4MM CS X 345MM ID BLACK BUNA 70D

This o-ring is supplied in black Buna-N (Nitrile) 70 Shore A supplied with an inside diameter of 345 mm (13.583 in), a cross section of 4 mm (0.157 in), and an outside diameter of 353 mm (13.9 in), catalogued under part number H4X345. It seats in a machined groove and forms a leak-tight barrier when compressed between two mating surfaces.

Buna-N (Nitrile) is specified here for low compression set under sustained load and most widely specified general-purpose sealing elastomer. The material holds up against water, greases and lubricants, and hydraulic fluids. Rated temperature range runs from -40°F (-40°C) to 250°F (121.1°C) in continuous service. Applications involving polar solvents or ozone and direct sunlight call for a different compound.

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

Stocked as H4X345 and sold individually. Unit weight is approximately 16.911 g. 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.