Monroe
OneMonroe
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Tel: (877) 740-2007
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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
BS331 AFLAS-75 N/A
186733 		N/A BS Standard O-Ring N/A Aflas N/A 0.210 in5.33 mm N/A 75 N/A 2.23 in56.52 mm N/A 0.005 in0.13 mm N/A -331
BS330 AFLAS-75 N/A
186734 		N/A BS Standard O-Ring N/A Aflas N/A 0.210 in5.33 mm N/A 75 N/A 2.10 in53.34 mm N/A 0.005 in0.13 mm N/A -330
BS329 AFLAS-75 N/A
186735 		N/A BS Standard O-Ring N/A Aflas N/A 0.210 in5.33 mm N/A 75 N/A 1.98 in50.17 mm N/A 0.005 in0.13 mm N/A -329
BS328 AFLAS-75 N/A
186736 		N/A BS Standard O-Ring N/A Aflas N/A 0.210 in5.33 mm N/A 75 N/A 1.85 in46.99 mm N/A 0.005 in0.13 mm N/A -328
BS327 AFLAS-75 N/A
186737 		N/A BS Standard O-Ring N/A Aflas N/A 0.210 in5.33 mm N/A 75 N/A 1.73 in43.82 mm N/A 0.005 in0.13 mm N/A -327
BS326 AFLAS-75 N/A
186738 		N/A BS Standard O-Ring N/A Aflas N/A 0.210 in5.33 mm N/A 75 N/A 1.60 in40.64 mm N/A 0.005 in0.13 mm N/A -326
BS325 AFLAS-75 N/A
186739 		N/A BS Standard O-Ring N/A Aflas N/A 0.210 in5.33 mm N/A 75 N/A 1.48 in37.47 mm N/A 0.005 in0.13 mm N/A -325
BS324 AFLAS-75 N/A
186740 		N/A BS Standard O-Ring N/A Aflas N/A 0.210 in5.33 mm N/A 75 N/A 1.35 in34.29 mm N/A 0.005 in0.13 mm N/A -324
BS323 AFLAS-75 N/A
186741 		N/A BS Standard O-Ring N/A Aflas N/A 0.210 in5.33 mm N/A 75 N/A 1.29 in32.69 mm N/A 0.005 in0.13 mm N/A -323
BS322 AFLAS-75 N/A
186742 		N/A BS Standard O-Ring N/A Aflas N/A 0.210 in5.33 mm N/A 75 N/A 1.23 in31.12 mm N/A 0.005 in0.13 mm N/A -322
BS321 AFLAS-75 N/A
186743 		N/A BS Standard O-Ring N/A Aflas N/A 0.210 in5.33 mm N/A 75 N/A 1.16 in29.51 mm N/A 0.005 in0.13 mm N/A -321
BS320 AFLAS-75 N/A
186744 		N/A BS Standard O-Ring N/A Aflas N/A 0.210 in5.33 mm N/A 75 N/A 1.10 in27.94 mm N/A 0.005 in0.13 mm N/A -320
BS319 AFLAS-75 N/A
186745 		N/A BS Standard O-Ring N/A Aflas N/A 0.210 in5.33 mm N/A 75 N/A 1.04 in26.34 mm N/A 0.005 in0.13 mm N/A -319
BS318 AFLAS-75 N/A
186746 		N/A BS Standard O-Ring N/A Aflas N/A 0.210 in5.33 mm N/A 75 N/A 0.98 in24.77 mm N/A 0.005 in0.13 mm N/A -318
BS317 AFLAS-75 N/A
186747 		N/A BS Standard O-Ring N/A Aflas N/A 0.210 in5.33 mm N/A 75 N/A 0.91 in23.16 mm N/A 0.005 in0.13 mm N/A -317
BS316 AFLAS-75 N/A
186748 		N/A BS Standard O-Ring N/A Aflas N/A 0.210 in5.33 mm N/A 75 N/A 0.85 in21.59 mm N/A 0.005 in0.13 mm N/A -316
BS315 AFLAS-75 N/A
186749 		N/A BS Standard O-Ring N/A Aflas N/A 0.210 in5.33 mm N/A 75 N/A 0.79 in19.99 mm N/A 0.005 in0.13 mm N/A -315
BS314 AFLAS-75 N/A
186750 		N/A BS Standard O-Ring N/A Aflas N/A 0.210 in5.33 mm N/A 75 N/A 0.73 in18.42 mm N/A 0.005 in0.13 mm N/A -314
BS313 AFLAS-75 N/A
186751 		N/A BS Standard O-Ring N/A Aflas N/A 0.210 in5.33 mm N/A 75 N/A 0.66 in16.81 mm N/A 0.005 in0.13 mm N/A -313
BS312 AFLAS-75 N/A
186752 		N/A BS Standard O-Ring N/A Aflas N/A 0.210 in5.33 mm N/A 75 N/A 0.60 in15.24 mm N/A 0.005 in0.13 mm N/A -312
BS311 AFLAS-75 N/A
186753 		N/A BS Standard O-Ring N/A Aflas N/A 0.210 in5.33 mm N/A 75 N/A 0.54 in13.64 mm N/A 0.005 in0.13 mm N/A -311
BS310 AFLAS-75 N/A
186754 		N/A BS Standard O-Ring N/A Aflas N/A 0.210 in5.33 mm N/A 75 N/A 0.48 in12.07 mm N/A 0.005 in0.13 mm N/A -310
BS309 AFLAS-75 N/A
186755 		N/A BS Standard O-Ring N/A Aflas N/A 0.210 in5.33 mm N/A 75 N/A 0.41 in10.46 mm N/A 0.005 in0.13 mm N/A -309
BS281 AFLAS-75 N/A
186756 		N/A BS Standard O-Ring N/A Aflas N/A 0.139 in3.53 mm N/A 75 N/A 14.98 in380.59 mm N/A 0.004 in0.10 mm N/A -281
BS280 AFLAS-75 N/A
186757 		N/A BS Standard O-Ring N/A Aflas N/A 0.139 in3.53 mm N/A 75 N/A 13.98 in355.19 mm N/A 0.004 in0.10 mm N/A -280
Unit of Measure
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