7MM CS X 272MM ID BLACK BUNA 70D

The H7X272 is a black Buna-N (Nitrile) 70 Shore A O-Ring built to an inside diameter of 272 mm (10.709 in), a cross section of 7 mm (0.276 in), and an outside diameter of 286 mm (11.26 in). This o-ring provides a reliable static or dynamic seal by deforming into its gland under assembly load.

Expect good resistance to many alcohols, petroleum-based oils, and propane and butane. That behavior comes from the compound itself: Buna-N (Nitrile) is known for an economical choice for high-volume maintenance programs, reliable performance in both static and dynamic service. The material carries a published service range of -40°F (-40°C) to 250°F (121.1°C).

It sees regular use in construction equipment, fluid power, and hydraulic and pneumatic systems.

Stocked as H7X272 and sold individually. Unit weight is approximately 40.557 g. 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.