2MM CS X 20.5MM ID BLACK BUNA 70D

H2X20.5 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 2 mm (0.079 in), and an outside diameter of 24.5 mm (0.96 in). In service, this o-ring provides a reliable static or dynamic seal by deforming into its gland under assembly load.

Buna-N (Nitrile) is specified for low compression set under sustained load and an economical choice for high-volume maintenance programs. It resists petroleum-based oils, greases and lubricants, and water. Service temperature is rated from -40°F (-40°C) through 250°F (121.1°C).

Maintenance and OEM teams specify it across general industrial maintenance, agricultural equipment, and automotive.

H2X20.5 ships individually. Unit weight is approximately 0.2739 g. Confirm chemical compatibility, pressure and temperature against your own application requirements before installing. Not finding the exact configuration you need? APG cross-references from prints, samples and competitor part numbers.