Monroe
OneMonroe
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Website: monroeengineering.com
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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.

BS O-Rings
Unit of Measure
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Item #

IntegrationID

Type

Material

Cross Section Width

Durometer

Inside Diameter

CSW Tolerance

BS Number

Quantity
BS6 AFLAS-75 N/A
186958 		N/A BS Standard O-Ring N/A Aflas N/A 0.070 in1.78 mm N/A 75 N/A 0.11 in2.90 mm N/A 0.003 in0.08 mm N/A -006
BS5 AFLAS-75 N/A
186959 		N/A BS Standard O-Ring N/A Aflas N/A 0.070 in1.78 mm N/A 75 N/A 0.10 in2.57 mm N/A 0.003 in0.08 mm N/A -005
BS4 AFLAS-75 N/A
186960 		N/A BS Standard O-Ring N/A Aflas N/A 0.070 in1.78 mm N/A 75 N/A 0.07 in1.78 mm N/A 0.003 in0.08 mm N/A -004
BS3 AFLAS-75 N/A
186961 		N/A BS Standard O-Ring N/A Aflas N/A 0.075 in1.91 mm N/A 75 N/A 0.06 in1.42 mm N/A 0.003 in0.08 mm N/A -003
BS2 AFLAS-75 N/A
186962 		N/A BS Standard O-Ring N/A Aflas N/A 0.050 in1.27 mm N/A 75 N/A 0.04 in1.07 mm N/A 0.003 in0.08 mm N/A -002
BS445A AFLAS-75 N/A
186963 		N/A BS Standard O-Ring N/A Aflas N/A 0.275 in6.99 mm N/A 75 N/A 8.23 in208.92 mm N/A 0.006 in0.15 mm N/A -445A
BS446A AFLAS-75 N/A
186964 		N/A BS Standard O-Ring N/A Aflas N/A 0.275 in6.99 mm N/A 75 N/A 8.73 in221.62 mm N/A 0.006 in0.15 mm N/A -446A
BS447A AFLAS-75 N/A
186965 		N/A BS Standard O-Ring N/A Aflas N/A 0.275 in6.99 mm N/A 75 N/A 9.23 in234.32 mm N/A 0.006 in0.15 mm N/A -447A
BS448A AFLAS-75 N/A
186966 		N/A BS Standard O-Ring N/A Aflas N/A 0.275 in6.99 mm N/A 75 N/A 9.73 in247.02 mm N/A 0.006 in0.15 mm N/A -448A
BS449A AFLAS-75 N/A
186967 		N/A BS Standard O-Ring N/A Aflas N/A 0.275 in6.99 mm N/A 75 N/A 10.23 in259.72 mm N/A 0.006 in0.15 mm N/A -449A
BS450A AFLAS-75 N/A
186968 		N/A BS Standard O-Ring N/A Aflas N/A 0.275 in6.99 mm N/A 75 N/A 10.73 in272.42 mm N/A 0.006 in0.15 mm N/A -450A
BS451A AFLAS-75 N/A
186969 		N/A BS Standard O-Ring N/A Aflas N/A 0.275 in6.99 mm N/A 75 N/A 11.23 in285.12 mm N/A 0.006 in0.15 mm N/A -451A
BS452A AFLAS-75 N/A
186970 		N/A BS Standard O-Ring N/A Aflas N/A 0.275 in6.99 mm N/A 75 N/A 11.73 in297.82 mm N/A 0.006 in0.15 mm N/A -452A
BS903 AFLAS-83 N/A
186971 		N/A BS Standard O-Ring N/A Aflas N/A 0.064 in1.63 mm N/A 83 N/A 0.30 in7.65 mm N/A 0.003 in0.08 mm N/A -903
BS902 AFLAS-83 N/A
186972 		N/A BS Standard O-Ring N/A Aflas N/A 0.064 in1.63 mm N/A 83 N/A 0.24 in6.07 mm N/A 0.003 in0.08 mm N/A -902
BS886 AFLAS-83 N/A
186973 		N/A BS Standard O-Ring N/A Aflas N/A 0.275 in6.99 mm N/A 83 N/A 7.88 in200.03 mm N/A 0.006 in0.15 mm N/A -886
BS884 AFLAS-83 N/A
186974 		N/A BS Standard O-Ring N/A Aflas N/A 0.275 in6.99 mm N/A 83 N/A 7.63 in193.68 mm N/A 0.006 in0.15 mm N/A -884
BS882 AFLAS-83 N/A
186975 		N/A BS Standard O-Ring N/A Aflas N/A 0.275 in6.99 mm N/A 83 N/A 7.38 in187.33 mm N/A 0.006 in0.15 mm N/A -882
BS880 AFLAS-83 N/A
186976 		N/A BS Standard O-Ring N/A Aflas N/A 0.275 in6.99 mm N/A 83 N/A 7.13 in180.98 mm N/A 0.006 in0.15 mm N/A -880
BS878 AFLAS-83 N/A
186977 		N/A BS Standard O-Ring N/A Aflas N/A 0.275 in6.99 mm N/A 83 N/A 6.88 in174.63 mm N/A 0.006 in0.15 mm N/A -878
BS876 AFLAS-83 N/A
186978 		N/A BS Standard O-Ring N/A Aflas N/A 0.275 in6.99 mm N/A 83 N/A 6.63 in168.28 mm N/A 0.006 in0.15 mm N/A -876
BS874 AFLAS-83 N/A
186979 		N/A BS Standard O-Ring N/A Aflas N/A 0.275 in6.99 mm N/A 83 N/A 6.38 in161.93 mm N/A 0.006 in0.15 mm N/A -874
BS872 AFLAS-83 N/A
186980 		N/A BS Standard O-Ring N/A Aflas N/A 0.275 in6.99 mm N/A 83 N/A 6.13 in155.58 mm N/A 0.006 in0.15 mm N/A -872
BS870 AFLAS-83 N/A
186981 		N/A BS Standard O-Ring N/A Aflas N/A 0.210 in5.33 mm N/A 83 N/A 5.88 in149.23 mm N/A 0.005 in0.13 mm N/A -870
BS869 AFLAS-83 N/A
186982 		N/A BS Standard O-Ring N/A Aflas N/A 0.210 in5.33 mm N/A 83 N/A 5.75 in146.05 mm N/A 0.005 in0.13 mm N/A -869
Unit of Measure
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