-377 BLACK BUNA 70D O-RING

Ordered as H70377, this is an AS568-377 black Buna-N (Nitrile) 70 Shore A O-Ring built to an inside diameter of 9.975 in (253.37 mm), a cross section of 0.21 in (5.33 mm), and an outside diameter of 10.395 in (264.03 mm). The o-ring seats in a machined groove and forms a leak-tight barrier when compressed between two mating surfaces.

As a material, Buna-N (Nitrile) is widely chosen for reliable performance in both static and dynamic service, low compression set under sustained load. The compound resists many alcohols, water, and propane and butane. Published continuous service range is -40°F (-40°C) to 250°F (121.1°C). It should not be specified for service in ozone and direct sunlight or automotive brake fluid.

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

This item is sold individually under part number H70377. Unit weight is approximately 21.97 g. Confirm chemical compatibility, pressure and temperature against your own application requirements before installing.