-156 BLACK CHEMOURS VITON 75D O-RING

APG stocks the VITON75156, an AS568-156 black Viton® (FKM) 75 Shore A O-Ring measuring an inside diameter of 4.237 in (107.62 mm), a cross section of 0.103 in (2.62 mm), and an outside diameter of 4.443 in (112.85 mm). An o-ring creates a positive seal at flange, piston and rod interfaces without added hardware.

Viton® (FKM) delivers excellent resistance to compression set and permeation, long service life in hot, chemically aggressive environments. The compound resists aggressive chemicals, 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). Verify compatibility before use with low-molecular-weight organic acids or hot water and steam.

It sees regular use in high-temperature process equipment, semiconductor equipment, and automotive fuel systems.

Reference part number VITON75156 when ordering; the item is sold individually. Unit weight is approximately 3.36 g and nominal inside diameter is listed as 4 1/4 inch. As always, verify media compatibility and operating conditions against the requirements of your specific application.