-389 BLACK FKM 90D O-RING

This o-ring is supplied in AS568-389 black Viton® (FKM) 90 Shore A supplied with an inside diameter of 19.953 in (506.81 mm), a cross section of 0.21 in (5.33 mm), and an outside diameter of 20.373 in (517.47 mm), catalogued under part number V90389. It creates a positive seal at flange, piston and rod interfaces without added hardware.

Viton® (FKM) offers long service life in hot, chemically aggressive environments and very low compression set at elevated temperature. Expect good resistance to engine and transmission fluids, many acids, and chlorinated solvents. Published continuous service range is -15°F (-26.1°C) to 400°F (204.4°C).

Common environments for this compound include automotive fuel systems, semiconductor equipment, and oil and gas.

V90389 ships individually. Unit weight is approximately 64.715 g and nominal inside diameter is listed as 20 inch. Confirm chemical compatibility, pressure and temperature against your own application requirements before installing.