-377 BLACK BUNA 50D O-RING

The H50377 is an AS568-377 black Buna-N (Nitrile) 50 Shore A O-Ring measuring 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). This o-ring provides a reliable static or dynamic seal by deforming into its gland under assembly load.

Buna-N (Nitrile) is valued for low compression set under sustained load, reliable performance in both static and dynamic service. This material stands up to greases and lubricants, many alcohols, and petroleum-based oils. The material carries a published service range of -40°F (-40°C) to 250°F (121.1°C). Verify compatibility before use with strong acids or ozone and direct sunlight.

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

Reference part number H50377 when ordering; the item is sold individually. Nominal inside diameter is listed as 10 inch. As always, verify media compatibility and operating conditions against the requirements of your specific application.