-420 BLACK FKM 90D O-RING

V90420 is an AS568-420 black Viton® (FKM) 90 Shore A O-Ring supplied with an inside diameter of 3.85 in (97.79 mm), a cross section of 0.275 in (6.99 mm), and an outside diameter of 4.4 in (111.76 mm). In service, this o-ring compresses into its gland to block fluid or gas migration across a joint.

As a material, Viton® (FKM) delivers long service life in hot, chemically aggressive environments and outstanding high-temperature capability. Expect good resistance to aggressive chemicals, engine and transmission fluids, and aromatic hydrocarbons. Published continuous service range is -15°F (-26.1°C) to 400°F (204.4°C).

You will find this material specified across chemical processing, aerospace, and semiconductor equipment.

This item is sold individually under part number V90420. Check the compound against your process media, pressure and temperature before committing to a design. Not finding the exact configuration you need? APG cross-references from prints, samples and competitor part numbers.