568-140 FLUOROSILICONE 70 DURO ORINGS

This o-ring is supplied in AS568-140 blue Fluorosilicone (FVMQ) 70 Shore A supplied with an inside diameter of 2.237 in (56.82 mm), a cross section of 0.103 in (2.62 mm), and an outside diameter of 2.443 in (62.05 mm), catalogued under part number FS70140. It delivers dependable bidirectional sealing in a compact groove envelope.

Fluorosilicone (FVMQ) is specified here for standard choice for static aerospace fuel system seals, excellent ozone and UV stability. This material stands up to ozone and weathering, petroleum oils, and extreme cold. The material carries a published service range of -80°F (-62.2°C) to 350°F (176.7°C). Applications involving hydrazine or brake fluids call for a different compound.

You will find this material specified across aviation fuel systems, aerospace and defense, and military ground vehicles.

FS70140 ships individually. Unit weight is approximately 1.5007 g and nominal inside diameter is listed as 2 1/4 inch. Confirm chemical compatibility, pressure and temperature against your own application requirements before installing. For a size or compound outside the standard catalog, APG can quote from a print or sample.