4.5MM CS X 56MM ID BLACK BUNA 70D

This o-ring is supplied in black Buna-N (Nitrile) 70 Shore A supplied with an inside diameter of 56 mm (2.205 in), a cross section of 4.5 mm (0.177 in), and an outside diameter of 65 mm (2.56 in), catalogued under part number H4.5X56. It compresses into its gland to block fluid or gas migration across a joint.

Buna-N (Nitrile) is valued for the most widely specified general-purpose sealing elastomer and low compression set under sustained load. It resists many alcohols, propane and butane, and petroleum-based oils. Published continuous service range is -40°F (-40°C) to 250°F (121.1°C). Applications involving ozone and direct sunlight or strong acids call for a different compound.

Common environments for this compound include automotive, fluid power, and general industrial maintenance.

H4.5X56 ships individually. Application requirements vary, so validate compatibility with your process conditions prior to installation. APG can cross-reference from an existing part number, a drawing or a physical sample if this size is not an exact match.