BS Fluorosilicone O-Rings

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.

Item #	IntegrationID	Type	Material	Cross Section Width	Durometer	Inside Diameter	CSW Tolerance	BS Number	Product Guides
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	N/A Seal Guides
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	N/A Seal Guides
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	N/A Seal Guides
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	N/A Seal Guides
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	N/A Seal Guides
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	N/A Seal Guides
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	N/A Seal Guides
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	N/A Seal Guides
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	N/A Seal Guides
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	N/A Seal Guides
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	N/A Seal Guides
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	N/A Seal Guides
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	N/A Seal Guides
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	N/A Seal Guides
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	N/A Seal Guides
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	N/A Seal Guides
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	N/A Seal Guides
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	N/A Seal Guides
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	N/A Seal Guides
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	N/A Seal Guides
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	N/A Seal Guides
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	N/A Seal Guides
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	N/A Seal Guides
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	N/A Seal Guides
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	N/A Seal Guides

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

N/A Seal Guides

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

N/A Seal Guides

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

N/A Seal Guides

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

N/A Seal Guides

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

N/A Seal Guides

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

N/A Seal Guides

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

N/A Seal Guides

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

N/A Seal Guides

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

N/A Seal Guides

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

N/A Seal Guides

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

N/A Seal Guides

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

N/A Seal Guides

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

N/A Seal Guides

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

N/A Seal Guides

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

N/A Seal Guides

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

N/A Seal Guides

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

N/A Seal Guides

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

N/A Seal Guides

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

N/A Seal Guides

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

N/A Seal Guides

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

N/A Seal Guides

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

N/A Seal Guides

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

N/A Seal Guides

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

N/A Seal Guides

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

N/A Seal Guides