-343 BLACK CHEMOURS VITON 75D O-RING

VITON75343 is an AS568-343 black Viton® (FKM) 75 Shore A O-Ring built to an inside diameter of 3.725 in (94.62 mm), a cross section of 0.21 in (5.33 mm), and an outside diameter of 4.145 in (105.28 mm). In service, this o-ring seats in a machined groove and forms a leak-tight barrier when compressed between two mating surfaces.

Viton® (FKM) is specified here for long service life in hot, chemically aggressive environments and very low compression set at elevated temperature. The compound resists chlorinated solvents, engine and transmission fluids, and aromatic hydrocarbons. Service temperature is rated from -15°F (-26.1°C) through 400°F (204.4°C). Verify compatibility before use with ketones and esters or amines.

Common environments for this compound include oil and gas, automotive fuel systems, and aerospace.

Order part number VITON75343, sold individually. Unit weight is approximately 12.859 g and nominal inside diameter is listed as 3 3/4 inch. As always, verify media compatibility and operating conditions against the requirements of your specific application. APG supports cross-referencing from drawings, samples and competitor numbers when a listed size is not an exact fit.