Metric Fluorosilicone O-Rings

OneMonroe’s Metric Fluorosilicone O-Rings are the ultimate choice for sealing solutions that demand exceptional resistance to harsh environmental factors. These O-rings are crafted from high-quality fluorosilicone, a specialized material renowned for its impressive resistance to fuels, oils, and solvents. Designed to endure extreme temperatures, our O-rings maintain their flexibility and integrity from -70°F to 400°F (-57°C to 204°C), making them suitable for a wide range of demanding applications. Whether in aerospace, automotive, or industrial sectors, these O-rings provide reliable, long-lasting performance in critical sealing operations.

Our Metric Fluorosilicone O-Rings are engineered with precision and are available in a wide array of metric sizes, ensuring compatibility with various systems and components. Known for their stability, these O-rings are ideal for applications that require low compression set and long-term resilience. Unlike standard rubber compounds, fluorosilicone offers enhanced resistance to weathering, ozone, and other environmental challenges, making them suitable for both indoor and outdoor use. The metric sizing of these O-rings meets international standards, allowing for a secure fit in any metric-based design or equipment, regardless of industry or location.

At OneMonroe, quality and reliability are at the forefront of our product offerings. Each fluorosilicone O-ring is meticulously crafted and inspected to meet rigorous industry standards, ensuring optimal performance in even the most challenging conditions. By choosing OneMonroe Metric Fluorosilicone O-Rings, you're investing in a sealing solution that combines the highest standards of material integrity, flexibility, and chemical resistance. Our O-rings provide unmatched durability, offering a dependable solution for engineers and professionals who require a product they can trust for both standard and specialized applications.

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 Reference	Cross Section Width	Durometer	Inside Diameter
145 X 5.3 F-70	N/A 170661	N/A Metric Standard O-Ring	N/A Flurosilicone	N/A	N/A 5.30 mm	N/A 70	N/A 145.00 mm
145 X 5.5 F-70	N/A 170662	N/A Metric Standard O-Ring	N/A Flurosilicone	N/A	N/A 5.50 mm	N/A 70	N/A 145.00 mm
145 X 6 F-70	N/A 170663	N/A Metric Standard O-Ring	N/A Flurosilicone	N/A	N/A 6.00 mm	N/A 70	N/A 145.00 mm
145.29 X 1.78 F-70	N/A 170664	N/A Metric Standard O-Ring	N/A Flurosilicone	N/A BS553	N/A 1.78 mm	N/A 70	N/A 145.29 mm
145.42 X 5.33 F-70	N/A 170665	N/A Metric Standard O-Ring	N/A Flurosilicone	N/A 359	N/A 5.33 mm	N/A 70	N/A 145.42 mm
145.42 X 6.99 F-70	N/A 170666	N/A Metric Standard O-Ring	N/A Flurosilicone	N/A 435	N/A 6.99 mm	N/A 70	N/A 145.42 mm
145.64 X 3.53 F-70	N/A 170667	N/A Metric Standard O-Ring	N/A Flurosilicone	N/A 256	N/A 3.53 mm	N/A 70	N/A 145.64 mm
145.72 X 2.62 F-70	N/A 170668	N/A Metric Standard O-Ring	N/A Flurosilicone	N/A 162	N/A 2.62 mm	N/A 70	N/A 145.72 mm
146 X 2.5 F-70	N/A 170669	N/A Metric Standard O-Ring	N/A Flurosilicone	N/A	N/A 2.50 mm	N/A 70	N/A 146.00 mm
146 X 3 F-70	N/A 170670	N/A Metric Standard O-Ring	N/A Flurosilicone	N/A	N/A 3.00 mm	N/A 70	N/A 146.00 mm
146 X 3.5 F-70	N/A 170671	N/A Metric Standard O-Ring	N/A Flurosilicone	N/A	N/A 3.50 mm	N/A 70	N/A 146.00 mm
146 X 4 F-70	N/A 170672	N/A Metric Standard O-Ring	N/A Flurosilicone	N/A	N/A 4.00 mm	N/A 70	N/A 146.00 mm
146 X 5 F-70	N/A 170673	N/A Metric Standard O-Ring	N/A Flurosilicone	N/A	N/A 5.00 mm	N/A 70	N/A 146.00 mm
146 X 6 F-70	N/A 170674	N/A Metric Standard O-Ring	N/A Flurosilicone	N/A	N/A 6.00 mm	N/A 70	N/A 146.00 mm
146.05 X 5.33 F-70	N/A 170675	N/A Metric Standard O-Ring	N/A Flurosilicone	N/A BS869	N/A 5.33 mm	N/A 70	N/A 146.05 mm
147 X 2.5 F-70	N/A 170676	N/A Metric Standard O-Ring	N/A Flurosilicone	N/A	N/A 2.50 mm	N/A 70	N/A 147.00 mm
147 X 3 F-70	N/A 170677	N/A Metric Standard O-Ring	N/A Flurosilicone	N/A	N/A 3.00 mm	N/A 70	N/A 147.00 mm
147 X 3.5 F-70	N/A 170678	N/A Metric Standard O-Ring	N/A Flurosilicone	N/A	N/A 3.50 mm	N/A 70	N/A 147.00 mm
147 X 4 F-70	N/A 170679	N/A Metric Standard O-Ring	N/A Flurosilicone	N/A	N/A 4.00 mm	N/A 70	N/A 147.00 mm
147 X 5 F-70	N/A 170680	N/A Metric Standard O-Ring	N/A Flurosilicone	N/A	N/A 5.00 mm	N/A 70	N/A 147.00 mm
148 X 2.5 F-70	N/A 170681	N/A Metric Standard O-Ring	N/A Flurosilicone	N/A	N/A 2.50 mm	N/A 70	N/A 148.00 mm
148 X 3 F-70	N/A 170682	N/A Metric Standard O-Ring	N/A Flurosilicone	N/A	N/A 3.00 mm	N/A 70	N/A 148.00 mm
148 X 3.5 F-70	N/A 170683	N/A Metric Standard O-Ring	N/A Flurosilicone	N/A	N/A 3.50 mm	N/A 70	N/A 148.00 mm
148 X 4 F-70	N/A 170684	N/A Metric Standard O-Ring	N/A Flurosilicone	N/A	N/A 4.00 mm	N/A 70	N/A 148.00 mm
148 X 5 F-70	N/A 170685	N/A Metric Standard O-Ring	N/A Flurosilicone	N/A	N/A 5.00 mm	N/A 70	N/A 148.00 mm

N/A
170661

N/A Metric Standard O-Ring

N/A Flurosilicone

N/A

N/A 5.30 mm

N/A 70

N/A 145.00 mm

145 X 5.5 F-70

N/A
170662

N/A Metric Standard O-Ring

N/A Flurosilicone

N/A

N/A 5.50 mm

N/A 70

N/A 145.00 mm

145 X 6 F-70

N/A
170663

N/A Metric Standard O-Ring

N/A Flurosilicone

N/A

N/A 6.00 mm

N/A 70

N/A 145.00 mm

145.29 X 1.78 F-70

N/A
170664

N/A Metric Standard O-Ring

N/A Flurosilicone

N/A BS553

N/A 1.78 mm

N/A 70

N/A 145.29 mm

145.42 X 5.33 F-70

N/A
170665

N/A Metric Standard O-Ring

N/A Flurosilicone

N/A 359

N/A 5.33 mm

N/A 70

N/A 145.42 mm

145.42 X 6.99 F-70

N/A
170666

N/A Metric Standard O-Ring

N/A Flurosilicone

N/A 435

N/A 6.99 mm

N/A 70

N/A 145.42 mm

145.64 X 3.53 F-70

N/A
170667

N/A Metric Standard O-Ring

N/A Flurosilicone

N/A 256

N/A 3.53 mm

N/A 70

N/A 145.64 mm

145.72 X 2.62 F-70

N/A
170668

N/A Metric Standard O-Ring

N/A Flurosilicone

N/A 162

N/A 2.62 mm

N/A 70

N/A 145.72 mm

146 X 2.5 F-70

N/A
170669

N/A Metric Standard O-Ring

N/A Flurosilicone

N/A

N/A 2.50 mm

N/A 70

N/A 146.00 mm

146 X 3 F-70

N/A
170670

N/A Metric Standard O-Ring

N/A Flurosilicone

N/A

N/A 3.00 mm

N/A 70

N/A 146.00 mm

146 X 3.5 F-70

N/A
170671

N/A Metric Standard O-Ring

N/A Flurosilicone

N/A

N/A 3.50 mm

N/A 70

N/A 146.00 mm

146 X 4 F-70

N/A
170672

N/A Metric Standard O-Ring

N/A Flurosilicone

N/A

N/A 4.00 mm

N/A 70

N/A 146.00 mm

146 X 5 F-70

N/A
170673

N/A Metric Standard O-Ring

N/A Flurosilicone

N/A

N/A 5.00 mm

N/A 70

N/A 146.00 mm

146 X 6 F-70

N/A
170674

N/A Metric Standard O-Ring

N/A Flurosilicone

N/A

N/A 6.00 mm

N/A 70

N/A 146.00 mm

146.05 X 5.33 F-70

N/A
170675

N/A Metric Standard O-Ring

N/A Flurosilicone

N/A BS869

N/A 5.33 mm

N/A 70

N/A 146.05 mm

147 X 2.5 F-70

N/A
170676

N/A Metric Standard O-Ring

N/A Flurosilicone

N/A

N/A 2.50 mm

N/A 70

N/A 147.00 mm

147 X 3 F-70

N/A
170677

N/A Metric Standard O-Ring

N/A Flurosilicone

N/A

N/A 3.00 mm

N/A 70

N/A 147.00 mm

147 X 3.5 F-70

N/A
170678

N/A Metric Standard O-Ring

N/A Flurosilicone

N/A

N/A 3.50 mm

N/A 70

N/A 147.00 mm

147 X 4 F-70

N/A
170679

N/A Metric Standard O-Ring

N/A Flurosilicone

N/A

N/A 4.00 mm

N/A 70

N/A 147.00 mm

147 X 5 F-70

N/A
170680

N/A Metric Standard O-Ring

N/A Flurosilicone

N/A

N/A 5.00 mm

N/A 70

N/A 147.00 mm

148 X 2.5 F-70

N/A
170681

N/A Metric Standard O-Ring

N/A Flurosilicone

N/A

N/A 2.50 mm

N/A 70

N/A 148.00 mm

148 X 3 F-70

N/A
170682

N/A Metric Standard O-Ring

N/A Flurosilicone

N/A

N/A 3.00 mm

N/A 70

N/A 148.00 mm

148 X 3.5 F-70

N/A
170683

N/A Metric Standard O-Ring

N/A Flurosilicone

N/A

N/A 3.50 mm

N/A 70

N/A 148.00 mm

148 X 4 F-70

N/A
170684

N/A Metric Standard O-Ring

N/A Flurosilicone

N/A

N/A 4.00 mm

N/A 70

N/A 148.00 mm

148 X 5 F-70

N/A
170685

N/A Metric Standard O-Ring

N/A Flurosilicone

N/A

N/A 5.00 mm

N/A 70

N/A 148.00 mm