-331 BLACK CHEMOURS VITON 75D O-RING

VITON75331 is an AS568-331 black Viton® (FKM) 75 Shore A O-Ring with an inside diameter of 2.225 in (56.52 mm), a cross section of 0.21 in (5.33 mm), and an outside diameter of 2.645 in (67.18 mm). In service, this o-ring compresses into its gland to block fluid or gas migration across a joint.

As a material, Viton® (FKM) is known for the industry benchmark where nitrile reaches its thermal limit and long service life in hot, chemically aggressive environments. It resists petroleum oils and fuels, aromatic hydrocarbons, and chlorinated solvents. Published continuous service range is -15°F (-26.1°C) to 400°F (204.4°C).

Maintenance and OEM teams specify it across oil and gas, high-temperature process equipment, and automotive fuel systems.

Stocked as VITON75331 and sold individually. Unit weight is approximately 8.1178 g and nominal inside diameter is listed as 2 1/4 inch. Check the compound against your process media, pressure and temperature before committing to a design. For a size or compound outside the standard catalog, APG can quote from a print or sample.