*568-166 FLUOROSILICONE 70 DURO ORINGS

Part number FS70166 is an AS568-166 blue Fluorosilicone (FVMQ) 70 Shore A O-Ring built to an inside diameter of 6.737 in (171.12 mm), a cross section of 0.103 in (2.62 mm), and an outside diameter of 6.943 in (176.35 mm). An o-ring delivers dependable bidirectional sealing in a compact groove envelope.

It resists ozone and weathering, aromatic fuels and jet fuel, and petroleum oils. Fluorosilicone (FVMQ) delivers good compression set resistance in static duty and the standard choice for static aerospace fuel system seals. Service temperature is rated from -80°F (-62.2°C) through 350°F (176.7°C). It is not the right choice where hydrazine or high-temperature dynamic service are present.

You will find this material specified across military ground vehicles, high-altitude equipment, and aviation fuel systems.

Order part number FS70166, sold individually. As always, verify media compatibility and operating conditions against the requirements of your specific application. For a size or compound outside the standard catalog, APG can quote from a print or sample.