-393 BLACK BUNA 50D O-RING

H50393 is an AS568-393 black Buna-N (Nitrile) 50 Shore A O-Ring with an inside diameter of 23.94 in (608.08 mm), a cross section of 0.21 in (5.33 mm), and an outside diameter of 24.36 in (618.74 mm). In service, this o-ring compresses into its gland to block fluid or gas migration across a joint.

It resists propane and butane, many alcohols, and greases and lubricants. Buna-N (Nitrile) is known for an economical choice for high-volume maintenance programs, reliable performance in both static and dynamic service. Published continuous service range is -40°F (-40°C) to 250°F (121.1°C). Exposure to strong acids or polar solvents will shorten service life.

You will find this material specified across automotive, hydraulic and pneumatic systems, and agricultural equipment.

H50393 ships individually. Nominal inside diameter is listed as 24 inch. Check the compound against your process media, pressure and temperature before committing to a design.