Monroe
OneMonroe
Locations Throughout the Country
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Tel: (877) 740-2007
Fax: (800) 453-9683
Email: sales@askmonroe.com
Website: monroeengineering.com
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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
BS435 F-70 N/A
188973 		N/A BS Standard O-Ring N/A Flurosilicone N/A 0.275 in6.99 mm N/A 70 N/A 5.725 in145.42 mm N/A 0.006 in0.15 mm N/A -435
BS434 F-70 N/A
188974 		N/A BS Standard O-Ring N/A Flurosilicone N/A 0.275 in6.99 mm N/A 70 N/A 5.75 in146.05 mm N/A 0.006 in0.15 mm N/A -434
BS433 F-70 N/A
188975 		N/A BS Standard O-Ring N/A Flurosilicone N/A 0.275 in6.99 mm N/A 70 N/A 5.475 in139.07 mm N/A 0.006 in0.15 mm N/A -433
BS432 F-70 N/A
188976 		N/A BS Standard O-Ring N/A Flurosilicone N/A 0.275 in6.99 mm N/A 70 N/A 5.350 in135.89 mm N/A 0.006 in0.15 mm N/A -432
BS431 F-70 N/A
188977 		N/A BS Standard O-Ring N/A Flurosilicone N/A 0.275 in6.99 mm N/A 70 N/A 5.225 in132.72 mm N/A 0.006 in0.15 mm N/A -431
BS430 F-70 N/A
188978 		N/A BS Standard O-Ring N/A Flurosilicone N/A 0.275 in6.99 mm N/A 70 N/A 5.100 in129.54 mm N/A 0.006 in0.15 mm N/A -430
BS429 F-70 N/A
188979 		N/A BS Standard O-Ring N/A Flurosilicone N/A 0.275 in6.99 mm N/A 70 N/A 4.975 in126.37 mm N/A 0.006 in0.15 mm N/A -429
BS428 F-70 N/A
188980 		N/A BS Standard O-Ring N/A Flurosilicone N/A 0.275 in6.99 mm N/A 70 N/A 4.850 in123.19 mm N/A 0.006 in0.15 mm N/A -428
BS427 F-70 N/A
188981 		N/A BS Standard O-Ring N/A Flurosilicone N/A 0.275 in6.99 mm N/A 70 N/A 4.725 in120.02 mm N/A 0.006 in0.15 mm N/A -427
BS426 F-70 N/A
188982 		N/A BS Standard O-Ring N/A Flurosilicone N/A 0.275 in6.99 mm N/A 70 N/A 4.75 in120.65 mm N/A 0.006 in0.15 mm N/A -426
BS425 F-70 N/A
188983 		N/A BS Standard O-Ring N/A Flurosilicone N/A 0.275 in6.99 mm N/A 70 N/A 4.475 in113.67 mm N/A 0.006 in0.15 mm N/A -425
BS395 F-70 N/A
188984 		N/A BS Standard O-Ring N/A Flurosilicone N/A 0.210 in5.33 mm N/A 70 N/A 25.940 in658.88 mm N/A 0.005 in0.13 mm N/A -395
BS394 F-70 N/A
188985 		N/A BS Standard O-Ring N/A Flurosilicone N/A 0.210 in5.33 mm N/A 70 N/A 24.940 in633.48 mm N/A 0.005 in0.13 mm N/A -394
BS393 F-70 N/A
188986 		N/A BS Standard O-Ring N/A Flurosilicone N/A 0.210 in5.33 mm N/A 70 N/A 23.940 in608.08 mm N/A 0.005 in0.13 mm N/A -393
BS392 F-70 N/A
188987 		N/A BS Standard O-Ring N/A Flurosilicone N/A 0.210 in5.33 mm N/A 70 N/A 22.940 in582.68 mm N/A 0.005 in0.13 mm N/A -392
BS391 F-70 N/A
188988 		N/A BS Standard O-Ring N/A Flurosilicone N/A 0.210 in5.33 mm N/A 70 N/A 21.955 in557.66 mm N/A 0.005 in0.13 mm N/A -391
BS390 F-70 N/A
188989 		N/A BS Standard O-Ring N/A Flurosilicone N/A 0.210 in5.33 mm N/A 70 N/A 20.955 in532.26 mm N/A 0.005 in0.13 mm N/A -390
BS389 F-70 N/A
188990 		N/A BS Standard O-Ring N/A Flurosilicone N/A 0.210 in5.33 mm N/A 70 N/A 19.955 in506.86 mm N/A 0.005 in0.13 mm N/A -389
BS388 F-70 N/A
188991 		N/A BS Standard O-Ring N/A Flurosilicone N/A 0.210 in5.33 mm N/A 70 N/A 18.955 in481.46 mm N/A 0.005 in0.13 mm N/A -388
BS387 F-70 N/A
188992 		N/A BS Standard O-Ring N/A Flurosilicone N/A 0.210 in5.33 mm N/A 70 N/A 17.955 in456.06 mm N/A 0.005 in0.13 mm N/A -387
BS386 F-70 N/A
188993 		N/A BS Standard O-Ring N/A Flurosilicone N/A 0.210 in5.33 mm N/A 70 N/A 16.955 in430.66 mm N/A 0.005 in0.13 mm N/A -386
BS385 F-70 N/A
188994 		N/A BS Standard O-Ring N/A Flurosilicone N/A 0.210 in5.33 mm N/A 70 N/A 15.955 in405.26 mm N/A 0.005 in0.13 mm N/A -385
BS384 F-70 N/A
188995 		N/A BS Standard O-Ring N/A Flurosilicone N/A 0.210 in5.33 mm N/A 70 N/A 14.975 in380.37 mm N/A 0.005 in0.13 mm N/A -384
BS383 F-70 N/A
188996 		N/A BS Standard O-Ring N/A Flurosilicone N/A 0.210 in5.33 mm N/A 70 N/A 13.975 in354.97 mm N/A 0.005 in0.13 mm N/A -383
BS382 F-70 N/A
188997 		N/A BS Standard O-Ring N/A Flurosilicone N/A 0.210 in5.33 mm N/A 70 N/A 12.975 in329.57 mm N/A 0.005 in0.13 mm N/A -382
Unit of Measure
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