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
BS217 AFLAS-83	N/A 187283	N/A BS Standard O-Ring	N/A Aflas	N/A 0.139 in3.53 mm	N/A 83	N/A 1.17 in29.74 mm	N/A 0.004 in0.10 mm	N/A -217
BS216 AFLAS-83	N/A 187284	N/A BS Standard O-Ring	N/A Aflas	N/A 0.139 in3.53 mm	N/A 83	N/A 1.11 in28.17 mm	N/A 0.004 in0.10 mm	N/A -216
BS215 AFLAS-83	N/A 187285	N/A BS Standard O-Ring	N/A Aflas	N/A 0.139 in3.53 mm	N/A 83	N/A 1.05 in26.57 mm	N/A 0.004 in0.10 mm	N/A -215
BS214 AFLAS-83	N/A 187286	N/A BS Standard O-Ring	N/A Aflas	N/A 0.139 in3.53 mm	N/A 83	N/A 0.98 in24.99 mm	N/A 0.004 in0.10 mm	N/A -214
BS213 AFLAS-83	N/A 187287	N/A BS Standard O-Ring	N/A Aflas	N/A 0.139 in3.53 mm	N/A 83	N/A 0.92 in23.39 mm	N/A 0.004 in0.10 mm	N/A -213
BS212 AFLAS-83	N/A 187288	N/A BS Standard O-Ring	N/A Aflas	N/A 0.139 in3.53 mm	N/A 83	N/A 0.86 in21.82 mm	N/A 0.004 in0.10 mm	N/A -212
BS211 AFLAS-83	N/A 187289	N/A BS Standard O-Ring	N/A Aflas	N/A 0.139 in3.53 mm	N/A 83	N/A 0.80 in20.22 mm	N/A 0.004 in0.10 mm	N/A -211
BS210 AFLAS-83	N/A 187290	N/A BS Standard O-Ring	N/A Aflas	N/A 0.139 in3.53 mm	N/A 83	N/A 0.73 in18.64 mm	N/A 0.004 in0.10 mm	N/A -210
BS209 AFLAS-83	N/A 187291	N/A BS Standard O-Ring	N/A Aflas	N/A 0.139 in3.53 mm	N/A 83	N/A 0.67 in17.07 mm	N/A 0.004 in0.10 mm	N/A -209
BS208 AFLAS-83	N/A 187292	N/A BS Standard O-Ring	N/A Aflas	N/A 0.139 in3.53 mm	N/A 83	N/A 0.61 in15.47 mm	N/A 0.004 in0.10 mm	N/A -208
BS207 AFLAS-83	N/A 187293	N/A BS Standard O-Ring	N/A Aflas	N/A 0.139 in3.53 mm	N/A 83	N/A 0.55 in13.94 mm	N/A 0.004 in0.10 mm	N/A -207
BS206 AFLAS-83	N/A 187294	N/A BS Standard O-Ring	N/A Aflas	N/A 0.139 in3.53 mm	N/A 83	N/A 0.48 in12.29 mm	N/A 0.004 in0.10 mm	N/A -206
BS205 AFLAS-83	N/A 187295	N/A BS Standard O-Ring	N/A Aflas	N/A 0.139 in3.53 mm	N/A 83	N/A 0.42 in10.69 mm	N/A 0.004 in0.10 mm	N/A -205
BS204 AFLAS-83	N/A 187296	N/A BS Standard O-Ring	N/A Aflas	N/A 0.139 in3.53 mm	N/A 83	N/A 0.36 in9.12 mm	N/A 0.004 in0.10 mm	N/A -204
BS203 AFLAS-83	N/A 187297	N/A BS Standard O-Ring	N/A Aflas	N/A 0.139 in3.53 mm	N/A 83	N/A 0.30 in7.52 mm	N/A 0.004 in0.10 mm	N/A -203
BS202 AFLAS-83	N/A 187298	N/A BS Standard O-Ring	N/A Aflas	N/A 0.139 in3.53 mm	N/A 83	N/A 0.23 in5.94 mm	N/A 0.004 in0.10 mm	N/A -202
BS201 AFLAS-83	N/A 187299	N/A BS Standard O-Ring	N/A Aflas	N/A 0.139 in3.53 mm	N/A 83	N/A 0.17 in4.34 mm	N/A 0.004 in0.10 mm	N/A -201
BS178 AFLAS-83	N/A 187300	N/A BS Standard O-Ring	N/A Aflas	N/A 0.103 in2.62 mm	N/A 83	N/A 9.74 in247.32 mm	N/A 0.003 in0.08 mm	N/A -178
BS177 AFLAS-83	N/A 187301	N/A BS Standard O-Ring	N/A Aflas	N/A 0.103 in2.62 mm	N/A 83	N/A 9.49 in240.97 mm	N/A 0.003 in0.08 mm	N/A -177
BS176 AFLAS-83	N/A 187302	N/A BS Standard O-Ring	N/A Aflas	N/A 0.103 in2.62 mm	N/A 83	N/A 9.24 in234.62 mm	N/A 0.003 in0.08 mm	N/A -176
BS175 AFLAS-83	N/A 187303	N/A BS Standard O-Ring	N/A Aflas	N/A 0.103 in2.62 mm	N/A 83	N/A 8.99 in228.27 mm	N/A 0.003 in0.08 mm	N/A -175
BS174 AFLAS-83	N/A 187304	N/A BS Standard O-Ring	N/A Aflas	N/A 0.103 in2.62 mm	N/A 83	N/A 8.74 in221.92 mm	N/A 0.003 in0.08 mm	N/A -174
BS173 AFLAS-83	N/A 187305	N/A BS Standard O-Ring	N/A Aflas	N/A 0.103 in2.62 mm	N/A 83	N/A 8.49 in215.57 mm	N/A 0.003 in0.08 mm	N/A -173
BS172 AFLAS-83	N/A 187306	N/A BS Standard O-Ring	N/A Aflas	N/A 0.103 in2.62 mm	N/A 83	N/A 8.24 in209.22 mm	N/A 0.003 in0.08 mm	N/A -172
BS171 AFLAS-83	N/A 187307	N/A BS Standard O-Ring	N/A Aflas	N/A 0.103 in2.62 mm	N/A 83	N/A 7.99 in202.87 mm	N/A 0.003 in0.08 mm	N/A -171

N/A
187283

N/A BS Standard O-Ring

N/A Aflas

N/A 0.139 in3.53 mm

N/A 83

N/A 1.17 in29.74 mm

N/A 0.004 in0.10 mm

N/A -217

BS216 AFLAS-83

N/A
187284

N/A BS Standard O-Ring

N/A Aflas

N/A 0.139 in3.53 mm

N/A 83

N/A 1.11 in28.17 mm

N/A 0.004 in0.10 mm

N/A -216

BS215 AFLAS-83

N/A
187285

N/A BS Standard O-Ring

N/A Aflas

N/A 0.139 in3.53 mm

N/A 83

N/A 1.05 in26.57 mm

N/A 0.004 in0.10 mm

N/A -215

BS214 AFLAS-83

N/A
187286

N/A BS Standard O-Ring

N/A Aflas

N/A 0.139 in3.53 mm

N/A 83

N/A 0.98 in24.99 mm

N/A 0.004 in0.10 mm

N/A -214

BS213 AFLAS-83

N/A
187287

N/A BS Standard O-Ring

N/A Aflas

N/A 0.139 in3.53 mm

N/A 83

N/A 0.92 in23.39 mm

N/A 0.004 in0.10 mm

N/A -213

BS212 AFLAS-83

N/A
187288

N/A BS Standard O-Ring

N/A Aflas

N/A 0.139 in3.53 mm

N/A 83

N/A 0.86 in21.82 mm

N/A 0.004 in0.10 mm

N/A -212

BS211 AFLAS-83

N/A
187289

N/A BS Standard O-Ring

N/A Aflas

N/A 0.139 in3.53 mm

N/A 83

N/A 0.80 in20.22 mm

N/A 0.004 in0.10 mm

N/A -211

BS210 AFLAS-83

N/A
187290

N/A BS Standard O-Ring

N/A Aflas

N/A 0.139 in3.53 mm

N/A 83

N/A 0.73 in18.64 mm

N/A 0.004 in0.10 mm

N/A -210

BS209 AFLAS-83

N/A
187291

N/A BS Standard O-Ring

N/A Aflas

N/A 0.139 in3.53 mm

N/A 83

N/A 0.67 in17.07 mm

N/A 0.004 in0.10 mm

N/A -209

BS208 AFLAS-83

N/A
187292

N/A BS Standard O-Ring

N/A Aflas

N/A 0.139 in3.53 mm

N/A 83

N/A 0.61 in15.47 mm

N/A 0.004 in0.10 mm

N/A -208

BS207 AFLAS-83

N/A
187293

N/A BS Standard O-Ring

N/A Aflas

N/A 0.139 in3.53 mm

N/A 83

N/A 0.55 in13.94 mm

N/A 0.004 in0.10 mm

N/A -207

BS206 AFLAS-83

N/A
187294

N/A BS Standard O-Ring

N/A Aflas

N/A 0.139 in3.53 mm

N/A 83

N/A 0.48 in12.29 mm

N/A 0.004 in0.10 mm

N/A -206

BS205 AFLAS-83

N/A
187295

N/A BS Standard O-Ring

N/A Aflas

N/A 0.139 in3.53 mm

N/A 83

N/A 0.42 in10.69 mm

N/A 0.004 in0.10 mm

N/A -205

BS204 AFLAS-83

N/A
187296

N/A BS Standard O-Ring

N/A Aflas

N/A 0.139 in3.53 mm

N/A 83

N/A 0.36 in9.12 mm

N/A 0.004 in0.10 mm

N/A -204

BS203 AFLAS-83

N/A
187297

N/A BS Standard O-Ring

N/A Aflas

N/A 0.139 in3.53 mm

N/A 83

N/A 0.30 in7.52 mm

N/A 0.004 in0.10 mm

N/A -203

BS202 AFLAS-83

N/A
187298

N/A BS Standard O-Ring

N/A Aflas

N/A 0.139 in3.53 mm

N/A 83

N/A 0.23 in5.94 mm

N/A 0.004 in0.10 mm

N/A -202

BS201 AFLAS-83

N/A
187299

N/A BS Standard O-Ring

N/A Aflas

N/A 0.139 in3.53 mm

N/A 83

N/A 0.17 in4.34 mm

N/A 0.004 in0.10 mm

N/A -201

BS178 AFLAS-83

N/A
187300

N/A BS Standard O-Ring

N/A Aflas

N/A 0.103 in2.62 mm

N/A 83

N/A 9.74 in247.32 mm

N/A 0.003 in0.08 mm

N/A -178

BS177 AFLAS-83

N/A
187301

N/A BS Standard O-Ring

N/A Aflas

N/A 0.103 in2.62 mm

N/A 83

N/A 9.49 in240.97 mm

N/A 0.003 in0.08 mm

N/A -177

BS176 AFLAS-83

N/A
187302

N/A BS Standard O-Ring

N/A Aflas

N/A 0.103 in2.62 mm

N/A 83

N/A 9.24 in234.62 mm

N/A 0.003 in0.08 mm

N/A -176

BS175 AFLAS-83

N/A
187303

N/A BS Standard O-Ring

N/A Aflas

N/A 0.103 in2.62 mm

N/A 83

N/A 8.99 in228.27 mm

N/A 0.003 in0.08 mm

N/A -175

BS174 AFLAS-83

N/A
187304

N/A BS Standard O-Ring

N/A Aflas

N/A 0.103 in2.62 mm

N/A 83

N/A 8.74 in221.92 mm

N/A 0.003 in0.08 mm

N/A -174

BS173 AFLAS-83

N/A
187305

N/A BS Standard O-Ring

N/A Aflas

N/A 0.103 in2.62 mm

N/A 83

N/A 8.49 in215.57 mm

N/A 0.003 in0.08 mm

N/A -173

BS172 AFLAS-83

N/A
187306

N/A BS Standard O-Ring

N/A Aflas

N/A 0.103 in2.62 mm

N/A 83

N/A 8.24 in209.22 mm

N/A 0.003 in0.08 mm

N/A -172

BS171 AFLAS-83

N/A
187307

N/A BS Standard O-Ring

N/A Aflas

N/A 0.103 in2.62 mm

N/A 83

N/A 7.99 in202.87 mm

N/A 0.003 in0.08 mm

N/A -171