Monroe
OneMonroe
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Tel: (877) 740-2007
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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
BS279 F-70 N/A
189073 		N/A BS Standard O-Ring N/A Flurosilicone N/A 0.139 in3.53 mm N/A 70 N/A 12.984 in329.79 mm N/A 0.004 in0.10 mm N/A -279
BS278 F-70 N/A
189074 		N/A BS Standard O-Ring N/A Flurosilicone N/A 0.139 in3.53 mm N/A 70 N/A 11.984 in304.39 mm N/A 0.004 in0.10 mm N/A -278
BS277 F-70 N/A
189075 		N/A BS Standard O-Ring N/A Flurosilicone N/A 0.139 in3.53 mm N/A 70 N/A 11.484 in291.69 mm N/A 0.004 in0.10 mm N/A -277
BS276 F-70 N/A
189076 		N/A BS Standard O-Ring N/A Flurosilicone N/A 0.139 in3.53 mm N/A 70 N/A 10.984 in278.99 mm N/A 0.004 in0.10 mm N/A -276
BS275 F-70 N/A
189077 		N/A BS Standard O-Ring N/A Flurosilicone N/A 0.139 in3.53 mm N/A 70 N/A 10.484 in266.29 mm N/A 0.004 in0.10 mm N/A -275
BS274 F-70 N/A
189078 		N/A BS Standard O-Ring N/A Flurosilicone N/A 0.139 in3.53 mm N/A 70 N/A 9.984 in253.59 mm N/A 0.004 in0.10 mm N/A -274
BS273 F-70 N/A
189079 		N/A BS Standard O-Ring N/A Flurosilicone N/A 0.139 in3.53 mm N/A 70 N/A 9.734 in247.24 mm N/A 0.004 in0.10 mm N/A -273
BS272 F-70 N/A
189080 		N/A BS Standard O-Ring N/A Flurosilicone N/A 0.139 in3.53 mm N/A 70 N/A 9.484 in240.89 mm N/A 0.004 in0.10 mm N/A -272
BS271 F-70 N/A
189081 		N/A BS Standard O-Ring N/A Flurosilicone N/A 0.139 in3.53 mm N/A 70 N/A 9.234 in234.54 mm N/A 0.004 in0.10 mm N/A -271
BS270 F-70 N/A
189082 		N/A BS Standard O-Ring N/A Flurosilicone N/A 0.139 in3.53 mm N/A 70 N/A 8.984 in228.19 mm N/A 0.004 in0.10 mm N/A -270
BS269 F-70 N/A
189083 		N/A BS Standard O-Ring N/A Flurosilicone N/A 0.139 in3.53 mm N/A 70 N/A 8.734 in221.84 mm N/A 0.004 in0.10 mm N/A -269
BS268 F-70 N/A
189084 		N/A BS Standard O-Ring N/A Flurosilicone N/A 0.139 in3.53 mm N/A 70 N/A 8.484 in215.49 mm N/A 0.004 in0.10 mm N/A -268
BS267 F-70 N/A
189085 		N/A BS Standard O-Ring N/A Flurosilicone N/A 0.139 in3.53 mm N/A 70 N/A 8.234 in209.14 mm N/A 0.004 in0.10 mm N/A -267
BS266 F-70 N/A
189086 		N/A BS Standard O-Ring N/A Flurosilicone N/A 0.139 in3.53 mm N/A 70 N/A 7.984 in202.79 mm N/A 0.004 in0.10 mm N/A -266
BS265 F-70 N/A
189087 		N/A BS Standard O-Ring N/A Flurosilicone N/A 0.139 in3.53 mm N/A 70 N/A 7.734 in196.44 mm N/A 0.004 in0.10 mm N/A -265
BS264 F-70 N/A
189088 		N/A BS Standard O-Ring N/A Flurosilicone N/A 0.139 in3.53 mm N/A 70 N/A 7.484 in190.09 mm N/A 0.004 in0.10 mm N/A -264
BS263 F-70 N/A
189089 		N/A BS Standard O-Ring N/A Flurosilicone N/A 0.139 in3.53 mm N/A 70 N/A 7.234 in183.74 mm N/A 0.004 in0.10 mm N/A -263
BS262 F-70 N/A
189090 		N/A BS Standard O-Ring N/A Flurosilicone N/A 0.139 in3.53 mm N/A 70 N/A 6.984 in177.39 mm N/A 0.004 in0.10 mm N/A -262
BS261 F-70 N/A
189091 		N/A BS Standard O-Ring N/A Flurosilicone N/A 0.139 in3.53 mm N/A 70 N/A 6.734 in171.04 mm N/A 0.004 in0.10 mm N/A -261
BS275 F-70 N/A
189092 		N/A BS Standard O-Ring N/A Flurosilicone N/A 0.139 in3.53 mm N/A 70 N/A 6.484 in164.69 mm N/A 0.004 in0.10 mm N/A -275
BS259 F-70 N/A
189093 		N/A BS Standard O-Ring N/A Flurosilicone N/A 0.139 in3.53 mm N/A 70 N/A 6.234 in158.34 mm N/A 0.004 in0.10 mm N/A -259
BS258 F-70 N/A
189094 		N/A BS Standard O-Ring N/A Flurosilicone N/A 0.139 in3.53 mm N/A 70 N/A 5.984 in151.99 mm N/A 0.004 in0.10 mm N/A -258
BS257 F-70 N/A
189095 		N/A BS Standard O-Ring N/A Flurosilicone N/A 0.139 in3.53 mm N/A 70 N/A 5.859 in148.82 mm N/A 0.004 in0.10 mm N/A -257
BS256 F-70 N/A
189096 		N/A BS Standard O-Ring N/A Flurosilicone N/A 0.139 in3.53 mm N/A 70 N/A 5.734 in145.64 mm N/A 0.004 in0.10 mm N/A -256
BS255 F-70 N/A
189097 		N/A BS Standard O-Ring N/A Flurosilicone N/A 0.139 in3.53 mm N/A 70 N/A 5.759 in146.28 mm N/A 0.004 in0.10 mm N/A -255
Unit of Measure
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