-437 BLACK FKM 75D O-RING

APG stocks the V75437, an AS568-437 black Viton® (FKM) 75 Shore A O-Ring with an inside diameter of 5.975 in (151.77 mm), a cross section of 0.275 in (6.99 mm), and an outside diameter of 6.525 in (165.74 mm). An o-ring provides a reliable static or dynamic seal by deforming into its gland under assembly load.

Viton® (FKM) is specified for very low compression set at elevated temperature and outstanding high-temperature capability. Expect good resistance to engine and transmission fluids, many acids, and petroleum oils and fuels. Service temperature is rated from -15°F (-26.1°C) through 400°F (204.4°C). Applications involving hot water and steam or ketones and esters call for a different compound.

Common environments for this compound include automotive fuel systems, high-temperature process equipment, and aerospace.

V75437 ships individually. Unit weight is approximately 35.153 g. Confirm chemical compatibility, pressure and temperature against your own application requirements before installing. If you need a size, durometer or compound that is not listed, APG can cross-reference from a print, a sample or a competitor part number.