-402 BLACK BUNA 50D O-RING

H50402 is an AS568-402 black Buna-N (Nitrile) 50 Shore A O-Ring built to an inside diameter of 1.6 in (40.64 mm), a cross section of 0.275 in (6.99 mm), and an outside diameter of 2.15 in (54.61 mm). In service, this o-ring creates a positive seal at flange, piston and rod interfaces without added hardware.

This material stands up to many alcohols, greases and lubricants, and water. Buna-N (Nitrile) is widely chosen for reliable performance in both static and dynamic service, strong abrasion and tear resistance. Service temperature is rated from -40°F (-40°C) through 250°F (121.1°C). It is not the right choice where automotive brake fluid or ketones are present.

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

This item is sold individually under part number H50402. Nominal inside diameter is listed as 1 5/8 inch. As always, verify media compatibility and operating conditions against the requirements of your specific application. If you need a size, durometer or compound that is not listed, APG can cross-reference from a print, a sample or a competitor part number.