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
BS44 AFLAS-83	N/A 187383	N/A BS Standard O-Ring	N/A Aflas	N/A 0.070 in1.78 mm	N/A 83	N/A 3.74 in94.97 mm	N/A 0.003 in0.08 mm	N/A -044
BS43 AFLAS-83	N/A 187384	N/A BS Standard O-Ring	N/A Aflas	N/A 0.070 in1.78 mm	N/A 83	N/A 3.49 in88.62 mm	N/A 0.003 in0.08 mm	N/A -043
BS42 AFLAS-83	N/A 187385	N/A BS Standard O-Ring	N/A Aflas	N/A 0.070 in1.78 mm	N/A 83	N/A 3.24 in82.27 mm	N/A 0.003 in0.08 mm	N/A -042
BS41 AFLAS-83	N/A 187386	N/A BS Standard O-Ring	N/A Aflas	N/A 0.070 in1.78 mm	N/A 83	N/A 2.99 in75.92 mm	N/A 0.003 in0.08 mm	N/A -041
BS40 AFLAS-83	N/A 187387	N/A BS Standard O-Ring	N/A Aflas	N/A 0.070 in1.78 mm	N/A 83	N/A 2.86 in72.75 mm	N/A 0.003 in0.08 mm	N/A -040
BS39 AFLAS-83	N/A 187388	N/A BS Standard O-Ring	N/A Aflas	N/A 0.070 in1.78 mm	N/A 83	N/A 2.74 in69.57 mm	N/A 0.003 in0.08 mm	N/A -039
BS38 AFLAS-83	N/A 187389	N/A BS Standard O-Ring	N/A Aflas	N/A 0.070 in1.78 mm	N/A 83	N/A 2.61 in66.40 mm	N/A 0.003 in0.08 mm	N/A -038
BS37 AFLAS-83	N/A 187390	N/A BS Standard O-Ring	N/A Aflas	N/A 0.070 in1.78 mm	N/A 83	N/A 2.49 in63.22 mm	N/A 0.003 in0.08 mm	N/A -037
BS36 AFLAS-83	N/A 187391	N/A BS Standard O-Ring	N/A Aflas	N/A 0.070 in1.78 mm	N/A 83	N/A 2.95 in75.05 mm	N/A 0.003 in0.08 mm	N/A -036
BS35 AFLAS-83	N/A 187392	N/A BS Standard O-Ring	N/A Aflas	N/A 0.070 in1.78 mm	N/A 83	N/A 2.24 in56.87 mm	N/A 0.003 in0.08 mm	N/A -035
BS34 AFLAS-83	N/A 187393	N/A BS Standard O-Ring	N/A Aflas	N/A 0.070 in1.78 mm	N/A 83	N/A 2.11 in53.70 mm	N/A 0.003 in0.08 mm	N/A -034
BS33 AFLAS-83	N/A 187394	N/A BS Standard O-Ring	N/A Aflas	N/A 0.070 in1.78 mm	N/A 83	N/A 1.99 in50.52 mm	N/A 0.003 in0.08 mm	N/A -033
BS32 AFLAS-83	N/A 187395	N/A BS Standard O-Ring	N/A Aflas	N/A 0.070 in1.78 mm	N/A 83	N/A 1.86 in47.35 mm	N/A 0.003 in0.08 mm	N/A -032
BS31 AFLAS-83	N/A 187396	N/A BS Standard O-Ring	N/A Aflas	N/A 0.070 in1.78 mm	N/A 83	N/A 1.74 in44.17 mm	N/A 0.003 in0.08 mm	N/A -031
BS30 AFLAS-83	N/A 187397	N/A BS Standard O-Ring	N/A Aflas	N/A 0.070 in1.78 mm	N/A 83	N/A 1.61 in41.00 mm	N/A 0.003 in0.08 mm	N/A -030
BS29 AFLAS-83	N/A 187398	N/A BS Standard O-Ring	N/A Aflas	N/A 0.070 in1.78 mm	N/A 83	N/A 1.49 in37.82 mm	N/A 0.003 in0.08 mm	N/A -029
BS28 AFLAS-83	N/A 187399	N/A BS Standard O-Ring	N/A Aflas	N/A 0.070 in1.78 mm	N/A 83	N/A 1.36 in34.65 mm	N/A 0.003 in0.08 mm	N/A -028
BS27 AFLAS-83	N/A 187400	N/A BS Standard O-Ring	N/A Aflas	N/A 0.070 in1.78 mm	N/A 83	N/A 1.30 in33.05 mm	N/A 0.003 in0.08 mm	N/A -027
BS26 AFLAS-83	N/A 187401	N/A BS Standard O-Ring	N/A Aflas	N/A 0.070 in1.78 mm	N/A 83	N/A 1.24 in31.47 mm	N/A 0.003 in0.08 mm	N/A -026
BS25 AFLAS-83	N/A 187402	N/A BS Standard O-Ring	N/A Aflas	N/A 0.070 in1.78 mm	N/A 83	N/A 1.18 in29.87 mm	N/A 0.003 in0.08 mm	N/A -025
BS24 AFLAS-83	N/A 187403	N/A BS Standard O-Ring	N/A Aflas	N/A 0.070 in1.78 mm	N/A 83	N/A 1.11 in28.30 mm	N/A 0.003 in0.08 mm	N/A -024
BS23 AFLAS-83	N/A 187404	N/A BS Standard O-Ring	N/A Aflas	N/A 0.070 in1.78 mm	N/A 83	N/A 1.05 in26.70 mm	N/A 0.003 in0.08 mm	N/A -023
BS22 AFLAS-83	N/A 187405	N/A BS Standard O-Ring	N/A Aflas	N/A 0.070 in1.78 mm	N/A 83	N/A 0.99 in25.12 mm	N/A 0.003 in0.08 mm	N/A -022
BS21 AFLAS-83	N/A 187406	N/A BS Standard O-Ring	N/A Aflas	N/A 0.070 in1.78 mm	N/A 83	N/A 0.93 in23.52 mm	N/A 0.003 in0.08 mm	N/A -021
BS20 AFLAS-83	N/A 187407	N/A BS Standard O-Ring	N/A Aflas	N/A 0.070 in1.78 mm	N/A 83	N/A 0.86 in21.95 mm	N/A 0.003 in0.08 mm	N/A -020

N/A
187383

N/A BS Standard O-Ring

N/A Aflas

N/A 0.070 in1.78 mm

N/A 83

N/A 3.74 in94.97 mm

N/A 0.003 in0.08 mm

N/A -044

BS43 AFLAS-83

N/A
187384

N/A BS Standard O-Ring

N/A Aflas

N/A 0.070 in1.78 mm

N/A 83

N/A 3.49 in88.62 mm

N/A 0.003 in0.08 mm

N/A -043

BS42 AFLAS-83

N/A
187385

N/A BS Standard O-Ring

N/A Aflas

N/A 0.070 in1.78 mm

N/A 83

N/A 3.24 in82.27 mm

N/A 0.003 in0.08 mm

N/A -042

BS41 AFLAS-83

N/A
187386

N/A BS Standard O-Ring

N/A Aflas

N/A 0.070 in1.78 mm

N/A 83

N/A 2.99 in75.92 mm

N/A 0.003 in0.08 mm

N/A -041

BS40 AFLAS-83

N/A
187387

N/A BS Standard O-Ring

N/A Aflas

N/A 0.070 in1.78 mm

N/A 83

N/A 2.86 in72.75 mm

N/A 0.003 in0.08 mm

N/A -040

BS39 AFLAS-83

N/A
187388

N/A BS Standard O-Ring

N/A Aflas

N/A 0.070 in1.78 mm

N/A 83

N/A 2.74 in69.57 mm

N/A 0.003 in0.08 mm

N/A -039

BS38 AFLAS-83

N/A
187389

N/A BS Standard O-Ring

N/A Aflas

N/A 0.070 in1.78 mm

N/A 83

N/A 2.61 in66.40 mm

N/A 0.003 in0.08 mm

N/A -038

BS37 AFLAS-83

N/A
187390

N/A BS Standard O-Ring

N/A Aflas

N/A 0.070 in1.78 mm

N/A 83

N/A 2.49 in63.22 mm

N/A 0.003 in0.08 mm

N/A -037

BS36 AFLAS-83

N/A
187391

N/A BS Standard O-Ring

N/A Aflas

N/A 0.070 in1.78 mm

N/A 83

N/A 2.95 in75.05 mm

N/A 0.003 in0.08 mm

N/A -036

BS35 AFLAS-83

N/A
187392

N/A BS Standard O-Ring

N/A Aflas

N/A 0.070 in1.78 mm

N/A 83

N/A 2.24 in56.87 mm

N/A 0.003 in0.08 mm

N/A -035

BS34 AFLAS-83

N/A
187393

N/A BS Standard O-Ring

N/A Aflas

N/A 0.070 in1.78 mm

N/A 83

N/A 2.11 in53.70 mm

N/A 0.003 in0.08 mm

N/A -034

BS33 AFLAS-83

N/A
187394

N/A BS Standard O-Ring

N/A Aflas

N/A 0.070 in1.78 mm

N/A 83

N/A 1.99 in50.52 mm

N/A 0.003 in0.08 mm

N/A -033

BS32 AFLAS-83

N/A
187395

N/A BS Standard O-Ring

N/A Aflas

N/A 0.070 in1.78 mm

N/A 83

N/A 1.86 in47.35 mm

N/A 0.003 in0.08 mm

N/A -032

BS31 AFLAS-83

N/A
187396

N/A BS Standard O-Ring

N/A Aflas

N/A 0.070 in1.78 mm

N/A 83

N/A 1.74 in44.17 mm

N/A 0.003 in0.08 mm

N/A -031

BS30 AFLAS-83

N/A
187397

N/A BS Standard O-Ring

N/A Aflas

N/A 0.070 in1.78 mm

N/A 83

N/A 1.61 in41.00 mm

N/A 0.003 in0.08 mm

N/A -030

BS29 AFLAS-83

N/A
187398

N/A BS Standard O-Ring

N/A Aflas

N/A 0.070 in1.78 mm

N/A 83

N/A 1.49 in37.82 mm

N/A 0.003 in0.08 mm

N/A -029

BS28 AFLAS-83

N/A
187399

N/A BS Standard O-Ring

N/A Aflas

N/A 0.070 in1.78 mm

N/A 83

N/A 1.36 in34.65 mm

N/A 0.003 in0.08 mm

N/A -028

BS27 AFLAS-83

N/A
187400

N/A BS Standard O-Ring

N/A Aflas

N/A 0.070 in1.78 mm

N/A 83

N/A 1.30 in33.05 mm

N/A 0.003 in0.08 mm

N/A -027

BS26 AFLAS-83

N/A
187401

N/A BS Standard O-Ring

N/A Aflas

N/A 0.070 in1.78 mm

N/A 83

N/A 1.24 in31.47 mm

N/A 0.003 in0.08 mm

N/A -026

BS25 AFLAS-83

N/A
187402

N/A BS Standard O-Ring

N/A Aflas

N/A 0.070 in1.78 mm

N/A 83

N/A 1.18 in29.87 mm

N/A 0.003 in0.08 mm

N/A -025

BS24 AFLAS-83

N/A
187403

N/A BS Standard O-Ring

N/A Aflas

N/A 0.070 in1.78 mm

N/A 83

N/A 1.11 in28.30 mm

N/A 0.003 in0.08 mm

N/A -024

BS23 AFLAS-83

N/A
187404

N/A BS Standard O-Ring

N/A Aflas

N/A 0.070 in1.78 mm

N/A 83

N/A 1.05 in26.70 mm

N/A 0.003 in0.08 mm

N/A -023

BS22 AFLAS-83

N/A
187405

N/A BS Standard O-Ring

N/A Aflas

N/A 0.070 in1.78 mm

N/A 83

N/A 0.99 in25.12 mm

N/A 0.003 in0.08 mm

N/A -022

BS21 AFLAS-83

N/A
187406

N/A BS Standard O-Ring

N/A Aflas

N/A 0.070 in1.78 mm

N/A 83

N/A 0.93 in23.52 mm

N/A 0.003 in0.08 mm

N/A -021

BS20 AFLAS-83

N/A
187407

N/A BS Standard O-Ring

N/A Aflas

N/A 0.070 in1.78 mm

N/A 83

N/A 0.86 in21.95 mm

N/A 0.003 in0.08 mm

N/A -020