2.5MM CS X 81MM ID BLACK BUNA 70D

Part number H2.5X81 is a black Buna-N (Nitrile) 70 Shore A O-Ring supplied with an inside diameter of 81 mm (3.189 in), a cross section of 2.5 mm (0.098 in), and an outside diameter of 86 mm (3.39 in). An o-ring delivers dependable bidirectional sealing in a compact groove envelope.

Buna-N (Nitrile) is specified here for low compression set under sustained load, reliable performance in both static and dynamic service. Expect good resistance to hydraulic fluids, water, and greases and lubricants. Published continuous service range is -40°F (-40°C) to 250°F (121.1°C). Exposure to automotive brake fluid or polar solvents will shorten service life.

It sees regular use in construction equipment, general industrial maintenance, and hydraulic and pneumatic systems.

Stocked as H2.5X81 and sold individually. Unit weight is approximately 1.65 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.