Monroe
OneMonroe
Locations Throughout the Country
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Tel: (877) 740-2007
Fax: (800) 453-9683
Email: sales@askmonroe.com
Website: monroeengineering.com
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OneMonroe Aflas® O-Rings offer exceptional durability and resistance, engineered for high-performance applications where standard elastomers fall short. Made from Aflas® material, these O-rings are specifically designed to withstand challenging environments with extreme temperatures, chemicals, and aggressive fluids. Their outstanding resilience against oil, steam, acids, and alkalis makes them ideal for industries such as chemical processing, oil and gas, and automotive manufacturing, where exposure to such conditions is common. OneMonroe Aflas® O-Rings provide a reliable sealing solution that maintains its integrity and performance even in the most demanding applications.

The versatility of Aflas® material allows OneMonroe O-Rings to perform exceptionally in both high- and low-temperature ranges, ranging from -10°C to 200°C (14°F to 392°F). This unique thermal resistance ensures that these O-rings can be used effectively across a wide spectrum of applications, minimizing the need for frequent replacements and maintenance. In addition to temperature resilience, Aflas® O-Rings resist a variety of chemicals and fluids, including amines, bases, acids, and hydrocarbons. Their durability and adaptability make them a cost-effective choice for industries that demand long-lasting, reliable sealing solutions under extreme conditions.

OneMonroe’s commitment to quality ensures that each Aflas® O-Ring is manufactured with precision to meet rigorous industry standards. Available in a range of sizes and thicknesses, these O-rings offer flexibility in design while maintaining consistent, dependable sealing performance. With OneMonroe Aflas® O-Rings, you can be assured of high-quality components that deliver long-term reliability, reduce downtime, and support seamless operations across industries. Trust in OneMonroe to provide O-rings that uphold the highest standards in durability, chemical resistance, and thermal stability for all your specialized sealing needs.

For more information, please see: Comparison Properties Chart, PTFE Encapsulated O-rings, Material Shelf Life, and O-ring Groove Design Chart.

BS O-Rings
Unit of Measure
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Item #

IntegrationID

Type

Material

Cross Section Width

Durometer

Inside Diameter

CSW Tolerance

BS Number

Quantity
BS381 AFLAS-75 N/A
186683 		N/A BS Standard O-Ring N/A Aflas N/A 0.210 in5.33 mm N/A 75 N/A 11.98 in304.17 mm N/A 0.005 in0.13 mm N/A -381
BS380 AFLAS-75 N/A
186684 		N/A BS Standard O-Ring N/A Aflas N/A 0.210 in5.33 mm N/A 75 N/A 11.48 in291.47 mm N/A 0.005 in0.13 mm N/A -380
BS379 AFLAS-75 N/A
186685 		N/A BS Standard O-Ring N/A Aflas N/A 0.210 in5.33 mm N/A 75 N/A 10.98 in278.77 mm N/A 0.005 in0.13 mm N/A -379
BS378 AFLAS-75 N/A
186686 		N/A BS Standard O-Ring N/A Aflas N/A 0.210 in5.33 mm N/A 75 N/A 10.48 in266.07 mm N/A 0.005 in0.13 mm N/A -378
BS377 AFLAS-75 N/A
186687 		N/A BS Standard O-Ring N/A Aflas N/A 0.210 in5.33 mm N/A 75 N/A 9.98 in253.37 mm N/A 0.005 in0.13 mm N/A -377
BS376 AFLAS-75 N/A
186688 		N/A BS Standard O-Ring N/A Aflas N/A 0.210 in5.33 mm N/A 75 N/A 9.73 in247.02 mm N/A 0.005 in0.13 mm N/A -376
BS375 AFLAS-75 N/A
186689 		N/A BS Standard O-Ring N/A Aflas N/A 0.210 in5.33 mm N/A 75 N/A 9.48 in240.67 mm N/A 0.005 in0.13 mm N/A -375
BS374 AFLAS-75 N/A
186690 		N/A BS Standard O-Ring N/A Aflas N/A 0.210 in5.33 mm N/A 75 N/A 9.23 in234.32 mm N/A 0.005 in0.13 mm N/A -374
BS373 AFLAS-75 N/A
186691 		N/A BS Standard O-Ring N/A Aflas N/A 0.210 in5.33 mm N/A 75 N/A 8.98 in227.97 mm N/A 0.005 in0.13 mm N/A -373
BS372 AFLAS-75 N/A
186692 		N/A BS Standard O-Ring N/A Aflas N/A 0.210 in5.33 mm N/A 75 N/A 8.73 in221.62 mm N/A 0.005 in0.13 mm N/A -372
BS371 AFLAS-75 N/A
186693 		N/A BS Standard O-Ring N/A Aflas N/A 0.210 in5.33 mm N/A 75 N/A 8.48 in215.27 mm N/A 0.005 in0.13 mm N/A -371
BS370 AFLAS-75 N/A
186694 		N/A BS Standard O-Ring N/A Aflas N/A 0.210 in5.33 mm N/A 75 N/A 8.23 in208.92 mm N/A 0.005 in0.13 mm N/A -370
BS369 AFLAS-75 N/A
186695 		N/A BS Standard O-Ring N/A Aflas N/A 0.210 in5.33 mm N/A 75 N/A 7.98 in202.57 mm N/A 0.005 in0.13 mm N/A -369
BS368 AFLAS-75 N/A
186696 		N/A BS Standard O-Ring N/A Aflas N/A 0.210 in5.33 mm N/A 75 N/A 7.73 in196.22 mm N/A 0.005 in0.13 mm N/A -368
BS367 AFLAS-75 N/A
186697 		N/A BS Standard O-Ring N/A Aflas N/A 0.210 in5.33 mm N/A 75 N/A 7.48 in189.87 mm N/A 0.005 in0.13 mm N/A -367
BS366 AFLAS-75 N/A
186698 		N/A BS Standard O-Ring N/A Aflas N/A 0.210 in5.33 mm N/A 75 N/A 7.23 in183.52 mm N/A 0.005 in0.13 mm N/A -366
BS365 AFLAS-75 N/A
186699 		N/A BS Standard O-Ring N/A Aflas N/A 0.210 in5.33 mm N/A 75 N/A 6.98 in177.17 mm N/A 0.005 in0.13 mm N/A -365
BS364 AFLAS-75 N/A
186700 		N/A BS Standard O-Ring N/A Aflas N/A 0.210 in5.33 mm N/A 75 N/A 6.73 in170.82 mm N/A 0.005 in0.13 mm N/A -364
BS363 AFLAS-75 N/A
186701 		N/A BS Standard O-Ring N/A Aflas N/A 0.210 in5.33 mm N/A 75 N/A 6.48 in164.47 mm N/A 0.005 in0.13 mm N/A -363
BS362 AFLAS-75 N/A
186702 		N/A BS Standard O-Ring N/A Aflas N/A 0.210 in5.33 mm N/A 75 N/A 6.23 in158.12 mm N/A 0.005 in0.13 mm N/A -362
BS361 AFLAS-75 N/A
186703 		N/A BS Standard O-Ring N/A Aflas N/A 0.210 in5.33 mm N/A 75 N/A 5.98 in151.77 mm N/A 0.005 in0.13 mm N/A -361
BS375 AFLAS-75 N/A
186704 		N/A BS Standard O-Ring N/A Aflas N/A 0.210 in5.33 mm N/A 75 N/A 5.85 in148.59 mm N/A 0.005 in0.13 mm N/A -375
BS359 AFLAS-75 N/A
186705 		N/A BS Standard O-Ring N/A Aflas N/A 0.210 in5.33 mm N/A 75 N/A 5.73 in145.42 mm N/A 0.005 in0.13 mm N/A -359
BS358 AFLAS-75 N/A
186706 		N/A BS Standard O-Ring N/A Aflas N/A 0.210 in5.33 mm N/A 75 N/A 5.60 in142.24 mm N/A 0.005 in0.13 mm N/A -358
BS357 AFLAS-75 N/A
186707 		N/A BS Standard O-Ring N/A Aflas N/A 0.210 in5.33 mm N/A 75 N/A 5.48 in139.07 mm N/A 0.005 in0.13 mm N/A -357
Unit of Measure
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