-420 BLACK FKM 75D O-RING

Ordered as V75420, this is an AS568-420 black Viton® (FKM) 75 Shore A O-Ring measuring 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). The o-ring delivers dependable bidirectional sealing in a compact groove envelope.

As a material, Viton® (FKM) delivers excellent resistance to compression set and permeation, outstanding high-temperature capability. The compound resists aromatic hydrocarbons, aggressive chemicals, and petroleum oils and fuels. Published continuous service range is -15°F (-26.1°C) to 400°F (204.4°C). Applications involving ketones and esters or amines call for a different compound.

Maintenance and OEM teams specify it across semiconductor equipment, aerospace, and automotive fuel systems.

Reference part number V75420 when ordering; the item is sold individually. Nominal inside diameter is listed as 3 7/8 inch. Confirm chemical compatibility, pressure and temperature against your own application requirements before installing.