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
BS643 AFLAS-83	N/A 187033	N/A BS Standard O-Ring	N/A Aflas	N/A 0.103 in2.62 mm	N/A 83	N/A 3.30 in83.79 mm	N/A 0.003 in0.08 mm	N/A -643
BS642 AFLAS-83	N/A 187034	N/A BS Standard O-Ring	N/A Aflas	N/A 0.103 in2.62 mm	N/A 83	N/A 3.17 in80.62 mm	N/A 0.003 in0.08 mm	N/A -642
BS641 AFLAS-83	N/A 187035	N/A BS Standard O-Ring	N/A Aflas	N/A 0.103 in2.62 mm	N/A 83	N/A 3.05 in77.44 mm	N/A 0.003 in0.08 mm	N/A -641
BS640 AFLAS-83	N/A 187036	N/A BS Standard O-Ring	N/A Aflas	N/A 0.103 in2.62 mm	N/A 83	N/A 2.92 in74.27 mm	N/A 0.003 in0.08 mm	N/A -640
BS628 AFLAS-83	N/A 187037	N/A BS Standard O-Ring	N/A Aflas	N/A 0.275 in6.99 mm	N/A 83	N/A 6.56 in166.70 mm	N/A 0.006 in0.15 mm	N/A -628
BS627 AFLAS-83	N/A 187038	N/A BS Standard O-Ring	N/A Aflas	N/A 0.275 in6.99 mm	N/A 83	N/A 6.28 in159.54 mm	N/A 0.006 in0.15 mm	N/A -627
BS626 AFLAS-83	N/A 187039	N/A BS Standard O-Ring	N/A Aflas	N/A 0.275 in6.99 mm	N/A 83	N/A 5.30 in134.54 mm	N/A 0.006 in0.15 mm	N/A -626
BS625 AFLAS-83	N/A 187040	N/A BS Standard O-Ring	N/A Aflas	N/A 0.275 in6.99 mm	N/A 83	N/A 4.91 in124.61 mm	N/A 0.006 in0.15 mm	N/A -625
BS624 AFLAS-83	N/A 187041	N/A BS Standard O-Ring	N/A Aflas	N/A 0.275 in6.99 mm	N/A 83	N/A 4.52 in114.71 mm	N/A 0.006 in0.15 mm	N/A -624
BS623 AFLAS-83	N/A 187042	N/A BS Standard O-Ring	N/A Aflas	N/A 0.210 in5.33 mm	N/A 83	N/A 4.31 in109.54 mm	N/A 0.005 in0.13 mm	N/A -623
BS622 AFLAS-83	N/A 187043	N/A BS Standard O-Ring	N/A Aflas	N/A 0.210 in5.33 mm	N/A 83	N/A 3.94 in100.00 mm	N/A 0.005 in0.13 mm	N/A -622
BS621 AFLAS-83	N/A 187044	N/A BS Standard O-Ring	N/A Aflas	N/A 0.210 in5.33 mm	N/A 83	N/A 3.53 in89.69 mm	N/A 0.005 in0.13 mm	N/A -621
BS620 AFLAS-83	N/A 187045	N/A BS Standard O-Ring	N/A Aflas	N/A 0.210 in5.33 mm	N/A 83	N/A 3.14 in79.78 mm	N/A 0.005 in0.13 mm	N/A -620
BS619 AFLAS-83	N/A 187046	N/A BS Standard O-Ring	N/A Aflas	N/A 0.210 in5.33 mm	N/A 83	N/A 2.94 in74.61 mm	N/A 0.005 in0.13 mm	N/A -619
BS618 AFLAS-83	N/A 187047	N/A BS Standard O-Ring	N/A Aflas	N/A 0.139 in3.53 mm	N/A 83	N/A 1.02 in25.81 mm	N/A 0.004 in0.10 mm	N/A -618
BS617 AFLAS-83	N/A 187048	N/A BS Standard O-Ring	N/A Aflas	N/A 0.103 in2.62 mm	N/A 83	N/A 0.70 in17.86 mm	N/A 0.003 in0.08 mm	N/A -617
BS616 AFLAS-83	N/A 187049	N/A BS Standard O-Ring	N/A Aflas	N/A 0.103 in2.62 mm	N/A 83	N/A 0.59 in15.09 mm	N/A 0.003 in0.08 mm	N/A -616
BS615 AFLAS-83	N/A 187050	N/A BS Standard O-Ring	N/A Aflas	N/A 0.103 in2.62 mm	N/A 83	N/A 0.52 in13.11 mm	N/A 0.003 in0.08 mm	N/A -615
BS614 AFLAS-83	N/A 187051	N/A BS Standard O-Ring	N/A Aflas	N/A 0.103 in2.62 mm	N/A 83	N/A 0.47 in11.91 mm	N/A 0.003 in0.08 mm	N/A -614
BS613 AFLAS-83	N/A 187052	N/A BS Standard O-Ring	N/A Aflas	N/A 0.103 in2.62 mm	N/A 83	N/A 0.39 in9.93 mm	N/A 0.003 in0.08 mm	N/A -613
BS611 AFLAS-83	N/A 187053	N/A BS Standard O-Ring	N/A Aflas	N/A 0.070 in1.78 mm	N/A 83	N/A 0.34 in8.74 mm	N/A 0.003 in0.08 mm	N/A -611
BS610 AFLAS-83	N/A 187054	N/A BS Standard O-Ring	N/A Aflas	N/A 0.070 in1.78 mm	N/A 83	N/A 0.27 in6.76 mm	N/A 0.003 in0.08 mm	N/A -610
BS757 AFLAS-83	N/A 187055	N/A BS Standard O-Ring	N/A Aflas	N/A 0.040 in1.02 mm	N/A 83	N/A 0.10 in2.54 mm	N/A 0.003 in0.08 mm	N/A -757
BS756 AFLAS-83	N/A 187056	N/A BS Standard O-Ring	N/A Aflas	N/A 0.040 in1.02 mm	N/A 83	N/A 0.07 in1.78 mm	N/A 0.003 in0.08 mm	N/A -756
BS562 AFLAS-83	N/A 187057	N/A BS Standard O-Ring	N/A Aflas	N/A 0.070 in1.78 mm	N/A 83	N/A 6.84 in173.86 mm	N/A 0.003 in0.08 mm	N/A -562

N/A
187033

N/A BS Standard O-Ring

N/A Aflas

N/A 0.103 in2.62 mm

N/A 83

N/A 3.30 in83.79 mm

N/A 0.003 in0.08 mm

N/A -643

BS642 AFLAS-83

N/A
187034

N/A BS Standard O-Ring

N/A Aflas

N/A 0.103 in2.62 mm

N/A 83

N/A 3.17 in80.62 mm

N/A 0.003 in0.08 mm

N/A -642

BS641 AFLAS-83

N/A
187035

N/A BS Standard O-Ring

N/A Aflas

N/A 0.103 in2.62 mm

N/A 83

N/A 3.05 in77.44 mm

N/A 0.003 in0.08 mm

N/A -641

BS640 AFLAS-83

N/A
187036

N/A BS Standard O-Ring

N/A Aflas

N/A 0.103 in2.62 mm

N/A 83

N/A 2.92 in74.27 mm

N/A 0.003 in0.08 mm

N/A -640

BS628 AFLAS-83

N/A
187037

N/A BS Standard O-Ring

N/A Aflas

N/A 0.275 in6.99 mm

N/A 83

N/A 6.56 in166.70 mm

N/A 0.006 in0.15 mm

N/A -628

BS627 AFLAS-83

N/A
187038

N/A BS Standard O-Ring

N/A Aflas

N/A 0.275 in6.99 mm

N/A 83

N/A 6.28 in159.54 mm

N/A 0.006 in0.15 mm

N/A -627

BS626 AFLAS-83

N/A
187039

N/A BS Standard O-Ring

N/A Aflas

N/A 0.275 in6.99 mm

N/A 83

N/A 5.30 in134.54 mm

N/A 0.006 in0.15 mm

N/A -626

BS625 AFLAS-83

N/A
187040

N/A BS Standard O-Ring

N/A Aflas

N/A 0.275 in6.99 mm

N/A 83

N/A 4.91 in124.61 mm

N/A 0.006 in0.15 mm

N/A -625

BS624 AFLAS-83

N/A
187041

N/A BS Standard O-Ring

N/A Aflas

N/A 0.275 in6.99 mm

N/A 83

N/A 4.52 in114.71 mm

N/A 0.006 in0.15 mm

N/A -624

BS623 AFLAS-83

N/A
187042

N/A BS Standard O-Ring

N/A Aflas

N/A 0.210 in5.33 mm

N/A 83

N/A 4.31 in109.54 mm

N/A 0.005 in0.13 mm

N/A -623

BS622 AFLAS-83

N/A
187043

N/A BS Standard O-Ring

N/A Aflas

N/A 0.210 in5.33 mm

N/A 83

N/A 3.94 in100.00 mm

N/A 0.005 in0.13 mm

N/A -622

BS621 AFLAS-83

N/A
187044

N/A BS Standard O-Ring

N/A Aflas

N/A 0.210 in5.33 mm

N/A 83

N/A 3.53 in89.69 mm

N/A 0.005 in0.13 mm

N/A -621

BS620 AFLAS-83

N/A
187045

N/A BS Standard O-Ring

N/A Aflas

N/A 0.210 in5.33 mm

N/A 83

N/A 3.14 in79.78 mm

N/A 0.005 in0.13 mm

N/A -620

BS619 AFLAS-83

N/A
187046

N/A BS Standard O-Ring

N/A Aflas

N/A 0.210 in5.33 mm

N/A 83

N/A 2.94 in74.61 mm

N/A 0.005 in0.13 mm

N/A -619

BS618 AFLAS-83

N/A
187047

N/A BS Standard O-Ring

N/A Aflas

N/A 0.139 in3.53 mm

N/A 83

N/A 1.02 in25.81 mm

N/A 0.004 in0.10 mm

N/A -618

BS617 AFLAS-83

N/A
187048

N/A BS Standard O-Ring

N/A Aflas

N/A 0.103 in2.62 mm

N/A 83

N/A 0.70 in17.86 mm

N/A 0.003 in0.08 mm

N/A -617

BS616 AFLAS-83

N/A
187049

N/A BS Standard O-Ring

N/A Aflas

N/A 0.103 in2.62 mm

N/A 83

N/A 0.59 in15.09 mm

N/A 0.003 in0.08 mm

N/A -616

BS615 AFLAS-83

N/A
187050

N/A BS Standard O-Ring

N/A Aflas

N/A 0.103 in2.62 mm

N/A 83

N/A 0.52 in13.11 mm

N/A 0.003 in0.08 mm

N/A -615

BS614 AFLAS-83

N/A
187051

N/A BS Standard O-Ring

N/A Aflas

N/A 0.103 in2.62 mm

N/A 83

N/A 0.47 in11.91 mm

N/A 0.003 in0.08 mm

N/A -614

BS613 AFLAS-83

N/A
187052

N/A BS Standard O-Ring

N/A Aflas

N/A 0.103 in2.62 mm

N/A 83

N/A 0.39 in9.93 mm

N/A 0.003 in0.08 mm

N/A -613

BS611 AFLAS-83

N/A
187053

N/A BS Standard O-Ring

N/A Aflas

N/A 0.070 in1.78 mm

N/A 83

N/A 0.34 in8.74 mm

N/A 0.003 in0.08 mm

N/A -611

BS610 AFLAS-83

N/A
187054

N/A BS Standard O-Ring

N/A Aflas

N/A 0.070 in1.78 mm

N/A 83

N/A 0.27 in6.76 mm

N/A 0.003 in0.08 mm

N/A -610

BS757 AFLAS-83

N/A
187055

N/A BS Standard O-Ring

N/A Aflas

N/A 0.040 in1.02 mm

N/A 83

N/A 0.10 in2.54 mm

N/A 0.003 in0.08 mm

N/A -757

BS756 AFLAS-83

N/A
187056

N/A BS Standard O-Ring

N/A Aflas

N/A 0.040 in1.02 mm

N/A 83

N/A 0.07 in1.78 mm

N/A 0.003 in0.08 mm

N/A -756

BS562 AFLAS-83

N/A
187057

N/A BS Standard O-Ring

N/A Aflas

N/A 0.070 in1.78 mm

N/A 83

N/A 6.84 in173.86 mm

N/A 0.003 in0.08 mm

N/A -562