-039 BLACK BUNA 50D O-RING

Part number H50039 is an AS568-039 black Buna-N (Nitrile) 50 Shore A O-Ring built to an inside diameter of 2.739 in (69.57 mm), a cross section of 0.07 in (1.78 mm), and an outside diameter of 2.879 in (73.13 mm). An o-ring creates a positive seal at flange, piston and rod interfaces without added hardware.

It resists many alcohols, greases and lubricants, and hydraulic fluids. Buna-N (Nitrile) offers an economical choice for high-volume maintenance programs, reliable performance in both static and dynamic service. Service temperature is rated from -40°F (-40°C) through 250°F (121.1°C). It should not be specified for service in automotive brake fluid or polar solvents.

Typical settings include hydraulic and pneumatic systems, general industrial maintenance, and automotive.

Order part number H50039, sold individually. Nominal inside diameter is listed as 2 3/4 inch. Application requirements vary, so validate compatibility with your process conditions prior to installation.