-423 BLACK FKM 75D O-RING

This o-ring is supplied in AS568-423 black Viton® (FKM) 75 Shore A supplied with an inside diameter of 4.225 in (107.32 mm), a cross section of 0.275 in (6.99 mm), and an outside diameter of 4.775 in (121.29 mm), catalogued under part number V70423. It compresses into its gland to block fluid or gas migration across a joint.

Viton® (FKM) delivers very low compression set at elevated temperature and long service life in hot, chemically aggressive environments. This material stands up to petroleum oils and fuels, aromatic hydrocarbons, and chlorinated solvents. The material carries a published service range of -15°F (-26.1°C) to 400°F (204.4°C).

Maintenance and OEM teams specify it across chemical processing, aerospace, and high-temperature process equipment.

V70423 ships individually. Unit weight is approximately 25.033 g and nominal inside diameter is listed as 4 1/4 inch. 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.