-928 BLACK BUNA 90D O-RING

The H90928 is an AS568-928 black Buna-N (Nitrile) 90 Shore A O-Ring with an inside diameter of 2.09 in (53.09 mm), a cross section of 0.118 in (3 mm), and an outside diameter of 2.326 in (59.08 mm). This o-ring seats in a machined groove and forms a leak-tight barrier when compressed between two mating surfaces.

Expect good resistance to greases and lubricants, water, and hydraulic fluids. Buna-N (Nitrile) offers reliable performance in both static and dynamic service, strong abrasion and tear resistance. Service temperature is rated from -40°F (-40°C) through 250°F (121.1°C). Applications involving ozone and direct sunlight or strong acids call for a different compound.

You will find this material specified across automotive, general industrial maintenance, and construction equipment.

This item is sold individually under part number H90928. Unit weight is approximately 1.7351 g. Review your operating media and conditions against this specification before installation. For a size or compound outside the standard catalog, APG can quote from a print or sample.