-418 BLACK FKM 90D O-RING

Ordered as V90418, this is an AS568-418 black Viton® (FKM) 90 Shore A O-Ring measuring an inside diameter of 3.6 in (91.44 mm), a cross section of 0.275 in (6.99 mm), and an outside diameter of 4.15 in (105.41 mm). The o-ring remains the most cost-effective sealing element available for pressurized assemblies.

Viton® (FKM) is specified here for long service life in hot, chemically aggressive environments, excellent resistance to compression set and permeation. The material holds up against petroleum oils and fuels, engine and transmission fluids, and aromatic hydrocarbons. The material carries a published service range of -15°F (-26.1°C) to 400°F (204.4°C). Applications involving ketones and esters or amines call for a different compound.

Typical settings include automotive fuel systems, aerospace, and oil and gas.

Reference part number V90418 when ordering; the item is sold individually. Nominal inside diameter is listed as 3 5/8 inch. Check the compound against your process media, pressure and temperature before committing to a design.