Monroe
OneMonroe
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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
BS842 AFLAS-75 N/A
186533 		N/A BS Standard O-Ring N/A Aflas N/A 0.139 in3.53 mm N/A 75 N/A 2.69 in68.25 mm N/A 0.004 in0.10 mm N/A -842
BS841 AFLAS-75 N/A
186534 		N/A BS Standard O-Ring N/A Aflas N/A 0.139 in3.53 mm N/A 75 N/A 2.63 in66.68 mm N/A 0.004 in0.10 mm N/A -841
BS840 AFLAS-75 N/A
186535 		N/A BS Standard O-Ring N/A Aflas N/A 0.139 in3.53 mm N/A 75 N/A 2.56 in65.1 mm N/A 0.004 in0.10 mm N/A -840
BS839 AFLAS-75 N/A
186536 		N/A BS Standard O-Ring N/A Aflas N/A 0.139 in3.53 mm N/A 75 N/A 2.50 in63.50 mm N/A 0.004 in0.10 mm N/A -839
BS838 AFLAS-75 N/A
186537 		N/A BS Standard O-Ring N/A Aflas N/A 0.139 in3.53 mm N/A 75 N/A 2.44 in61.90 mm N/A 0.004 in0.10 mm N/A -838
BS837 AFLAS-75 N/A
186538 		N/A BS Standard O-Ring N/A Aflas N/A 0.139 in3.53 mm N/A 75 N/A 2.97 in75.33 mm N/A 0.004 in0.10 mm N/A -837
BS836 AFLAS-75 N/A
186539 		N/A BS Standard O-Ring N/A Aflas N/A 0.139 in3.53 mm N/A 75 N/A 2.31 in58.74 mm N/A 0.004 in0.10 mm N/A -836
BS835 AFLAS-75 N/A
186540 		N/A BS Standard O-Ring N/A Aflas N/A 0.139 in3.53 mm N/A 75 N/A 2.25 in57.15 mm N/A 0.004 in0.10 mm N/A -835
BS834 AFLAS-75 N/A
186541 		N/A BS Standard O-Ring N/A Aflas N/A 0.139 in3.53 mm N/A 75 N/A 2.19 in55.55 mm N/A 0.004 in0.10 mm N/A -834
BS833 AFLAS-75 N/A
186542 		N/A BS Standard O-Ring N/A Aflas N/A 0.139 in3.53 mm N/A 75 N/A 2.13 in53.98 mm N/A 0.004 in0.10 mm N/A -833
BS832 AFLAS-75 N/A
186543 		N/A BS Standard O-Ring N/A Aflas N/A 0.139 in3.53 mm N/A 75 N/A 2.06 in52.39 mm N/A 0.004 in0.10 mm N/A -832
BS831 AFLAS-75 N/A
186544 		N/A BS Standard O-Ring N/A Aflas N/A 0.139 in3.53 mm N/A 75 N/A 2.00 in50.80 mm N/A 0.004 in0.10 mm N/A -831
BS830 AFLAS-75 N/A
186545 		N/A BS Standard O-Ring N/A Aflas N/A 0.139 in3.53 mm N/A 75 N/A 1.94 in49.20 mm N/A 0.004 in0.10 mm N/A -830
BS829 AFLAS-75 N/A
186546 		N/A BS Standard O-Ring N/A Aflas N/A 0.139 in3.53 mm N/A 75 N/A 1.88 in47.63 mm N/A 0.004 in0.10 mm N/A -829
BS828 AFLAS-75 N/A
186547 		N/A BS Standard O-Ring N/A Aflas N/A 0.139 in3.53 mm N/A 75 N/A 1.81 in46.04 mm N/A 0.004 in0.10 mm N/A -828
BS827 AFLAS-75 N/A
186548 		N/A BS Standard O-Ring N/A Aflas N/A 0.139 in3.53 mm N/A 75 N/A 1.75 in44.45 mm N/A 0.004 in0.10 mm N/A -827
BS826 AFLAS-75 N/A
186549 		N/A BS Standard O-Ring N/A Aflas N/A 0.139 in3.53 mm N/A 75 N/A 1.69 in42.85 mm N/A 0.004 in0.10 mm N/A -826
BS825 AFLAS-75 N/A
186550 		N/A BS Standard O-Ring N/A Aflas N/A 0.139 in3.53 mm N/A 75 N/A 1.63 in41.28 mm N/A 0.004 in0.10 mm N/A -825
BS824 AFLAS-75 N/A
186551 		N/A BS Standard O-Ring N/A Aflas N/A 0.139 in3.53 mm N/A 75 N/A 1.56 in39.70 mm N/A 0.004 in0.10 mm N/A -824
BS814 AFLAS-75 N/A
186552 		N/A BS Standard O-Ring N/A Aflas N/A 0.103 in2.62 mm N/A 75 N/A 0.94 in23.80 mm N/A 0.003 in0.08 mm N/A -814
BS813 AFLAS-75 N/A
186553 		N/A BS Standard O-Ring N/A Aflas N/A 0.103 in2.62 mm N/A 75 N/A 0.88 in22.23 mm N/A 0.003 in0.08 mm N/A -813
BS812 AFLAS-75 N/A
186554 		N/A BS Standard O-Ring N/A Aflas N/A 0.103 in2.62 mm N/A 75 N/A 0.81 in20.62 mm N/A 0.003 in0.08 mm N/A -812
BS810 AFLAS-75 N/A
186555 		N/A BS Standard O-Ring N/A Aflas N/A 0.103 in2.62 mm N/A 75 N/A 0.69 in17.45 mm N/A 0.003 in0.08 mm N/A -810
BS809 AFLAS-75 N/A
186556 		N/A BS Standard O-Ring N/A Aflas N/A 0.103 in2.62 mm N/A 75 N/A 0.63 in15.88 mm N/A 0.003 in0.08 mm N/A -809
BS807 AFLAS-75 N/A
186557 		N/A BS Standard O-Ring N/A Aflas N/A 0.103 in2.62 mm N/A 75 N/A 0.50 in12.70 mm N/A 0.003 in0.08 mm N/A -807
Unit of Measure
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