5.7MM CS X 84.3MM ID BLACK BUNA 70D

Part number H5.7X84.3 is a black Buna-N (Nitrile) 70 Shore A O-Ring supplied with an inside diameter of 84.3 mm (3.319 in), a cross section of 5.7 mm (0.224 in), and an outside diameter of 95.7 mm (3.77 in). An o-ring provides a reliable static or dynamic seal by deforming into its gland under assembly load.

This material stands up to petroleum-based oils, hydraulic fluids, and greases and lubricants. Buna-N (Nitrile) is specified for low compression set under sustained load, strong abrasion and tear resistance. Published continuous service range is -40°F (-40°C) to 250°F (121.1°C).

It sees regular use in agricultural equipment, construction equipment, and general industrial maintenance.

Stocked as H5.7X84.3 and sold individually. Unit weight is approximately 8.8457 g. As always, verify media compatibility and operating conditions against the requirements of your specific application. APG supports cross-referencing from drawings, samples and competitor numbers when a listed size is not an exact fit.