-268 BLACK BUNA 70D O-RING

This o-ring is supplied in AS568-268 black Buna-N (Nitrile) 70 Shore A supplied with an inside diameter of 8.484 in (215.49 mm), a cross section of 0.139 in (3.53 mm), and an outside diameter of 8.762 in (222.55 mm), catalogued under part number H70MD268. It compresses into its gland to block fluid or gas migration across a joint.

Buna-N (Nitrile) is widely chosen for low compression set under sustained load, reliable performance in both static and dynamic service. Expect good resistance to many alcohols, petroleum-based oils, and propane and butane. Rated temperature range runs from -40°F (-40°C) to 250°F (121.1°C) in continuous service. Verify compatibility before use with automotive brake fluid or polar solvents.

This item is metal detectable for HACCP and foreign-body control programs. It sees regular use in hydraulic and pneumatic systems, agricultural equipment, and fluid power.

H70MD268 ships individually. Nominal inside diameter is listed as 8 1/2 inch. Check the compound against your process media, pressure and temperature before committing to a design. For a size or compound outside the standard catalog, APG can quote from a print or sample.