3MM CS X 149.5MM ID BLACK BUNA 70D

This o-ring is supplied in black Buna-N (Nitrile) 70 Shore A measuring an inside diameter of 149.5 mm (5.886 in), a cross section of 3 mm (0.118 in), and an outside diameter of 155.5 mm (6.12 in), catalogued under part number H3X149.5. It seats in a machined groove and forms a leak-tight barrier when compressed between two mating surfaces.

As a material, Buna-N (Nitrile) offers low compression set under sustained load, strong abrasion and tear resistance. It resists petroleum-based oils, many alcohols, and propane and butane. The material carries a published service range of -40°F (-40°C) to 250°F (121.1°C). It is not the right choice where polar solvents or ketones are present.

Common environments for this compound include hydraulic and pneumatic systems, general industrial maintenance, and automotive.

Reference part number H3X149.5 when ordering; the item is sold individually. Review your operating media and conditions against this specification before installation. If you need a size, durometer or compound that is not listed, APG can cross-reference from a print, a sample or a competitor part number.