OneMonroe Fluorosilicone O-Rings are expertly crafted for optimal performance in demanding applications, combining the resilience of silicone with the chemical resistance of fluorinated compounds. These high-quality O-rings are specifically engineered to withstand extreme temperature variations and exposure to harsh chemicals, making them an excellent choice for industries such as aerospace, automotive, and chemical processing. With a robust design tailored for challenging environments, OneMonroe Fluorosilicone O-Rings offer dependable sealing solutions that enhance equipment performance and longevity.
Our Fluorosilicone O-Rings excel in applications where traditional elastomers may falter. The material's unique composition resists swelling and degradation, even in contact with fuels, oils, and other aggressive chemicals, while maintaining flexibility and sealing integrity at temperatures ranging from -100°F to 350°F. Whether you're working with equipment exposed to fluctuating temperatures, corrosive chemicals, or high levels of abrasion, these O-rings are engineered to provide a long-lasting seal that minimizes leaks and maintenance needs. Their adaptability ensures reliable performance, helping prevent equipment downtime and costly repairs.
OneMonroe is dedicated to providing high-performance components that meet rigorous industry standards, and our Fluorosilicone O-Rings are no exception. Each O-ring undergoes stringent quality checks to ensure consistent performance, durability, and optimal sealing capacity. Available in a wide range of sizes and configurations, our O-rings are suitable for custom applications and meet the precise demands of specialized machinery and equipment. For a sealing solution that can handle the most extreme environments and industrial challenges, OneMonroe Fluorosilicone O-Rings provide unmatched reliability and resilience.
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)
Inside Diameter (in)
Inside Diameter (mm)
Item # |
IntegrationID |
Type |
Material |
Cross Section Width |
Durometer |
Inside Diameter |
CSW Tolerance |
BS Number |
---|---|---|---|---|---|---|---|---|
BS279 F-70 |
IntegrationID
N/A 189073 |
Type N/A BS Standard O-Ring | Material N/A Flurosilicone | Cross Section Width N/A 0.139 in3.53 mm | Durometer N/A 70 | Inside Diameter N/A 12.984 in329.79 mm | CSW Tolerance N/A 0.004 in0.10 mm | BS Number N/A -279 |
BS278 F-70 |
IntegrationID
N/A 189074 |
Type N/A BS Standard O-Ring | Material N/A Flurosilicone | Cross Section Width N/A 0.139 in3.53 mm | Durometer N/A 70 | Inside Diameter N/A 11.984 in304.39 mm | CSW Tolerance N/A 0.004 in0.10 mm | BS Number N/A -278 |
BS277 F-70 |
IntegrationID
N/A 189075 |
Type N/A BS Standard O-Ring | Material N/A Flurosilicone | Cross Section Width N/A 0.139 in3.53 mm | Durometer N/A 70 | Inside Diameter N/A 11.484 in291.69 mm | CSW Tolerance N/A 0.004 in0.10 mm | BS Number N/A -277 |
BS276 F-70 |
IntegrationID
N/A 189076 |
Type N/A BS Standard O-Ring | Material N/A Flurosilicone | Cross Section Width N/A 0.139 in3.53 mm | Durometer N/A 70 | Inside Diameter N/A 10.984 in278.99 mm | CSW Tolerance N/A 0.004 in0.10 mm | BS Number N/A -276 |
BS275 F-70 |
IntegrationID
N/A 189077 |
Type N/A BS Standard O-Ring | Material N/A Flurosilicone | Cross Section Width N/A 0.139 in3.53 mm | Durometer N/A 70 | Inside Diameter N/A 10.484 in266.29 mm | CSW Tolerance N/A 0.004 in0.10 mm | BS Number N/A -275 |
BS274 F-70 |
IntegrationID
N/A 189078 |
Type N/A BS Standard O-Ring | Material N/A Flurosilicone | Cross Section Width N/A 0.139 in3.53 mm | Durometer N/A 70 | Inside Diameter N/A 9.984 in253.59 mm | CSW Tolerance N/A 0.004 in0.10 mm | BS Number N/A -274 |
BS273 F-70 |
IntegrationID
N/A 189079 |
Type N/A BS Standard O-Ring | Material N/A Flurosilicone | Cross Section Width N/A 0.139 in3.53 mm | Durometer N/A 70 | Inside Diameter N/A 9.734 in247.24 mm | CSW Tolerance N/A 0.004 in0.10 mm | BS Number N/A -273 |
BS272 F-70 |
IntegrationID
N/A 189080 |
Type N/A BS Standard O-Ring | Material N/A Flurosilicone | Cross Section Width N/A 0.139 in3.53 mm | Durometer N/A 70 | Inside Diameter N/A 9.484 in240.89 mm | CSW Tolerance N/A 0.004 in0.10 mm | BS Number N/A -272 |
BS271 F-70 |
IntegrationID
N/A 189081 |
Type N/A BS Standard O-Ring | Material N/A Flurosilicone | Cross Section Width N/A 0.139 in3.53 mm | Durometer N/A 70 | Inside Diameter N/A 9.234 in234.54 mm | CSW Tolerance N/A 0.004 in0.10 mm | BS Number N/A -271 |
BS270 F-70 |
IntegrationID
N/A 189082 |
Type N/A BS Standard O-Ring | Material N/A Flurosilicone | Cross Section Width N/A 0.139 in3.53 mm | Durometer N/A 70 | Inside Diameter N/A 8.984 in228.19 mm | CSW Tolerance N/A 0.004 in0.10 mm | BS Number N/A -270 |
BS269 F-70 |
IntegrationID
N/A 189083 |
Type N/A BS Standard O-Ring | Material N/A Flurosilicone | Cross Section Width N/A 0.139 in3.53 mm | Durometer N/A 70 | Inside Diameter N/A 8.734 in221.84 mm | CSW Tolerance N/A 0.004 in0.10 mm | BS Number N/A -269 |
BS268 F-70 |
IntegrationID
N/A 189084 |
Type N/A BS Standard O-Ring | Material N/A Flurosilicone | Cross Section Width N/A 0.139 in3.53 mm | Durometer N/A 70 | Inside Diameter N/A 8.484 in215.49 mm | CSW Tolerance N/A 0.004 in0.10 mm | BS Number N/A -268 |
BS267 F-70 |
IntegrationID
N/A 189085 |
Type N/A BS Standard O-Ring | Material N/A Flurosilicone | Cross Section Width N/A 0.139 in3.53 mm | Durometer N/A 70 | Inside Diameter N/A 8.234 in209.14 mm | CSW Tolerance N/A 0.004 in0.10 mm | BS Number N/A -267 |
BS266 F-70 |
IntegrationID
N/A 189086 |
Type N/A BS Standard O-Ring | Material N/A Flurosilicone | Cross Section Width N/A 0.139 in3.53 mm | Durometer N/A 70 | Inside Diameter N/A 7.984 in202.79 mm | CSW Tolerance N/A 0.004 in0.10 mm | BS Number N/A -266 |
BS265 F-70 |
IntegrationID
N/A 189087 |
Type N/A BS Standard O-Ring | Material N/A Flurosilicone | Cross Section Width N/A 0.139 in3.53 mm | Durometer N/A 70 | Inside Diameter N/A 7.734 in196.44 mm | CSW Tolerance N/A 0.004 in0.10 mm | BS Number N/A -265 |
BS264 F-70 |
IntegrationID
N/A 189088 |
Type N/A BS Standard O-Ring | Material N/A Flurosilicone | Cross Section Width N/A 0.139 in3.53 mm | Durometer N/A 70 | Inside Diameter N/A 7.484 in190.09 mm | CSW Tolerance N/A 0.004 in0.10 mm | BS Number N/A -264 |
BS263 F-70 |
IntegrationID
N/A 189089 |
Type N/A BS Standard O-Ring | Material N/A Flurosilicone | Cross Section Width N/A 0.139 in3.53 mm | Durometer N/A 70 | Inside Diameter N/A 7.234 in183.74 mm | CSW Tolerance N/A 0.004 in0.10 mm | BS Number N/A -263 |
BS262 F-70 |
IntegrationID
N/A 189090 |
Type N/A BS Standard O-Ring | Material N/A Flurosilicone | Cross Section Width N/A 0.139 in3.53 mm | Durometer N/A 70 | Inside Diameter N/A 6.984 in177.39 mm | CSW Tolerance N/A 0.004 in0.10 mm | BS Number N/A -262 |
BS261 F-70 |
IntegrationID
N/A 189091 |
Type N/A BS Standard O-Ring | Material N/A Flurosilicone | Cross Section Width N/A 0.139 in3.53 mm | Durometer N/A 70 | Inside Diameter N/A 6.734 in171.04 mm | CSW Tolerance N/A 0.004 in0.10 mm | BS Number N/A -261 |
BS275 F-70 |
IntegrationID
N/A 189092 |
Type N/A BS Standard O-Ring | Material N/A Flurosilicone | Cross Section Width N/A 0.139 in3.53 mm | Durometer N/A 70 | Inside Diameter N/A 6.484 in164.69 mm | CSW Tolerance N/A 0.004 in0.10 mm | BS Number N/A -275 |
BS259 F-70 |
IntegrationID
N/A 189093 |
Type N/A BS Standard O-Ring | Material N/A Flurosilicone | Cross Section Width N/A 0.139 in3.53 mm | Durometer N/A 70 | Inside Diameter N/A 6.234 in158.34 mm | CSW Tolerance N/A 0.004 in0.10 mm | BS Number N/A -259 |
BS258 F-70 |
IntegrationID
N/A 189094 |
Type N/A BS Standard O-Ring | Material N/A Flurosilicone | Cross Section Width N/A 0.139 in3.53 mm | Durometer N/A 70 | Inside Diameter N/A 5.984 in151.99 mm | CSW Tolerance N/A 0.004 in0.10 mm | BS Number N/A -258 |
BS257 F-70 |
IntegrationID
N/A 189095 |
Type N/A BS Standard O-Ring | Material N/A Flurosilicone | Cross Section Width N/A 0.139 in3.53 mm | Durometer N/A 70 | Inside Diameter N/A 5.859 in148.82 mm | CSW Tolerance N/A 0.004 in0.10 mm | BS Number N/A -257 |
BS256 F-70 |
IntegrationID
N/A 189096 |
Type N/A BS Standard O-Ring | Material N/A Flurosilicone | Cross Section Width N/A 0.139 in3.53 mm | Durometer N/A 70 | Inside Diameter N/A 5.734 in145.64 mm | CSW Tolerance N/A 0.004 in0.10 mm | BS Number N/A -256 |
BS255 F-70 |
IntegrationID
N/A 189097 |
Type N/A BS Standard O-Ring | Material N/A Flurosilicone | Cross Section Width N/A 0.139 in3.53 mm | Durometer N/A 70 | Inside Diameter N/A 5.759 in146.28 mm | CSW Tolerance N/A 0.004 in0.10 mm | BS Number N/A -255 |