		N/A 0.210 in5.33 mm N/A N/A 27.94 mm1.100 in N/A 0.005 in0.12 mm N/A 0.012 in0.30 mm N/A -320 N/A Seal Guides
N/A
195453 		N/A 0.210 in5.33 mm N/A N/A 29.51 mm1.162 in N/A 0.005 in0.12 mm N/A 0.012 in0.30 mm N/A -321 N/A Seal Guides
N/A
195454 		N/A 0.210 in5.33 mm N/A N/A 31.12 mm1.225 in N/A 0.005 in0.12 mm N/A 0.012 in0.30 mm N/A -322 N/A Seal Guides
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