*568-347 FLUOROSILICONE 70 DURO ORINGS

The FS70347 is an AS568-347 blue Fluorosilicone (FVMQ) 70 Shore A O-Ring built to an inside diameter of 4.225 in (107.32 mm), a cross section of 0.21 in (5.33 mm), and an outside diameter of 4.645 in (117.98 mm). This o-ring delivers dependable bidirectional sealing in a compact groove envelope.

Fluorosilicone (FVMQ) is known for silicone's low-temperature flexibility combined with fuel resistance and the standard choice for static aerospace fuel system seals. Expect good resistance 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). Verify compatibility before use with ketones or high-temperature dynamic service.

Maintenance and OEM teams specify it across high-altitude equipment, military ground vehicles, and aerospace and defense.

This item is sold individually under part number FS70347. Confirm chemical compatibility, pressure and temperature against your own application requirements before installing. APG can cross-reference from an existing part number, a drawing or a physical sample if this size is not an exact match.