4MM CS X 27MM ID BLACK BUNA 70D

This o-ring is supplied in black Buna-N (Nitrile) 70 Shore A built to an inside diameter of 27 mm (1.063 in), a cross section of 4 mm (0.157 in), and an outside diameter of 35 mm (1.38 in), catalogued under part number H4X27. 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 an economical choice for high-volume maintenance programs and low compression set under sustained load. The material holds up against hydraulic fluids, petroleum-based oils, and propane and butane. The material carries a published service range of -40°F (-40°C) to 250°F (121.1°C).

Typical settings include general industrial maintenance, hydraulic and pneumatic systems, and fluid power.

Reference part number H4X27 when ordering; the item is sold individually. Unit weight is approximately 1.4981 g. Check the compound against your process media, pressure and temperature before committing to a design. APG supports cross-referencing from drawings, samples and competitor numbers when a listed size is not an exact fit.