BS Aflas O-Rings | OneMonroe

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.

Item #	IntegrationID	Type	Material	Cross Section Width	Durometer	Inside Diameter	CSW Tolerance	BS Number
BS394 AFLAS-83	N/A 187133	N/A BS Standard O-Ring	N/A Aflas	N/A 0.210 in5.33 mm	N/A 83	N/A 24.94 in633.48 mm	N/A 0.005 in0.13 mm	N/A -394
BS393 AFLAS-83	N/A 187134	N/A BS Standard O-Ring	N/A Aflas	N/A 0.210 in5.33 mm	N/A 83	N/A 29.85 in758.08 mm	N/A 0.005 in0.13 mm	N/A -393
BS392 AFLAS-83	N/A 187135	N/A BS Standard O-Ring	N/A Aflas	N/A 0.210 in5.33 mm	N/A 83	N/A 22.94 in582.68 mm	N/A 0.005 in0.13 mm	N/A -392
BS391 AFLAS-83	N/A 187136	N/A BS Standard O-Ring	N/A Aflas	N/A 0.210 in5.33 mm	N/A 83	N/A 21.96 in557.66 mm	N/A 0.005 in0.13 mm	N/A -391
BS390 AFLAS-83	N/A 187137	N/A BS Standard O-Ring	N/A Aflas	N/A 0.210 in5.33 mm	N/A 83	N/A 20.96 in532.26 mm	N/A 0.005 in0.13 mm	N/A -390
BS389 AFLAS-83	N/A 187138	N/A BS Standard O-Ring	N/A Aflas	N/A 0.210 in5.33 mm	N/A 83	N/A 19.96 in506.86 mm	N/A 0.005 in0.13 mm	N/A -389
BS388 AFLAS-83	N/A 187139	N/A BS Standard O-Ring	N/A Aflas	N/A 0.210 in5.33 mm	N/A 83	N/A 18.96 in481.46 mm	N/A 0.005 in0.13 mm	N/A -388
BS387 AFLAS-83	N/A 187140	N/A BS Standard O-Ring	N/A Aflas	N/A 0.210 in5.33 mm	N/A 83	N/A 17.96 in456.06 mm	N/A 0.005 in0.13 mm	N/A -387
BS386 AFLAS-83	N/A 187141	N/A BS Standard O-Ring	N/A Aflas	N/A 0.210 in5.33 mm	N/A 83	N/A 16.96 in430.66 mm	N/A 0.005 in0.13 mm	N/A -386
BS385 AFLAS-83	N/A 187142	N/A BS Standard O-Ring	N/A Aflas	N/A 0.210 in5.33 mm	N/A 83	N/A 15.96 in405.26 mm	N/A 0.005 in0.13 mm	N/A -385
BS384 AFLAS-83	N/A 187143	N/A BS Standard O-Ring	N/A Aflas	N/A 0.210 in5.33 mm	N/A 83	N/A 14.98 in380.37 mm	N/A 0.005 in0.13 mm	N/A -384
BS383 AFLAS-83	N/A 187144	N/A BS Standard O-Ring	N/A Aflas	N/A 0.210 in5.33 mm	N/A 83	N/A 13.98 in354.97 mm	N/A 0.005 in0.13 mm	N/A -383
BS382 AFLAS-83	N/A 187145	N/A BS Standard O-Ring	N/A Aflas	N/A 0.210 in5.33 mm	N/A 83	N/A 12.98 in329.57 mm	N/A 0.005 in0.13 mm	N/A -382
BS381 AFLAS-83	N/A 187146	N/A BS Standard O-Ring	N/A Aflas	N/A 0.210 in5.33 mm	N/A 83	N/A 11.98 in304.17 mm	N/A 0.005 in0.13 mm	N/A -381
BS380 AFLAS-83	N/A 187147	N/A BS Standard O-Ring	N/A Aflas	N/A 0.210 in5.33 mm	N/A 83	N/A 11.48 in291.47 mm	N/A 0.005 in0.13 mm	N/A -380
BS379 AFLAS-83	N/A 187148	N/A BS Standard O-Ring	N/A Aflas	N/A 0.210 in5.33 mm	N/A 83	N/A 10.98 in278.77 mm	N/A 0.005 in0.13 mm	N/A -379
BS378 AFLAS-83	N/A 187149	N/A BS Standard O-Ring	N/A Aflas	N/A 0.210 in5.33 mm	N/A 83	N/A 10.48 in266.07 mm	N/A 0.005 in0.13 mm	N/A -378
BS377 AFLAS-83	N/A 187150	N/A BS Standard O-Ring	N/A Aflas	N/A 0.210 in5.33 mm	N/A 83	N/A 9.98 in253.37 mm	N/A 0.005 in0.13 mm	N/A -377
BS376 AFLAS-83	N/A 187151	N/A BS Standard O-Ring	N/A Aflas	N/A 0.210 in5.33 mm	N/A 83	N/A 9.73 in247.02 mm	N/A 0.005 in0.13 mm	N/A -376
BS375 AFLAS-83	N/A 187152	N/A BS Standard O-Ring	N/A Aflas	N/A 0.210 in5.33 mm	N/A 83	N/A 9.48 in240.67 mm	N/A 0.005 in0.13 mm	N/A -375
BS374 AFLAS-83	N/A 187153	N/A BS Standard O-Ring	N/A Aflas	N/A 0.210 in5.33 mm	N/A 83	N/A 9.23 in234.32 mm	N/A 0.005 in0.13 mm	N/A -374
BS373 AFLAS-83	N/A 187154	N/A BS Standard O-Ring	N/A Aflas	N/A 0.210 in5.33 mm	N/A 83	N/A 8.98 in227.97 mm	N/A 0.005 in0.13 mm	N/A -373
BS372 AFLAS-83	N/A 187155	N/A BS Standard O-Ring	N/A Aflas	N/A 0.210 in5.33 mm	N/A 83	N/A 8.73 in221.62 mm	N/A 0.005 in0.13 mm	N/A -372
BS371 AFLAS-83	N/A 187156	N/A BS Standard O-Ring	N/A Aflas	N/A 0.210 in5.33 mm	N/A 83	N/A 8.48 in215.27 mm	N/A 0.005 in0.13 mm	N/A -371
BS370 AFLAS-83	N/A 187157	N/A BS Standard O-Ring	N/A Aflas	N/A 0.210 in5.33 mm	N/A 83	N/A 8.23 in208.92 mm	N/A 0.005 in0.13 mm	N/A -370

N/A
187133

N/A BS Standard O-Ring

N/A Aflas

N/A 0.210 in5.33 mm

N/A 83

N/A 24.94 in633.48 mm

N/A 0.005 in0.13 mm

N/A -394

BS393 AFLAS-83

N/A
187134

N/A BS Standard O-Ring

N/A Aflas

N/A 0.210 in5.33 mm

N/A 83

N/A 29.85 in758.08 mm

N/A 0.005 in0.13 mm

N/A -393

BS392 AFLAS-83

N/A
187135

N/A BS Standard O-Ring

N/A Aflas

N/A 0.210 in5.33 mm

N/A 83

N/A 22.94 in582.68 mm

N/A 0.005 in0.13 mm

N/A -392

BS391 AFLAS-83

N/A
187136

N/A BS Standard O-Ring

N/A Aflas

N/A 0.210 in5.33 mm

N/A 83

N/A 21.96 in557.66 mm

N/A 0.005 in0.13 mm

N/A -391

BS390 AFLAS-83

N/A
187137

N/A BS Standard O-Ring

N/A Aflas

N/A 0.210 in5.33 mm

N/A 83

N/A 20.96 in532.26 mm

N/A 0.005 in0.13 mm

N/A -390

BS389 AFLAS-83

N/A
187138

N/A BS Standard O-Ring

N/A Aflas

N/A 0.210 in5.33 mm

N/A 83

N/A 19.96 in506.86 mm

N/A 0.005 in0.13 mm

N/A -389

BS388 AFLAS-83

N/A
187139

N/A BS Standard O-Ring

N/A Aflas

N/A 0.210 in5.33 mm

N/A 83

N/A 18.96 in481.46 mm

N/A 0.005 in0.13 mm

N/A -388

BS387 AFLAS-83

N/A
187140

N/A BS Standard O-Ring

N/A Aflas

N/A 0.210 in5.33 mm

N/A 83

N/A 17.96 in456.06 mm

N/A 0.005 in0.13 mm

N/A -387

BS386 AFLAS-83

N/A
187141

N/A BS Standard O-Ring

N/A Aflas

N/A 0.210 in5.33 mm

N/A 83

N/A 16.96 in430.66 mm

N/A 0.005 in0.13 mm

N/A -386

BS385 AFLAS-83

N/A
187142

N/A BS Standard O-Ring

N/A Aflas

N/A 0.210 in5.33 mm

N/A 83

N/A 15.96 in405.26 mm

N/A 0.005 in0.13 mm

N/A -385

BS384 AFLAS-83

N/A
187143

N/A BS Standard O-Ring

N/A Aflas

N/A 0.210 in5.33 mm

N/A 83

N/A 14.98 in380.37 mm

N/A 0.005 in0.13 mm

N/A -384

BS383 AFLAS-83

N/A
187144

N/A BS Standard O-Ring

N/A Aflas

N/A 0.210 in5.33 mm

N/A 83

N/A 13.98 in354.97 mm

N/A 0.005 in0.13 mm

N/A -383

BS382 AFLAS-83

N/A
187145

N/A BS Standard O-Ring

N/A Aflas

N/A 0.210 in5.33 mm

N/A 83

N/A 12.98 in329.57 mm

N/A 0.005 in0.13 mm

N/A -382

BS381 AFLAS-83

N/A
187146

N/A BS Standard O-Ring

N/A Aflas

N/A 0.210 in5.33 mm

N/A 83

N/A 11.98 in304.17 mm

N/A 0.005 in0.13 mm

N/A -381

BS380 AFLAS-83

N/A
187147

N/A BS Standard O-Ring

N/A Aflas

N/A 0.210 in5.33 mm

N/A 83

N/A 11.48 in291.47 mm

N/A 0.005 in0.13 mm

N/A -380

BS379 AFLAS-83

N/A
187148

N/A BS Standard O-Ring

N/A Aflas

N/A 0.210 in5.33 mm

N/A 83

N/A 10.98 in278.77 mm

N/A 0.005 in0.13 mm

N/A -379

BS378 AFLAS-83

N/A
187149

N/A BS Standard O-Ring

N/A Aflas

N/A 0.210 in5.33 mm

N/A 83

N/A 10.48 in266.07 mm

N/A 0.005 in0.13 mm

N/A -378

BS377 AFLAS-83

N/A
187150

N/A BS Standard O-Ring

N/A Aflas

N/A 0.210 in5.33 mm

N/A 83

N/A 9.98 in253.37 mm

N/A 0.005 in0.13 mm

N/A -377

BS376 AFLAS-83

N/A
187151

N/A BS Standard O-Ring

N/A Aflas

N/A 0.210 in5.33 mm

N/A 83

N/A 9.73 in247.02 mm

N/A 0.005 in0.13 mm

N/A -376

BS375 AFLAS-83

N/A
187152

N/A BS Standard O-Ring

N/A Aflas

N/A 0.210 in5.33 mm

N/A 83

N/A 9.48 in240.67 mm

N/A 0.005 in0.13 mm

N/A -375

BS374 AFLAS-83

N/A
187153

N/A BS Standard O-Ring

N/A Aflas

N/A 0.210 in5.33 mm

N/A 83

N/A 9.23 in234.32 mm

N/A 0.005 in0.13 mm

N/A -374

BS373 AFLAS-83

N/A
187154

N/A BS Standard O-Ring

N/A Aflas

N/A 0.210 in5.33 mm

N/A 83

N/A 8.98 in227.97 mm

N/A 0.005 in0.13 mm

N/A -373

BS372 AFLAS-83

N/A
187155

N/A BS Standard O-Ring

N/A Aflas

N/A 0.210 in5.33 mm

N/A 83

N/A 8.73 in221.62 mm

N/A 0.005 in0.13 mm

N/A -372

BS371 AFLAS-83

N/A
187156

N/A BS Standard O-Ring

N/A Aflas

N/A 0.210 in5.33 mm

N/A 83

N/A 8.48 in215.27 mm

N/A 0.005 in0.13 mm

N/A -371

BS370 AFLAS-83

N/A
187157

N/A BS Standard O-Ring

N/A Aflas

N/A 0.210 in5.33 mm

N/A 83

N/A 8.23 in208.92 mm

N/A 0.005 in0.13 mm

N/A -370