3MM CS X 42.5MM ID BLACK BUNA 70D

The H3X42.5 is a black Buna-N (Nitrile) 70 Shore A O-Ring with an inside diameter of 42.5 mm (1.673 in), a cross section of 3 mm (0.118 in), and an outside diameter of 48.5 mm (1.91 in). This o-ring seats in a machined groove and forms a leak-tight barrier when compressed between two mating surfaces.

It resists petroleum-based oils, hydraulic fluids, and propane and butane. Buna-N (Nitrile) offers reliable performance in both static and dynamic service, the most widely specified general-purpose sealing elastomer. Service temperature is rated from -40°F (-40°C) through 250°F (121.1°C). Verify compatibility before use with ozone and direct sunlight or strong acids.

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

This item is sold individually under part number H3X42.5. Review your operating media and conditions against this specification before installation. APG supports cross-referencing from drawings, samples and competitor numbers when a listed size is not an exact fit.