3MM CS X 239.5MM ID BLACK BUNA 70D

This o-ring is supplied in black Buna-N (Nitrile) 70 Shore A with an inside diameter of 239.5 mm (9.429 in), a cross section of 3 mm (0.118 in), and an outside diameter of 245.5 mm (9.67 in), catalogued under part number H3X239.5. It seats in a machined groove and forms a leak-tight barrier when compressed between two mating surfaces.

Buna-N (Nitrile) is specified here for most widely specified general-purpose sealing elastomer and economical choice for high-volume maintenance programs. The material holds up against propane and butane, petroleum-based oils, and many alcohols. Rated temperature range runs from -40°F (-40°C) to 250°F (121.1°C) in continuous service. It should not be specified for service in ketones or ozone and direct sunlight.

It sees regular use in general industrial maintenance, construction equipment, and hydraulic and pneumatic systems.

H3X239.5 ships individually. Confirm chemical compatibility, pressure and temperature against your own application requirements before installing. For a size or compound outside the standard catalog, APG can quote from a print or sample.