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
BS170 AFLAS-83	N/A 187308	N/A BS Standard O-Ring	N/A Aflas	N/A 0.103 in2.62 mm	N/A 83	N/A 7.74 in196.52 mm	N/A 0.003 in0.08 mm	N/A -170
BS169 AFLAS-83	N/A 187309	N/A BS Standard O-Ring	N/A Aflas	N/A 0.103 in2.62 mm	N/A 83	N/A 7.49 in190.17 mm	N/A 0.003 in0.08 mm	N/A -169
BS168 AFLAS-83	N/A 187310	N/A BS Standard O-Ring	N/A Aflas	N/A 0.103 in2.62 mm	N/A 83	N/A 7.24 in183.82 mm	N/A 0.003 in0.08 mm	N/A -168
BS167 AFLAS-83	N/A 187311	N/A BS Standard O-Ring	N/A Aflas	N/A 0.103 in2.62 mm	N/A 83	N/A 6.99 in177.47 mm	N/A 0.003 in0.08 mm	N/A -167
BS166 AFLAS-83	N/A 187312	N/A BS Standard O-Ring	N/A Aflas	N/A 0.103 in2.62 mm	N/A 83	N/A 6.74 in171.12 mm	N/A 0.003 in0.08 mm	N/A -166
BS165 AFLAS-83	N/A 187313	N/A BS Standard O-Ring	N/A Aflas	N/A 0.103 in2.62 mm	N/A 83	N/A 6.49 in164.77 mm	N/A 0.003 in0.08 mm	N/A -165
BS164 AFLAS-83	N/A 187314	N/A BS Standard O-Ring	N/A Aflas	N/A 0.103 in2.62 mm	N/A 83	N/A 6.24 in158.42 mm	N/A 0.003 in0.08 mm	N/A -164
BS163 AFLAS-83	N/A 187315	N/A BS Standard O-Ring	N/A Aflas	N/A 0.103 in2.62 mm	N/A 83	N/A 5.99 in152.07 mm	N/A 0.003 in0.08 mm	N/A -163
BS162 AFLAS-83	N/A 187316	N/A BS Standard O-Ring	N/A Aflas	N/A 0.103 in2.62 mm	N/A 83	N/A 5.74 in145.72 mm	N/A 0.003 in0.08 mm	N/A -162
BS161 AFLAS-83	N/A 187317	N/A BS Standard O-Ring	N/A Aflas	N/A 0.103 in2.62 mm	N/A 83	N/A 5.49 in139.37 mm	N/A 0.003 in0.08 mm	N/A -161
BS175 AFLAS-83	N/A 187318	N/A BS Standard O-Ring	N/A Aflas	N/A 0.103 in2.62 mm	N/A 83	N/A 5.24 in133.02 mm	N/A 0.003 in0.08 mm	N/A -175
BS159 AFLAS-83	N/A 187319	N/A BS Standard O-Ring	N/A Aflas	N/A 0.103 in2.62 mm	N/A 83	N/A 4.99 in126.67 mm	N/A 0.003 in0.08 mm	N/A -159
BS158 AFLAS-83	N/A 187320	N/A BS Standard O-Ring	N/A Aflas	N/A 0.103 in2.62 mm	N/A 83	N/A 4.74 in120.32 mm	N/A 0.003 in0.08 mm	N/A -158
BS157 AFLAS-83	N/A 187321	N/A BS Standard O-Ring	N/A Aflas	N/A 0.103 in2.62 mm	N/A 83	N/A 4.49 in113.97 mm	N/A 0.003 in0.08 mm	N/A -157
BS156 AFLAS-83	N/A 187322	N/A BS Standard O-Ring	N/A Aflas	N/A 0.103 in2.62 mm	N/A 83	N/A 4.24 in107.62 mm	N/A 0.003 in0.08 mm	N/A -156
BS155 AFLAS-83	N/A 187323	N/A BS Standard O-Ring	N/A Aflas	N/A 0.103 in2.62 mm	N/A 83	N/A 3.99 in101.27 mm	N/A 0.003 in0.08 mm	N/A -155
BS154 AFLAS-83	N/A 187324	N/A BS Standard O-Ring	N/A Aflas	N/A 0.103 in2.62 mm	N/A 83	N/A 3.74 in94.92 mm	N/A 0.003 in0.08 mm	N/A -154
BS153 AFLAS-83	N/A 187325	N/A BS Standard O-Ring	N/A Aflas	N/A 0.103 in2.62 mm	N/A 83	N/A 3.49 in88.57 mm	N/A 0.003 in0.08 mm	N/A -153
BS152 AFLAS-83	N/A 187326	N/A BS Standard O-Ring	N/A Aflas	N/A 0.103 in2.62 mm	N/A 83	N/A 3.24 in82.22 mm	N/A 0.003 in0.08 mm	N/A -152
BS151 AFLAS-83	N/A 187327	N/A BS Standard O-Ring	N/A Aflas	N/A 0.103 in2.62 mm	N/A 83	N/A 2.99 in75.87 mm	N/A 0.003 in0.08 mm	N/A -151
BS150 AFLAS-83	N/A 187328	N/A BS Standard O-Ring	N/A Aflas	N/A 0.103 in2.62 mm	N/A 83	N/A 2.86 in72.69 mm	N/A 0.003 in0.08 mm	N/A -150
BS149 AFLAS-83	N/A 187329	N/A BS Standard O-Ring	N/A Aflas	N/A 0.103 in2.62 mm	N/A 83	N/A 2.80 in71.12 mm	N/A 0.003 in0.08 mm	N/A -149
BS148 AFLAS-83	N/A 187330	N/A BS Standard O-Ring	N/A Aflas	N/A 0.103 in2.62 mm	N/A 83	N/A 2.74 in69.52 mm	N/A 0.003 in0.08 mm	N/A -148
BS147 AFLAS-83	N/A 187331	N/A BS Standard O-Ring	N/A Aflas	N/A 0.103 in2.62 mm	N/A 83	N/A 2.68 in67.95 mm	N/A 0.003 in0.08 mm	N/A -147
BS146 AFLAS-83	N/A 187332	N/A BS Standard O-Ring	N/A Aflas	N/A 0.103 in2.62 mm	N/A 83	N/A 2.61 in66.34 mm	N/A 0.003 in0.08 mm	N/A -146

N/A
187308

N/A BS Standard O-Ring

N/A Aflas

N/A 0.103 in2.62 mm

N/A 83

N/A 7.74 in196.52 mm

N/A 0.003 in0.08 mm

N/A -170

BS169 AFLAS-83

N/A
187309

N/A BS Standard O-Ring

N/A Aflas

N/A 0.103 in2.62 mm

N/A 83

N/A 7.49 in190.17 mm

N/A 0.003 in0.08 mm

N/A -169

BS168 AFLAS-83

N/A
187310

N/A BS Standard O-Ring

N/A Aflas

N/A 0.103 in2.62 mm

N/A 83

N/A 7.24 in183.82 mm

N/A 0.003 in0.08 mm

N/A -168

BS167 AFLAS-83

N/A
187311

N/A BS Standard O-Ring

N/A Aflas

N/A 0.103 in2.62 mm

N/A 83

N/A 6.99 in177.47 mm

N/A 0.003 in0.08 mm

N/A -167

BS166 AFLAS-83

N/A
187312

N/A BS Standard O-Ring

N/A Aflas

N/A 0.103 in2.62 mm

N/A 83

N/A 6.74 in171.12 mm

N/A 0.003 in0.08 mm

N/A -166

BS165 AFLAS-83

N/A
187313

N/A BS Standard O-Ring

N/A Aflas

N/A 0.103 in2.62 mm

N/A 83

N/A 6.49 in164.77 mm

N/A 0.003 in0.08 mm

N/A -165

BS164 AFLAS-83

N/A
187314

N/A BS Standard O-Ring

N/A Aflas

N/A 0.103 in2.62 mm

N/A 83

N/A 6.24 in158.42 mm

N/A 0.003 in0.08 mm

N/A -164

BS163 AFLAS-83

N/A
187315

N/A BS Standard O-Ring

N/A Aflas

N/A 0.103 in2.62 mm

N/A 83

N/A 5.99 in152.07 mm

N/A 0.003 in0.08 mm

N/A -163

BS162 AFLAS-83

N/A
187316

N/A BS Standard O-Ring

N/A Aflas

N/A 0.103 in2.62 mm

N/A 83

N/A 5.74 in145.72 mm

N/A 0.003 in0.08 mm

N/A -162

BS161 AFLAS-83

N/A
187317

N/A BS Standard O-Ring

N/A Aflas

N/A 0.103 in2.62 mm

N/A 83

N/A 5.49 in139.37 mm

N/A 0.003 in0.08 mm

N/A -161

BS175 AFLAS-83

N/A
187318

N/A BS Standard O-Ring

N/A Aflas

N/A 0.103 in2.62 mm

N/A 83

N/A 5.24 in133.02 mm

N/A 0.003 in0.08 mm

N/A -175

BS159 AFLAS-83

N/A
187319

N/A BS Standard O-Ring

N/A Aflas

N/A 0.103 in2.62 mm

N/A 83

N/A 4.99 in126.67 mm

N/A 0.003 in0.08 mm

N/A -159

BS158 AFLAS-83

N/A
187320

N/A BS Standard O-Ring

N/A Aflas

N/A 0.103 in2.62 mm

N/A 83

N/A 4.74 in120.32 mm

N/A 0.003 in0.08 mm

N/A -158

BS157 AFLAS-83

N/A
187321

N/A BS Standard O-Ring

N/A Aflas

N/A 0.103 in2.62 mm

N/A 83

N/A 4.49 in113.97 mm

N/A 0.003 in0.08 mm

N/A -157

BS156 AFLAS-83

N/A
187322

N/A BS Standard O-Ring

N/A Aflas

N/A 0.103 in2.62 mm

N/A 83

N/A 4.24 in107.62 mm

N/A 0.003 in0.08 mm

N/A -156

BS155 AFLAS-83

N/A
187323

N/A BS Standard O-Ring

N/A Aflas

N/A 0.103 in2.62 mm

N/A 83

N/A 3.99 in101.27 mm

N/A 0.003 in0.08 mm

N/A -155

BS154 AFLAS-83

N/A
187324

N/A BS Standard O-Ring

N/A Aflas

N/A 0.103 in2.62 mm

N/A 83

N/A 3.74 in94.92 mm

N/A 0.003 in0.08 mm

N/A -154

BS153 AFLAS-83

N/A
187325

N/A BS Standard O-Ring

N/A Aflas

N/A 0.103 in2.62 mm

N/A 83

N/A 3.49 in88.57 mm

N/A 0.003 in0.08 mm

N/A -153

BS152 AFLAS-83

N/A
187326

N/A BS Standard O-Ring

N/A Aflas

N/A 0.103 in2.62 mm

N/A 83

N/A 3.24 in82.22 mm

N/A 0.003 in0.08 mm

N/A -152

BS151 AFLAS-83

N/A
187327

N/A BS Standard O-Ring

N/A Aflas

N/A 0.103 in2.62 mm

N/A 83

N/A 2.99 in75.87 mm

N/A 0.003 in0.08 mm

N/A -151

BS150 AFLAS-83

N/A
187328

N/A BS Standard O-Ring

N/A Aflas

N/A 0.103 in2.62 mm

N/A 83

N/A 2.86 in72.69 mm

N/A 0.003 in0.08 mm

N/A -150

BS149 AFLAS-83

N/A
187329

N/A BS Standard O-Ring

N/A Aflas

N/A 0.103 in2.62 mm

N/A 83

N/A 2.80 in71.12 mm

N/A 0.003 in0.08 mm

N/A -149

BS148 AFLAS-83

N/A
187330

N/A BS Standard O-Ring

N/A Aflas

N/A 0.103 in2.62 mm

N/A 83

N/A 2.74 in69.52 mm

N/A 0.003 in0.08 mm

N/A -148

BS147 AFLAS-83

N/A
187331

N/A BS Standard O-Ring

N/A Aflas

N/A 0.103 in2.62 mm

N/A 83

N/A 2.68 in67.95 mm

N/A 0.003 in0.08 mm

N/A -147

BS146 AFLAS-83

N/A
187332

N/A BS Standard O-Ring

N/A Aflas

N/A 0.103 in2.62 mm

N/A 83

N/A 2.61 in66.34 mm

N/A 0.003 in0.08 mm

N/A -146