3MM CS X 20.2MM ID BLACK BUNA 90D

The H90M3X20.2 is a black Buna-N (Nitrile) 90 Shore A O-Ring with an inside diameter of 20.2 mm (0.795 in), a cross section of 3 mm (0.118 in), and an outside diameter of 26.2 mm (1.03 in). This o-ring remains the most cost-effective sealing element available for pressurized assemblies.

Buna-N (Nitrile) is specified here for reliable performance in both static and dynamic service, economical choice for high-volume maintenance programs. It resists water, propane and butane, and many alcohols. Continuous operating temperature is published at -40°F (-40°C) to 250°F (121.1°C). It should not be specified for service in strong acids or automotive brake fluid.

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

H90M3X20.2 ships individually. Confirm chemical compatibility, pressure and temperature against your own application requirements before installing. 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.