568-008 FLUOROSILICONE 70 DURO ORINGS

Ordered as FS70008, this is an AS568-008 blue Fluorosilicone (FVMQ) 70 Shore A O-Ring supplied with an inside diameter of 0.176 in (4.47 mm), a cross section of 0.07 in (1.78 mm), and an outside diameter of 0.316 in (8.03 mm). The o-ring compresses into its gland to block fluid or gas migration across a joint.

It resists ozone and weathering, extreme cold, and aromatic fuels and jet fuel. Fluorosilicone (FVMQ) is specified for the standard choice for static aerospace fuel system seals and good compression set resistance in static duty. Published continuous service range is -80°F (-62.2°C) to 350°F (176.7°C). It is not the right choice where hydrazine or ketones are present.

Typical settings include aviation fuel systems, high-altitude equipment, and military ground vehicles.

Reference part number FS70008 when ordering; the item is sold individually. Unit weight is approximately 0.076 g and nominal inside diameter is listed as 3/16 inch. Confirm chemical compatibility, pressure and temperature against your own application requirements before installing. APG supports cross-referencing from drawings, samples and competitor numbers when a listed size is not an exact fit.