4MM CS X 275MM ID BLACK BUNA 70D

H4X275 is a black Buna-N (Nitrile) 70 Shore A O-Ring supplied with an inside diameter of 275 mm (10.827 in), a cross section of 4 mm (0.157 in), and an outside diameter of 283 mm (11.14 in). In service, this o-ring provides a reliable static or dynamic seal by deforming into its gland under assembly load.

It resists petroleum-based oils, water, and hydraulic fluids. Buna-N (Nitrile) offers an economical choice for high-volume maintenance programs, reliable performance in both static and dynamic service. Published continuous service range is -40°F (-40°C) to 250°F (121.1°C). Verify compatibility before use with strong acids or automotive brake fluid.

You will find this material specified across construction equipment, agricultural equipment, and automotive.

H4X275 ships individually. Unit weight is approximately 13.234 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.