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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
BS204 F-70 N/A
189148
N/A BS Standard O-Ring N/A Flurosilicone N/A 0.139 in3.53 mm N/A 70 N/A 0.359 in9.12 mm N/A 0.004 in0.10 mm N/A -204
BS203 F-70 N/A
189149
N/A BS Standard O-Ring N/A Flurosilicone N/A 0.139 in3.53 mm N/A 70 N/A 0.296 in7.52 mm N/A 0.004 in0.10 mm N/A -203
BS202 F-70 N/A
189150
N/A BS Standard O-Ring N/A Flurosilicone N/A 0.139 in3.53 mm N/A 70 N/A 0.234 in5.94 mm N/A 0.004 in0.10 mm N/A -202
BS201 F-70 N/A
189151
N/A BS Standard O-Ring N/A Flurosilicone N/A 0.139 in3.53 mm N/A 70 N/A 0.171 in4.34 mm N/A 0.004 in0.10 mm N/A -201
BS178 F-70 N/A
189152
N/A BS Standard O-Ring N/A Flurosilicone N/A 0.103 in2.62 mm N/A 70 N/A 9.737 in247.32 mm N/A 0.003 in0.08 mm N/A -178
BS177 F-70 N/A
189153
N/A BS Standard O-Ring N/A Flurosilicone N/A 0.103 in2.62 mm N/A 70 N/A 9.487 in240.97 mm N/A 0.003 in0.08 mm N/A -177
BS176 F-70 N/A
189154
N/A BS Standard O-Ring N/A Flurosilicone N/A 0.103 in2.62 mm N/A 70 N/A 9.237 in234.62 mm N/A 0.003 in0.08 mm N/A -176
BS175 F-70 N/A
189155
N/A BS Standard O-Ring N/A Flurosilicone N/A 0.103 in2.62 mm N/A 70 N/A 8.987 in228.27 mm N/A 0.003 in0.08 mm N/A -175
BS174 F-70 N/A
189156
N/A BS Standard O-Ring N/A Flurosilicone N/A 0.103 in2.62 mm N/A 70 N/A 8.737 in221.92 mm N/A 0.003 in0.08 mm N/A -174
BS173 F-70 N/A
189157
N/A BS Standard O-Ring N/A Flurosilicone N/A 0.103 in2.62 mm N/A 70 N/A 8.487 in215.57 mm N/A 0.003 in0.08 mm N/A -173
BS172 F-70 N/A
189158
N/A BS Standard O-Ring N/A Flurosilicone N/A 0.103 in2.62 mm N/A 70 N/A 8.237 in209.22 mm N/A 0.003 in0.08 mm N/A -172
BS171 F-70 N/A
189159
N/A BS Standard O-Ring N/A Flurosilicone N/A 0.103 in2.62 mm N/A 70 N/A 7.987 in202.87 mm N/A 0.003 in0.08 mm N/A -171
BS170 F-70 N/A
189160
N/A BS Standard O-Ring N/A Flurosilicone N/A 0.103 in2.62 mm N/A 70 N/A 7.737 in196.52 mm N/A 0.003 in0.08 mm N/A -170
BS169 F-70 N/A
189161
N/A BS Standard O-Ring N/A Flurosilicone N/A 0.103 in2.62 mm N/A 70 N/A 7.487 in190.17 mm N/A 0.003 in0.08 mm N/A -169
BS168 F-70 N/A
189162
N/A BS Standard O-Ring N/A Flurosilicone N/A 0.103 in2.62 mm N/A 70 N/A 7.237 in183.82 mm N/A 0.003 in0.08 mm N/A -168
BS167 F-70 N/A
189163
N/A BS Standard O-Ring N/A Flurosilicone N/A 0.103 in2.62 mm N/A 70 N/A 6.987 in177.47 mm N/A 0.003 in0.08 mm N/A -167
BS166 F-70 N/A
189164
N/A BS Standard O-Ring N/A Flurosilicone N/A 0.103 in2.62 mm N/A 70 N/A 6.737 in171.12 mm N/A 0.003 in0.08 mm N/A -166
BS165 F-70 N/A
189165
N/A BS Standard O-Ring N/A Flurosilicone N/A 0.103 in2.62 mm N/A 70 N/A 6.487 in164.77 mm N/A 0.003 in0.08 mm N/A -165
BS164 F-70 N/A
189166
N/A BS Standard O-Ring N/A Flurosilicone N/A 0.103 in2.62 mm N/A 70 N/A 6.237 in158.42 mm N/A 0.003 in0.08 mm N/A -164
BS163 F-70 N/A
189167
N/A BS Standard O-Ring N/A Flurosilicone N/A 0.103 in2.62 mm N/A 70 N/A 5.987 in152.07 mm N/A 0.003 in0.08 mm N/A -163
BS162 F-70 N/A
189168
N/A BS Standard O-Ring N/A Flurosilicone N/A 0.103 in2.62 mm N/A 70 N/A 5.737 in145.72 mm N/A 0.003 in0.08 mm N/A -162
BS161 F-70 N/A
189169
N/A BS Standard O-Ring N/A Flurosilicone N/A 0.103 in2.62 mm N/A 70 N/A 5.487 in139.37 mm N/A 0.003 in0.08 mm N/A -161
BS175 F-70 N/A
189170
N/A BS Standard O-Ring N/A Flurosilicone N/A 0.103 in2.62 mm N/A 70 N/A 5.237 in133.02 mm N/A 0.003 in0.08 mm N/A -175
BS159 F-70 N/A
189171
N/A BS Standard O-Ring N/A Flurosilicone N/A 0.103 in2.62 mm N/A 70 N/A 4.987 in126.67 mm N/A 0.003 in0.08 mm N/A -159
BS158 F-70 N/A
189172
N/A BS Standard O-Ring N/A Flurosilicone N/A 0.103 in2.62 mm N/A 70 N/A 4.737 in120.32 mm N/A 0.003 in0.08 mm N/A -158
Unit of Measure
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