5MM CS X 310MM ID BLACK BUNA 70D

Part number H5X310 is a black Buna-N (Nitrile) 70 Shore A O-Ring built to an inside diameter of 310 mm (12.205 in), a cross section of 5 mm (0.197 in), and an outside diameter of 320 mm (12.6 in). An o-ring seats in a machined groove and forms a leak-tight barrier when compressed between two mating surfaces.

Buna-N (Nitrile) is specified here for most widely specified general-purpose sealing elastomer, reliable performance in both static and dynamic service. Expect good resistance to propane and butane, greases and lubricants, and petroleum-based oils. Continuous operating temperature is published at -40°F (-40°C) to 250°F (121.1°C). Verify compatibility before use with polar solvents or strong acids.

It sees regular use in fluid power, general industrial maintenance, and automotive.

This item is sold individually under part number H5X310. Unit weight is approximately 23.401 g. As always, verify media compatibility and operating conditions against the requirements of your specific application.