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
BS344 AFLAS-83	N/A 187183	N/A BS Standard O-Ring	N/A Aflas	N/A 0.210 in5.33 mm	N/A 83	N/A 3.85 in97.79 mm	N/A 0.005 in0.13 mm	N/A -344
BS343 AFLAS-83	N/A 187184	N/A BS Standard O-Ring	N/A Aflas	N/A 0.210 in5.33 mm	N/A 83	N/A 3.73 in94.62 mm	N/A 0.005 in0.13 mm	N/A -343
BS342 AFLAS-83	N/A 187185	N/A BS Standard O-Ring	N/A Aflas	N/A 0.210 in5.33 mm	N/A 83	N/A 3.60 in91.44 mm	N/A 0.005 in0.13 mm	N/A -342
BS341 AFLAS-83	N/A 187186	N/A BS Standard O-Ring	N/A Aflas	N/A 0.210 in5.33 mm	N/A 83	N/A 3.48 in88.27 mm	N/A 0.005 in0.13 mm	N/A -341
BS340 AFLAS-83	N/A 187187	N/A BS Standard O-Ring	N/A Aflas	N/A 0.210 in5.33 mm	N/A 83	N/A 3.35 in85.09 mm	N/A 0.005 in0.13 mm	N/A -340
BS339 AFLAS-83	N/A 187188	N/A BS Standard O-Ring	N/A Aflas	N/A 0.210 in5.33 mm	N/A 83	N/A 3.23 in81.92 mm	N/A 0.005 in0.13 mm	N/A -339
BS338 AFLAS-83	N/A 187189	N/A BS Standard O-Ring	N/A Aflas	N/A 0.210 in5.33 mm	N/A 83	N/A 3.10 in78.74 mm	N/A 0.005 in0.13 mm	N/A -338
BS337 AFLAS-83	N/A 187190	N/A BS Standard O-Ring	N/A Aflas	N/A 0.210 in5.33 mm	N/A 83	N/A 2.98 in75.57 mm	N/A 0.005 in0.13 mm	N/A -337
BS336 AFLAS-83	N/A 187191	N/A BS Standard O-Ring	N/A Aflas	N/A 0.210 in5.33 mm	N/A 83	N/A 2.85 in72.39 mm	N/A 0.005 in0.13 mm	N/A -336
BS335 AFLAS-83	N/A 187192	N/A BS Standard O-Ring	N/A Aflas	N/A 0.210 in5.33 mm	N/A 83	N/A 2.73 in69.22 mm	N/A 0.005 in0.13 mm	N/A -335
BS334 AFLAS-83	N/A 187193	N/A BS Standard O-Ring	N/A Aflas	N/A 0.210 in5.33 mm	N/A 83	N/A 2.60 in66.04 mm	N/A 0.005 in0.13 mm	N/A -334
BS333 AFLAS-83	N/A 187194	N/A BS Standard O-Ring	N/A Aflas	N/A 0.210 in5.33 mm	N/A 83	N/A 2.48 in62.87 mm	N/A 0.005 in0.13 mm	N/A -333
BS332 AFLAS-83	N/A 187195	N/A BS Standard O-Ring	N/A Aflas	N/A 0.210 in5.33 mm	N/A 83	N/A 2.35 in59.69 mm	N/A 0.005 in0.13 mm	N/A -332
BS331 AFLAS-83	N/A 187196	N/A BS Standard O-Ring	N/A Aflas	N/A 0.210 in5.33 mm	N/A 83	N/A 2.23 in56.52 mm	N/A 0.005 in0.13 mm	N/A -331
BS330 AFLAS-83	N/A 187197	N/A BS Standard O-Ring	N/A Aflas	N/A 0.210 in5.33 mm	N/A 83	N/A 2.10 in53.34 mm	N/A 0.005 in0.13 mm	N/A -330
BS329 AFLAS-83	N/A 187198	N/A BS Standard O-Ring	N/A Aflas	N/A 0.210 in5.33 mm	N/A 83	N/A 1.98 in50.17 mm	N/A 0.005 in0.13 mm	N/A -329
BS328 AFLAS-83	N/A 187199	N/A BS Standard O-Ring	N/A Aflas	N/A 0.210 in5.33 mm	N/A 83	N/A 1.85 in46.99 mm	N/A 0.005 in0.13 mm	N/A -328
BS327 AFLAS-83	N/A 187200	N/A BS Standard O-Ring	N/A Aflas	N/A 0.210 in5.33 mm	N/A 83	N/A 1.73 in43.82 mm	N/A 0.005 in0.13 mm	N/A -327
BS326 AFLAS-83	N/A 187201	N/A BS Standard O-Ring	N/A Aflas	N/A 0.210 in5.33 mm	N/A 83	N/A 1.60 in40.64 mm	N/A 0.005 in0.13 mm	N/A -326
BS325 AFLAS-83	N/A 187202	N/A BS Standard O-Ring	N/A Aflas	N/A 0.210 in5.33 mm	N/A 83	N/A 1.48 in37.47 mm	N/A 0.005 in0.13 mm	N/A -325
BS324 AFLAS-83	N/A 187203	N/A BS Standard O-Ring	N/A Aflas	N/A 0.210 in5.33 mm	N/A 83	N/A 1.35 in34.29 mm	N/A 0.005 in0.13 mm	N/A -324
BS323 AFLAS-83	N/A 187204	N/A BS Standard O-Ring	N/A Aflas	N/A 0.210 in5.33 mm	N/A 83	N/A 1.29 in32.69 mm	N/A 0.005 in0.13 mm	N/A -323
BS322 AFLAS-83	N/A 187205	N/A BS Standard O-Ring	N/A Aflas	N/A 0.210 in5.33 mm	N/A 83	N/A 1.23 in31.12 mm	N/A 0.005 in0.13 mm	N/A -322
BS321 AFLAS-83	N/A 187206	N/A BS Standard O-Ring	N/A Aflas	N/A 0.210 in5.33 mm	N/A 83	N/A 1.16 in29.51 mm	N/A 0.005 in0.13 mm	N/A -321
BS320 AFLAS-83	N/A 187207	N/A BS Standard O-Ring	N/A Aflas	N/A 0.210 in5.33 mm	N/A 83	N/A 1.10 in27.94 mm	N/A 0.005 in0.13 mm	N/A -320

N/A
187183

N/A BS Standard O-Ring

N/A Aflas

N/A 0.210 in5.33 mm

N/A 83

N/A 3.85 in97.79 mm

N/A 0.005 in0.13 mm

N/A -344

BS343 AFLAS-83

N/A
187184

N/A BS Standard O-Ring

N/A Aflas

N/A 0.210 in5.33 mm

N/A 83

N/A 3.73 in94.62 mm

N/A 0.005 in0.13 mm

N/A -343

BS342 AFLAS-83

N/A
187185

N/A BS Standard O-Ring

N/A Aflas

N/A 0.210 in5.33 mm

N/A 83

N/A 3.60 in91.44 mm

N/A 0.005 in0.13 mm

N/A -342

BS341 AFLAS-83

N/A
187186

N/A BS Standard O-Ring

N/A Aflas

N/A 0.210 in5.33 mm

N/A 83

N/A 3.48 in88.27 mm

N/A 0.005 in0.13 mm

N/A -341

BS340 AFLAS-83

N/A
187187

N/A BS Standard O-Ring

N/A Aflas

N/A 0.210 in5.33 mm

N/A 83

N/A 3.35 in85.09 mm

N/A 0.005 in0.13 mm

N/A -340

BS339 AFLAS-83

N/A
187188

N/A BS Standard O-Ring

N/A Aflas

N/A 0.210 in5.33 mm

N/A 83

N/A 3.23 in81.92 mm

N/A 0.005 in0.13 mm

N/A -339

BS338 AFLAS-83

N/A
187189

N/A BS Standard O-Ring

N/A Aflas

N/A 0.210 in5.33 mm

N/A 83

N/A 3.10 in78.74 mm

N/A 0.005 in0.13 mm

N/A -338

BS337 AFLAS-83

N/A
187190

N/A BS Standard O-Ring

N/A Aflas

N/A 0.210 in5.33 mm

N/A 83

N/A 2.98 in75.57 mm

N/A 0.005 in0.13 mm

N/A -337

BS336 AFLAS-83

N/A
187191

N/A BS Standard O-Ring

N/A Aflas

N/A 0.210 in5.33 mm

N/A 83

N/A 2.85 in72.39 mm

N/A 0.005 in0.13 mm

N/A -336

BS335 AFLAS-83

N/A
187192

N/A BS Standard O-Ring

N/A Aflas

N/A 0.210 in5.33 mm

N/A 83

N/A 2.73 in69.22 mm

N/A 0.005 in0.13 mm

N/A -335

BS334 AFLAS-83

N/A
187193

N/A BS Standard O-Ring

N/A Aflas

N/A 0.210 in5.33 mm

N/A 83

N/A 2.60 in66.04 mm

N/A 0.005 in0.13 mm

N/A -334

BS333 AFLAS-83

N/A
187194

N/A BS Standard O-Ring

N/A Aflas

N/A 0.210 in5.33 mm

N/A 83

N/A 2.48 in62.87 mm

N/A 0.005 in0.13 mm

N/A -333

BS332 AFLAS-83

N/A
187195

N/A BS Standard O-Ring

N/A Aflas

N/A 0.210 in5.33 mm

N/A 83

N/A 2.35 in59.69 mm

N/A 0.005 in0.13 mm

N/A -332

BS331 AFLAS-83

N/A
187196

N/A BS Standard O-Ring

N/A Aflas

N/A 0.210 in5.33 mm

N/A 83

N/A 2.23 in56.52 mm

N/A 0.005 in0.13 mm

N/A -331

BS330 AFLAS-83

N/A
187197

N/A BS Standard O-Ring

N/A Aflas

N/A 0.210 in5.33 mm

N/A 83

N/A 2.10 in53.34 mm

N/A 0.005 in0.13 mm

N/A -330

BS329 AFLAS-83

N/A
187198

N/A BS Standard O-Ring

N/A Aflas

N/A 0.210 in5.33 mm

N/A 83

N/A 1.98 in50.17 mm

N/A 0.005 in0.13 mm

N/A -329

BS328 AFLAS-83

N/A
187199

N/A BS Standard O-Ring

N/A Aflas

N/A 0.210 in5.33 mm

N/A 83

N/A 1.85 in46.99 mm

N/A 0.005 in0.13 mm

N/A -328

BS327 AFLAS-83

N/A
187200

N/A BS Standard O-Ring

N/A Aflas

N/A 0.210 in5.33 mm

N/A 83

N/A 1.73 in43.82 mm

N/A 0.005 in0.13 mm

N/A -327

BS326 AFLAS-83

N/A
187201

N/A BS Standard O-Ring

N/A Aflas

N/A 0.210 in5.33 mm

N/A 83

N/A 1.60 in40.64 mm

N/A 0.005 in0.13 mm

N/A -326

BS325 AFLAS-83

N/A
187202

N/A BS Standard O-Ring

N/A Aflas

N/A 0.210 in5.33 mm

N/A 83

N/A 1.48 in37.47 mm

N/A 0.005 in0.13 mm

N/A -325

BS324 AFLAS-83

N/A
187203

N/A BS Standard O-Ring

N/A Aflas

N/A 0.210 in5.33 mm

N/A 83

N/A 1.35 in34.29 mm

N/A 0.005 in0.13 mm

N/A -324

BS323 AFLAS-83

N/A
187204

N/A BS Standard O-Ring

N/A Aflas

N/A 0.210 in5.33 mm

N/A 83

N/A 1.29 in32.69 mm

N/A 0.005 in0.13 mm

N/A -323

BS322 AFLAS-83

N/A
187205

N/A BS Standard O-Ring

N/A Aflas

N/A 0.210 in5.33 mm

N/A 83

N/A 1.23 in31.12 mm

N/A 0.005 in0.13 mm

N/A -322

BS321 AFLAS-83

N/A
187206

N/A BS Standard O-Ring

N/A Aflas

N/A 0.210 in5.33 mm

N/A 83

N/A 1.16 in29.51 mm

N/A 0.005 in0.13 mm

N/A -321

BS320 AFLAS-83

N/A
187207

N/A BS Standard O-Ring

N/A Aflas

N/A 0.210 in5.33 mm

N/A 83

N/A 1.10 in27.94 mm

N/A 0.005 in0.13 mm

N/A -320