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.
Cross Section Width (in)
Cross Section Width (mm)
Durometer
Inside Diameter (in)
Inside Diameter (mm)
Item # |
IntegrationID |
Type |
Material |
Cross Section Width |
Durometer |
Inside Diameter |
CSW Tolerance |
BS Number |
Product Guides |
---|---|---|---|---|---|---|---|---|---|
BS279 AFLAS-75 |
IntegrationID
N/A 186758 |
Type N/A BS Standard O-Ring | Material N/A Aflas | Cross Section Width N/A 0.139 in3.53 mm | Durometer N/A 75 | Inside Diameter N/A 12.98 in329.79 mm | CSW Tolerance N/A 0.004 in0.10 mm | BS Number N/A -279 | Product Guides N/A Seal Guides |
BS278 AFLAS-75 |
IntegrationID
N/A 186759 |
Type N/A BS Standard O-Ring | Material N/A Aflas | Cross Section Width N/A 0.139 in3.53 mm | Durometer N/A 75 | Inside Diameter N/A 11.98 in304.39 mm | CSW Tolerance N/A 0.004 in0.10 mm | BS Number N/A -278 | Product Guides N/A Seal Guides |
BS277 AFLAS-75 |
IntegrationID
N/A 186760 |
Type N/A BS Standard O-Ring | Material N/A Aflas | Cross Section Width N/A 0.139 in3.53 mm | Durometer N/A 75 | Inside Diameter N/A 11.48 in291.69 mm | CSW Tolerance N/A 0.004 in0.10 mm | BS Number N/A -277 | Product Guides N/A Seal Guides |
BS276 AFLAS-75 |
IntegrationID
N/A 186761 |
Type N/A BS Standard O-Ring | Material N/A Aflas | Cross Section Width N/A 0.139 in3.53 mm | Durometer N/A 75 | Inside Diameter N/A 10.98 in278.99 mm | CSW Tolerance N/A 0.004 in0.10 mm | BS Number N/A -276 | Product Guides N/A Seal Guides |
BS275 AFLAS-75 |
IntegrationID
N/A 186762 |
Type N/A BS Standard O-Ring | Material N/A Aflas | Cross Section Width N/A 0.139 in3.53 mm | Durometer N/A 75 | Inside Diameter N/A 10.48 in266.29 mm | CSW Tolerance N/A 0.004 in0.10 mm | BS Number N/A -275 | Product Guides N/A Seal Guides |
BS274 AFLAS-75 |
IntegrationID
N/A 186763 |
Type N/A BS Standard O-Ring | Material N/A Aflas | Cross Section Width N/A 0.139 in3.53 mm | Durometer N/A 75 | Inside Diameter N/A 9.98 in253.59 mm | CSW Tolerance N/A 0.004 in0.10 mm | BS Number N/A -274 | Product Guides N/A Seal Guides |
BS273 AFLAS-75 |
IntegrationID
N/A 186764 |
Type N/A BS Standard O-Ring | Material N/A Aflas | Cross Section Width N/A 0.139 in3.53 mm | Durometer N/A 75 | Inside Diameter N/A 9.73 in247.24 mm | CSW Tolerance N/A 0.004 in0.10 mm | BS Number N/A -273 | Product Guides N/A Seal Guides |
BS272 AFLAS-75 |
IntegrationID
N/A 186765 |
Type N/A BS Standard O-Ring | Material N/A Aflas | Cross Section Width N/A 0.139 in3.53 mm | Durometer N/A 75 | Inside Diameter N/A 9.48 in240.89 mm | CSW Tolerance N/A 0.004 in0.10 mm | BS Number N/A -272 | Product Guides N/A Seal Guides |
BS271 AFLAS-75 |
IntegrationID
N/A 186766 |
Type N/A BS Standard O-Ring | Material N/A Aflas | Cross Section Width N/A 0.139 in3.53 mm | Durometer N/A 75 | Inside Diameter N/A 9.23 in234.54 mm | CSW Tolerance N/A 0.004 in0.10 mm | BS Number N/A -271 | Product Guides N/A Seal Guides |
BS270 AFLAS-75 |
IntegrationID
N/A 186767 |
Type N/A BS Standard O-Ring | Material N/A Aflas | Cross Section Width N/A 0.139 in3.53 mm | Durometer N/A 75 | Inside Diameter N/A 8.98 in228.19 mm | CSW Tolerance N/A 0.004 in0.10 mm | BS Number N/A -270 | Product Guides N/A Seal Guides |
BS269 AFLAS-75 |
IntegrationID
N/A 186768 |
Type N/A BS Standard O-Ring | Material N/A Aflas | Cross Section Width N/A 0.139 in3.53 mm | Durometer N/A 75 | Inside Diameter N/A 8.73 in221.84 mm | CSW Tolerance N/A 0.004 in0.10 mm | BS Number N/A -269 | Product Guides N/A Seal Guides |
BS268 AFLAS-75 |
IntegrationID
N/A 186769 |
Type N/A BS Standard O-Ring | Material N/A Aflas | Cross Section Width N/A 0.139 in3.53 mm | Durometer N/A 75 | Inside Diameter N/A 8.48 in215.49 mm | CSW Tolerance N/A 0.004 in0.10 mm | BS Number N/A -268 | Product Guides N/A Seal Guides |
BS267 AFLAS-75 |
IntegrationID
N/A 186770 |
Type N/A BS Standard O-Ring | Material N/A Aflas | Cross Section Width N/A 0.139 in3.53 mm | Durometer N/A 75 | Inside Diameter N/A 8.23 in209.14 mm | CSW Tolerance N/A 0.004 in0.10 mm | BS Number N/A -267 | Product Guides N/A Seal Guides |
BS266 AFLAS-75 |
IntegrationID
N/A 186771 |
Type N/A BS Standard O-Ring | Material N/A Aflas | Cross Section Width N/A 0.139 in3.53 mm | Durometer N/A 75 | Inside Diameter N/A 7.98 in202.79 mm | CSW Tolerance N/A 0.004 in0.10 mm | BS Number N/A -266 | Product Guides N/A Seal Guides |
BS265 AFLAS-75 |
IntegrationID
N/A 186772 |
Type N/A BS Standard O-Ring | Material N/A Aflas | Cross Section Width N/A 0.139 in3.53 mm | Durometer N/A 75 | Inside Diameter N/A 7.73 in196.44 mm | CSW Tolerance N/A 0.004 in0.10 mm | BS Number N/A -265 | Product Guides N/A Seal Guides |
BS264 AFLAS-75 |
IntegrationID
N/A 186773 |
Type N/A BS Standard O-Ring | Material N/A Aflas | Cross Section Width N/A 0.139 in3.53 mm | Durometer N/A 75 | Inside Diameter N/A 7.48 in190.09 mm | CSW Tolerance N/A 0.004 in0.10 mm | BS Number N/A -264 | Product Guides N/A Seal Guides |
BS263 AFLAS-75 |
IntegrationID
N/A 186774 |
Type N/A BS Standard O-Ring | Material N/A Aflas | Cross Section Width N/A 0.139 in3.53 mm | Durometer N/A 75 | Inside Diameter N/A 7.23 in183.74 mm | CSW Tolerance N/A 0.004 in0.10 mm | BS Number N/A -263 | Product Guides N/A Seal Guides |
BS262 AFLAS-75 |
IntegrationID
N/A 186775 |
Type N/A BS Standard O-Ring | Material N/A Aflas | Cross Section Width N/A 0.139 in3.53 mm | Durometer N/A 75 | Inside Diameter N/A 6.98 in177.39 mm | CSW Tolerance N/A 0.004 in0.10 mm | BS Number N/A -262 | Product Guides N/A Seal Guides |
BS261 AFLAS-75 |
IntegrationID
N/A 186776 |
Type N/A BS Standard O-Ring | Material N/A Aflas | Cross Section Width N/A 0.139 in3.53 mm | Durometer N/A 75 | Inside Diameter N/A 6.73 in171.04 mm | CSW Tolerance N/A 0.004 in0.10 mm | BS Number N/A -261 | Product Guides N/A Seal Guides |
BS275 AFLAS-75 |
IntegrationID
N/A 186777 |
Type N/A BS Standard O-Ring | Material N/A Aflas | Cross Section Width N/A 0.139 in3.53 mm | Durometer N/A 75 | Inside Diameter N/A 6.48 in164.69 mm | CSW Tolerance N/A 0.004 in0.10 mm | BS Number N/A -275 | Product Guides N/A Seal Guides |
BS259 AFLAS-75 |
IntegrationID
N/A 186778 |
Type N/A BS Standard O-Ring | Material N/A Aflas | Cross Section Width N/A 0.139 in3.53 mm | Durometer N/A 75 | Inside Diameter N/A 6.23 in158.34 mm | CSW Tolerance N/A 0.004 in0.10 mm | BS Number N/A -259 | Product Guides N/A Seal Guides |
BS258 AFLAS-75 |
IntegrationID
N/A 186779 |
Type N/A BS Standard O-Ring | Material N/A Aflas | Cross Section Width N/A 0.139 in3.53 mm | Durometer N/A 75 | Inside Diameter N/A 5.98 in151.99 mm | CSW Tolerance N/A 0.004 in0.10 mm | BS Number N/A -258 | Product Guides N/A Seal Guides |
BS257 AFLAS-75 |
IntegrationID
N/A 186780 |
Type N/A BS Standard O-Ring | Material N/A Aflas | Cross Section Width N/A 0.139 in3.53 mm | Durometer N/A 75 | Inside Diameter N/A 5.86 in148.82 mm | CSW Tolerance N/A 0.004 in0.10 mm | BS Number N/A -257 | Product Guides N/A Seal Guides |
BS256 AFLAS-75 |
IntegrationID
N/A 186781 |
Type N/A BS Standard O-Ring | Material N/A Aflas | Cross Section Width N/A 0.139 in3.53 mm | Durometer N/A 75 | Inside Diameter N/A 5.73 in145.64 mm | CSW Tolerance N/A 0.004 in0.10 mm | BS Number N/A -256 | Product Guides N/A Seal Guides |
BS255 AFLAS-75 |
IntegrationID
N/A 186782 |
Type N/A BS Standard O-Ring | Material N/A Aflas | Cross Section Width N/A 0.139 in3.53 mm | Durometer N/A 75 | Inside Diameter N/A 5.61 in142.47 mm | CSW Tolerance N/A 0.004 in0.10 mm | BS Number N/A -255 | Product Guides N/A Seal Guides |