-284 BLACK BUNA 50D O-RING

Part number H50284 is an AS568-284 black Buna-N (Nitrile) 50 Shore A O-Ring built to an inside diameter of 17.955 in (456.06 mm), a cross section of 0.139 in (3.53 mm), and an outside diameter of 18.233 in (463.12 mm). An o-ring provides a reliable static or dynamic seal by deforming into its gland under assembly load.

Buna-N (Nitrile) is specified here for most widely specified general-purpose sealing elastomer, strong abrasion and tear resistance. This material stands up to propane and butane, petroleum-based oils, and water. Published continuous service range is -40°F (-40°C) to 250°F (121.1°C). Applications involving ketones or polar solvents call for a different compound.

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

This item is sold individually under part number H50284. Nominal inside diameter is listed as 18 inch. As always, verify media compatibility and operating conditions against the requirements of your specific application.