-040 BLACK FKM 75D O-RING

Ordered as V75040, this is an AS568-040 black Viton® (FKM) 75 Shore A O-Ring with an inside diameter of 2.864 in (72.75 mm), a cross section of 0.07 in (1.78 mm), and an outside diameter of 3.004 in (76.3 mm). The o-ring creates a positive seal at flange, piston and rod interfaces without added hardware.

Viton® (FKM) offers the industry benchmark where nitrile reaches its thermal limit and long service life in hot, chemically aggressive environments. Expect good resistance to many acids, engine and transmission fluids, and petroleum oils and fuels. Continuous operating temperature is published at -15°F (-26.1°C) to 400°F (204.4°C). Applications involving ketones and esters or hot water and steam call for a different compound.

Maintenance and OEM teams specify it across oil and gas, automotive fuel systems, and chemical processing.

Order part number V75040, sold individually. Nominal inside diameter is listed as 2 7/8 inch. Review your operating media and conditions against this specification before installation. For a size or compound outside the standard catalog, APG can quote from a print or sample.