4MM CS X 42MM ID BLACK BUNA 70D

Part number H4X42 is a black Buna-N (Nitrile) 70 Shore A O-Ring with an inside diameter of 42 mm (1.654 in), a cross section of 4 mm (0.157 in), and an outside diameter of 50 mm (1.97 in). An o-ring provides a reliable static or dynamic seal by deforming into its gland under assembly load.

Buna-N (Nitrile) is specified here for economical choice for high-volume maintenance programs and most widely specified general-purpose sealing elastomer. This material stands up to many alcohols, propane and butane, and petroleum-based oils. Continuous operating temperature is published at -40°F (-40°C) to 250°F (121.1°C). It should not be specified for service in ketones or strong acids.

Typical settings include hydraulic and pneumatic systems, construction equipment, and automotive.

H4X42 ships individually. Unit weight is approximately 2.2399 g. Check the compound against your process media, pressure and temperature before committing to a design.