-156 BLACK BUNA 50D O-RING

This o-ring is supplied in AS568-156 black Buna-N (Nitrile) 50 Shore A built to 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), catalogued under part number H50156. It seats in a machined groove and forms a leak-tight barrier when compressed between two mating surfaces.

As a material, Buna-N (Nitrile) is known for reliable performance in both static and dynamic service, an economical choice for high-volume maintenance programs. It resists water, petroleum-based oils, and propane and butane. The material carries a published service range of -40°F (-40°C) to 250°F (121.1°C).

Common environments for this compound include general industrial maintenance, fluid power, and hydraulic and pneumatic systems.

H50156 ships individually. Nominal inside diameter is listed as 4 1/4 inch. Check the compound against your process media, pressure and temperature before committing to a design.