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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.

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
BS475 F-70 N/A
188948
N/A BS Standard O-Ring N/A Flurosilicone N/A 0.275 in6.99 mm N/A 70 N/A 15.475 in393.07 mm N/A 0.006 in0.15 mm N/A -475
BS459 F-70 N/A
188949
N/A BS Standard O-Ring N/A Flurosilicone N/A 0.275 in6.99 mm N/A 70 N/A 14.9751 in380.37 mm N/A 0.006 in0.15 mm N/A -459
BS458 F-70 N/A
188950
N/A BS Standard O-Ring N/A Flurosilicone N/A 0.275 in6.99 mm N/A 70 N/A 14.475 in367.67 mm N/A 0.006 in0.15 mm N/A -458
BS457 F-70 N/A
188951
N/A BS Standard O-Ring N/A Flurosilicone N/A 0.275 in6.99 mm N/A 70 N/A 13.9751 in354.97 mm N/A 0.006 in0.15 mm N/A -457
BS456 F-70 N/A
188952
N/A BS Standard O-Ring N/A Flurosilicone N/A 0.275 in6.99 mm N/A 70 N/A 13.475 in342.27 mm N/A 0.006 in0.15 mm N/A -456
BS455 F-70 N/A
188953
N/A BS Standard O-Ring N/A Flurosilicone N/A 0.275 in6.99 mm N/A 70 N/A 12.975 in329.57 mm N/A 0.006 in0.15 mm N/A -455
BS454 F-70 N/A
188954
N/A BS Standard O-Ring N/A Flurosilicone N/A 0.275 in6.99 mm N/A 70 N/A 12.475 in316.87 mm N/A 0.006 in0.15 mm N/A -454
BS453 F-70 N/A
188955
N/A BS Standard O-Ring N/A Flurosilicone N/A 0.275 in6.99 mm N/A 70 N/A 11.975 in304.17 mm N/A 0.006 in0.15 mm N/A -453
BS452 F-70 N/A
188956
N/A BS Standard O-Ring N/A Flurosilicone N/A 0.275 in6.99 mm N/A 70 N/A 11.475 in291.47 mm N/A 0.006 in0.15 mm N/A -452
BS451 F-70 N/A
188957
N/A BS Standard O-Ring N/A Flurosilicone N/A 0.275 in6.99 mm N/A 70 N/A 10.975 in278.77 mm N/A 0.006 in0.15 mm N/A -451
BS450 F-70 N/A
188958
N/A BS Standard O-Ring N/A Flurosilicone N/A 0.275 in6.99 mm N/A 70 N/A 10.475 in266.07 mm N/A 0.006 in0.15 mm N/A -450
BS449 F-70 N/A
188959
N/A BS Standard O-Ring N/A Flurosilicone N/A 0.275 in6.99 mm N/A 70 N/A 9.975 in253.37 mm N/A 0.006 in0.15 mm N/A -449
BS448 F-70 N/A
188960
N/A BS Standard O-Ring N/A Flurosilicone N/A 0.275 in6.99 mm N/A 70 N/A 9.475 in240.67 mm N/A 0.006 in0.15 mm N/A -448
BS447 F-70 N/A
188961
N/A BS Standard O-Ring N/A Flurosilicone N/A 0.275 in6.99 mm N/A 70 N/A 8.975 in227.97 mm N/A 0.006 in0.15 mm N/A -447
BS446 F-70 N/A
188962
N/A BS Standard O-Ring N/A Flurosilicone N/A 0.275 in6.99 mm N/A 70 N/A 8.475 in215.27 mm N/A 0.006 in0.15 mm N/A -446
BS445 F-70 N/A
188963
N/A BS Standard O-Ring N/A Flurosilicone N/A 0.275 in6.99 mm N/A 70 N/A 7.975 in202.57 mm N/A 0.006 in0.15 mm N/A -445
BS444 F-70 N/A
188964
N/A BS Standard O-Ring N/A Flurosilicone N/A 0.275 in6.99 mm N/A 70 N/A 7.725 in196.22 mm N/A 0.006 in0.15 mm N/A -444
BS443 F-70 N/A
188965
N/A BS Standard O-Ring N/A Flurosilicone N/A 0.275 in6.99 mm N/A 70 N/A 7.475 in189.87 mm N/A 0.006 in0.15 mm N/A -443
BS442 F-70 N/A
188966
N/A BS Standard O-Ring N/A Flurosilicone N/A 0.275 in6.99 mm N/A 70 N/A 7.225 in183.52 mm N/A 0.006 in0.15 mm N/A -442
BS441 F-70 N/A
188967
N/A BS Standard O-Ring N/A Flurosilicone N/A 0.275 in6.99 mm N/A 70 N/A 6.975 in177.17 mm N/A 0.006 in0.15 mm N/A -441
BS440 F-70 N/A
188968
N/A BS Standard O-Ring N/A Flurosilicone N/A 0.275 in6.99 mm N/A 70 N/A 6.725 in170.82 mm N/A 0.006 in0.15 mm N/A -440
BS439 F-70 N/A
188969
N/A BS Standard O-Ring N/A Flurosilicone N/A 0.275 in6.99 mm N/A 70 N/A 6.475 in164.47 mm N/A 0.006 in0.15 mm N/A -439
BS438 F-70 N/A
188970
N/A BS Standard O-Ring N/A Flurosilicone N/A 0.275 in6.99 mm N/A 70 N/A 6.225 in158.12 mm N/A 0.006 in0.15 mm N/A -438
BS437 F-70 N/A
188971
N/A BS Standard O-Ring N/A Flurosilicone N/A 0.275 in6.99 mm N/A 70 N/A 5.975 in151.77 mm N/A 0.006 in0.15 mm N/A -437
BS436 F-70 N/A
188972
N/A BS Standard O-Ring N/A Flurosilicone N/A 0.275 in6.99 mm N/A 70 N/A 5.850 in148.59 mm N/A 0.006 in0.15 mm N/A -436
Unit of Measure
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