3MM CS X 20.5MM ID BLACK BUNA 70D

H3X20.5 is a black Buna-N (Nitrile) 70 Shore A O-Ring with an inside diameter of 20.5 mm (0.807 in), a cross section of 3 mm (0.118 in), and an outside diameter of 26.5 mm (1.04 in). In service, this o-ring seats in a machined groove and forms a leak-tight barrier when compressed between two mating surfaces.

Buna-N (Nitrile) is valued for reliable performance in both static and dynamic service, low compression set under sustained load. It resists greases and lubricants, many alcohols, and propane and butane. Continuous operating temperature is published at -40°F (-40°C) to 250°F (121.1°C). Verify compatibility before use with ozone and direct sunlight or ketones.

You will find this material specified across hydraulic and pneumatic systems, construction equipment, and fluid power.

Order part number H3X20.5, sold individually. Confirm chemical compatibility, pressure and temperature against your own application requirements before installing.