4MM CS X 285MM ID BLACK BUNA 70D

Part number H4X285 is a black Buna-N (Nitrile) 70 Shore A O-Ring measuring an inside diameter of 285 mm (11.22 in), a cross section of 4 mm (0.157 in), and an outside diameter of 293 mm (11.54 in). An o-ring provides a reliable static or dynamic seal by deforming into its gland under assembly load.

Buna-N (Nitrile) is valued for reliable performance in both static and dynamic service, strong abrasion and tear resistance. Expect good resistance to propane and butane, many alcohols, and water. Continuous operating temperature is published at -40°F (-40°C) to 250°F (121.1°C). Verify compatibility before use with automotive brake fluid or ozone and direct sunlight.

It sees regular use in construction equipment, automotive, and agricultural equipment.

H4X285 ships individually. Unit weight is approximately 0.014 g. As always, verify media compatibility and operating conditions against the requirements of your specific application.