3.5MM CS X 57MM ID BLACK BUNA 70D

The H3.5X57 is a black Buna-N (Nitrile) 70 Shore A O-Ring built to an inside diameter of 57 mm (2.244 in), a cross section of 3.5 mm (0.138 in), and an outside diameter of 64 mm (2.52 in). This o-ring provides a reliable static or dynamic seal by deforming into its gland under assembly load.

This material stands up to water, hydraulic fluids, and many alcohols. Buna-N (Nitrile) is valued for reliable performance in both static and dynamic service, strong abrasion and tear resistance. The material carries a published service range of -40°F (-40°C) to 250°F (121.1°C). Verify compatibility before use with polar solvents or ketones.

You will find this material specified across construction equipment, automotive, and general industrial maintenance.

This item is sold individually under part number H3.5X57. Unit weight is approximately 2.292 g. Confirm chemical compatibility, pressure and temperature against your own application requirements before installing. APG supports cross-referencing from drawings, samples and competitor numbers when a listed size is not an exact fit.