-128 BLACK BUNA 90D O-RING

Part number H90128 is an AS568-128 black Buna-N (Nitrile) 90 Shore A O-Ring measuring an inside diameter of 1.487 in (37.77 mm), a cross section of 0.103 in (2.62 mm), and an outside diameter of 1.693 in (43 mm). An o-ring delivers dependable bidirectional sealing in a compact groove envelope.

It resists petroleum-based oils, greases and lubricants, and hydraulic fluids. Buna-N (Nitrile) is specified for reliable performance in both static and dynamic service, strong abrasion and tear resistance. Published continuous service range is -40°F (-40°C) to 250°F (121.1°C). Applications involving ozone and direct sunlight or polar solvents call for a different compound.

Typical settings include fluid power, general industrial maintenance, and construction equipment.

Stocked as H90128 and sold individually. Unit weight is approximately 0.9245 g and nominal inside diameter is listed as 1 1/2 inch. Check the compound against your process media, pressure and temperature before committing to a design.