*568-377 FLUOROSILICONE 70 DURO ORINGS

Part number FS70377 is an AS568-377 blue Fluorosilicone (FVMQ) 70 Shore A O-Ring with an inside diameter of 9.975 in (253.37 mm), a cross section of 0.21 in (5.33 mm), and an outside diameter of 10.395 in (264.03 mm). An o-ring provides a reliable static or dynamic seal by deforming into its gland under assembly load.

Expect good resistance to aromatic fuels and jet fuel, ozone and weathering, and chlorinated solvents. Fluorosilicone (FVMQ) is specified for the standard choice for static aerospace fuel system seals, excellent ozone and UV stability. Continuous operating temperature is published at -80°F (-62.2°C) to 350°F (176.7°C). Verify compatibility before use with brake fluids or ketones.

Maintenance and OEM teams specify it across aviation fuel systems, high-altitude equipment, and aerospace and defense.

This item is sold individually under part number FS70377. Unit weight is approximately 28.162 g. As always, verify media compatibility and operating conditions against the requirements of your specific application. Not finding the exact configuration you need? APG cross-references from prints, samples and competitor part numbers.