1MM CS X 4.5MM ID BLACK BUNA 70D

This o-ring is supplied in black Buna-N (Nitrile) 70 Shore A with an inside diameter of 4.5 mm (0.177 in), a cross section of 1 mm (0.039 in), and an outside diameter of 6.5 mm (0.26 in), catalogued under part number H1X4.5. It compresses into its gland to block fluid or gas migration across a joint.

As a material, Buna-N (Nitrile) is specified for reliable performance in both static and dynamic service, strong abrasion and tear resistance. Expect good resistance to water, many alcohols, and greases and lubricants. Published continuous service range is -40°F (-40°C) to 250°F (121.1°C). Applications involving automotive brake fluid or ozone and direct sunlight call for a different compound.

You will find this material specified across agricultural equipment, hydraulic and pneumatic systems, and automotive.

Stocked as H1X4.5 and sold individually. Unit weight is approximately 0.0171 g. As always, verify media compatibility and operating conditions against the requirements of your specific application.