4MM CS X 300MM ID BLACK BUNA 70D

This o-ring is supplied in black Buna-N (Nitrile) 70 Shore A with an inside diameter of 300 mm (11.811 in), a cross section of 4 mm (0.157 in), and an outside diameter of 308 mm (12.13 in), catalogued under part number H4X300. 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 reliable performance in both static and dynamic service, an economical choice for high-volume maintenance programs. Expect good resistance to petroleum-based oils, many alcohols, and greases and lubricants. Rated temperature range runs from -40°F (-40°C) to 250°F (121.1°C) in continuous service. Verify compatibility before use with strong acids or polar solvents.

Common environments for this compound include agricultural equipment, automotive, and construction equipment.

Stocked as H4X300 and sold individually. Unit weight is approximately 14.752 g. Review your operating media and conditions against this specification before installation.