-220 BLACK BUNA 90D O-RING

H90220 is an AS568-220 black Buna-N (Nitrile) 90 Shore A O-Ring with an inside diameter of 1.359 in (34.52 mm), a cross section of 0.139 in (3.53 mm), and an outside diameter of 1.637 in (41.58 mm). In service, this o-ring seats in a machined groove and forms a leak-tight barrier when compressed between two mating surfaces.

The compound resists greases and lubricants, many alcohols, and propane and butane. Buna-N (Nitrile) offers reliable performance in both static and dynamic service, an economical choice for high-volume maintenance programs. Published continuous service range is -40°F (-40°C) to 250°F (121.1°C). Exposure to ketones or strong acids will shorten service life.

Typical settings include agricultural equipment, fluid power, and hydraulic and pneumatic systems.

This item is sold individually under part number H90220. Unit weight is approximately 0.0016 g and nominal inside diameter is listed as 1 3/8 inch. As always, verify media compatibility and operating conditions against the requirements of your specific application. For a size or compound outside the standard catalog, APG can quote from a print or sample.