*568-341 FLUOROSILICONE 70 DURO ORINGS

Part number FS70341 is an AS568-341 blue Fluorosilicone (FVMQ) 70 Shore A O-Ring with an inside diameter of 3.475 in (88.27 mm), a cross section of 0.21 in (5.33 mm), and an outside diameter of 3.895 in (98.93 mm). An o-ring delivers dependable bidirectional sealing in a compact groove envelope.

Fluorosilicone (FVMQ) is specified here for standard choice for static aerospace fuel system seals and silicone's low-temperature flexibility combined with fuel resistance. This material stands up to petroleum oils, extreme cold, and aromatic fuels and jet fuel. Continuous operating temperature is published at -80°F (-62.2°C) to 350°F (176.7°C). It should not be specified for service in hydrazine or ketones.

You will find this material specified across military ground vehicles, aerospace and defense, and high-altitude equipment.

Reference part number FS70341 when ordering; the item is sold individually. Check the compound against your process media, pressure and temperature before committing to a design. APG can cross-reference from an existing part number, a drawing or a physical sample if this size is not an exact match.