7MM CS X 186MM ID BLACK BUNA 90D

This o-ring is supplied in black Buna-N (Nitrile) 90 Shore A with an inside diameter of 186 mm (7.323 in), a cross section of 7 mm (0.276 in), and an outside diameter of 200 mm (7.87 in), catalogued under part number H90M7X186. It seats in a machined groove and forms a leak-tight barrier when compressed between two mating surfaces.

Buna-N (Nitrile) is valued for the most widely specified general-purpose sealing elastomer and low compression set under sustained load. It resists petroleum-based oils, greases and lubricants, and water. Rated temperature range runs from -40°F (-40°C) to 250°F (121.1°C) in continuous service. It should not be specified for service in polar solvents or automotive brake fluid.

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

Stocked as H90M7X186 and sold individually. Unit weight is approximately 30.3664 g. Check the compound against your process media, pressure and temperature before committing to a design. 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.