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 |
---|---|---|---|---|---|---|---|---|
BS356 F-70 |
IntegrationID
N/A 189023 |
Type N/A BS Standard O-Ring | Material N/A Flurosilicone | Cross Section Width N/A 0.210 in5.33 mm | Durometer N/A 70 | Inside Diameter N/A 5.350 in135.89 mm | CSW Tolerance N/A 0.005 in0.13 mm | BS Number N/A -356 |
BS355 F-70 |
IntegrationID
N/A 189024 |
Type N/A BS Standard O-Ring | Material N/A Flurosilicone | Cross Section Width N/A 0.210 in5.33 mm | Durometer N/A 70 | Inside Diameter N/A 5.225 in132.72 mm | CSW Tolerance N/A 0.005 in0.13 mm | BS Number N/A -355 |
BS354 F-70 |
IntegrationID
N/A 189025 |
Type N/A BS Standard O-Ring | Material N/A Flurosilicone | Cross Section Width N/A 0.210 in5.33 mm | Durometer N/A 70 | Inside Diameter N/A 5.100 in129.54 mm | CSW Tolerance N/A 0.005 in0.13 mm | BS Number N/A -354 |
BS353 F-70 |
IntegrationID
N/A 189026 |
Type N/A BS Standard O-Ring | Material N/A Flurosilicone | Cross Section Width N/A 0.210 in5.33 mm | Durometer N/A 70 | Inside Diameter N/A 4.975 in126.37 mm | CSW Tolerance N/A 0.005 in0.13 mm | BS Number N/A -353 |
BS352 F-70 |
IntegrationID
N/A 189027 |
Type N/A BS Standard O-Ring | Material N/A Flurosilicone | Cross Section Width N/A 0.210 in5.33 mm | Durometer N/A 70 | Inside Diameter N/A 4.850 in123.19 mm | CSW Tolerance N/A 0.005 in0.13 mm | BS Number N/A -352 |
BS351 F-70 |
IntegrationID
N/A 189028 |
Type N/A BS Standard O-Ring | Material N/A Flurosilicone | Cross Section Width N/A 0.210 in5.33 mm | Durometer N/A 70 | Inside Diameter N/A 4.725 in120.02 mm | CSW Tolerance N/A 0.005 in0.13 mm | BS Number N/A -351 |
BS350 F-70 |
IntegrationID
N/A 189029 |
Type N/A BS Standard O-Ring | Material N/A Flurosilicone | Cross Section Width N/A 0.210 in5.33 mm | Durometer N/A 70 | Inside Diameter N/A 4.60 in116.84 mm | CSW Tolerance N/A 0.005 in0.13 mm | BS Number N/A -350 |
BS349 F-70 |
IntegrationID
N/A 189030 |
Type N/A BS Standard O-Ring | Material N/A Flurosilicone | Cross Section Width N/A 0.210 in5.33 mm | Durometer N/A 70 | Inside Diameter N/A 4.475 in113.67 mm | CSW Tolerance N/A 0.005 in0.13 mm | BS Number N/A -349 |
BS348 F-70 |
IntegrationID
N/A 189031 |
Type N/A BS Standard O-Ring | Material N/A Flurosilicone | Cross Section Width N/A 0.210 in5.33 mm | Durometer N/A 70 | Inside Diameter N/A 4.350 in110.49 mm | CSW Tolerance N/A 0.005 in0.13 mm | BS Number N/A -348 |
BS347 F-70 |
IntegrationID
N/A 189032 |
Type N/A BS Standard O-Ring | Material N/A Flurosilicone | Cross Section Width N/A 0.210 in5.33 mm | Durometer N/A 70 | Inside Diameter N/A 4.225 in107.32 mm | CSW Tolerance N/A 0.005 in0.13 mm | BS Number N/A -347 |
BS346 F-70 |
IntegrationID
N/A 189033 |
Type N/A BS Standard O-Ring | Material N/A Flurosilicone | Cross Section Width N/A 0.210 in5.33 mm | Durometer N/A 70 | Inside Diameter N/A 4.100 in104.14 mm | CSW Tolerance N/A 0.005 in0.13 mm | BS Number N/A -346 |
BS345 F-70 |
IntegrationID
N/A 189034 |
Type N/A BS Standard O-Ring | Material N/A Flurosilicone | Cross Section Width N/A 0.210 in5.33 mm | Durometer N/A 70 | Inside Diameter N/A 3.975 in100.97 mm | CSW Tolerance N/A 0.005 in0.13 mm | BS Number N/A -345 |
BS344 F-70 |
IntegrationID
N/A 189035 |
Type N/A BS Standard O-Ring | Material N/A Flurosilicone | Cross Section Width N/A 0.210 in5.33 mm | Durometer N/A 70 | Inside Diameter N/A 3.850 in97.79 mm | CSW Tolerance N/A 0.005 in0.13 mm | BS Number N/A -344 |
BS343 F-70 |
IntegrationID
N/A 189036 |
Type N/A BS Standard O-Ring | Material N/A Flurosilicone | Cross Section Width N/A 0.210 in5.33 mm | Durometer N/A 70 | Inside Diameter N/A 3.725 in94.62 mm | CSW Tolerance N/A 0.005 in0.13 mm | BS Number N/A -343 |
BS342 F-70 |
IntegrationID
N/A 189037 |
Type N/A BS Standard O-Ring | Material N/A Flurosilicone | Cross Section Width N/A 0.210 in5.33 mm | Durometer N/A 70 | Inside Diameter N/A 3.75 in95.25 mm | CSW Tolerance N/A 0.005 in0.13 mm | BS Number N/A -342 |
BS341 F-70 |
IntegrationID
N/A 189038 |
Type N/A BS Standard O-Ring | Material N/A Flurosilicone | Cross Section Width N/A 0.210 in5.33 mm | Durometer N/A 70 | Inside Diameter N/A 3.475 in88.27 mm | CSW Tolerance N/A 0.005 in0.13 mm | BS Number N/A -341 |
BS340 F-70 |
IntegrationID
N/A 189039 |
Type N/A BS Standard O-Ring | Material N/A Flurosilicone | Cross Section Width N/A 0.210 in5.33 mm | Durometer N/A 70 | Inside Diameter N/A 3.350 in85.09 mm | CSW Tolerance N/A 0.005 in0.13 mm | BS Number N/A -340 |
BS339 F-70 |
IntegrationID
N/A 189040 |
Type N/A BS Standard O-Ring | Material N/A Flurosilicone | Cross Section Width N/A 0.210 in5.33 mm | Durometer N/A 70 | Inside Diameter N/A 3.225 in81.92 mm | CSW Tolerance N/A 0.005 in0.13 mm | BS Number N/A -339 |
BS338 F-70 |
IntegrationID
N/A 189041 |
Type N/A BS Standard O-Ring | Material N/A Flurosilicone | Cross Section Width N/A 0.210 in5.33 mm | Durometer N/A 70 | Inside Diameter N/A 3.100 in78.74 mm | CSW Tolerance N/A 0.005 in0.13 mm | BS Number N/A -338 |
BS337 F-70 |
IntegrationID
N/A 189042 |
Type N/A BS Standard O-Ring | Material N/A Flurosilicone | Cross Section Width N/A 0.210 in5.33 mm | Durometer N/A 70 | Inside Diameter N/A 2.975 in75.57 mm | CSW Tolerance N/A 0.005 in0.13 mm | BS Number N/A -337 |
BS336 F-70 |
IntegrationID
N/A 189043 |
Type N/A BS Standard O-Ring | Material N/A Flurosilicone | Cross Section Width N/A 0.210 in5.33 mm | Durometer N/A 70 | Inside Diameter N/A 2.850 in72.39 mm | CSW Tolerance N/A 0.005 in0.13 mm | BS Number N/A -336 |
BS335 F-70 |
IntegrationID
N/A 189044 |
Type N/A BS Standard O-Ring | Material N/A Flurosilicone | Cross Section Width N/A 0.210 in5.33 mm | Durometer N/A 70 | Inside Diameter N/A 2.725 in69.22 mm | CSW Tolerance N/A 0.005 in0.13 mm | BS Number N/A -335 |
BS334 F-70 |
IntegrationID
N/A 189045 |
Type N/A BS Standard O-Ring | Material N/A Flurosilicone | Cross Section Width N/A 0.210 in5.33 mm | Durometer N/A 70 | Inside Diameter N/A 2.75 in69.85 mm | CSW Tolerance N/A 0.005 in0.13 mm | BS Number N/A -334 |
BS333 F-70 |
IntegrationID
N/A 189046 |
Type N/A BS Standard O-Ring | Material N/A Flurosilicone | Cross Section Width N/A 0.210 in5.33 mm | Durometer N/A 70 | Inside Diameter N/A 2.475 in62.87 mm | CSW Tolerance N/A 0.005 in0.13 mm | BS Number N/A -333 |
BS332 F-70 |
IntegrationID
N/A 189047 |
Type N/A BS Standard O-Ring | Material N/A Flurosilicone | Cross Section Width N/A 0.210 in5.33 mm | Durometer N/A 70 | Inside Diameter N/A 2.350 in59.69 mm | CSW Tolerance N/A 0.005 in0.13 mm | BS Number N/A -332 |