-405 BLACK BUNA 70D O-RING

This o-ring is supplied in AS568-405 black Buna-N (Nitrile) 70 Shore A with an inside diameter of 1.975 in (50.17 mm), a cross section of 0.275 in (6.99 mm), and an outside diameter of 2.525 in (64.14 mm), catalogued under part number H70405. It provides a reliable static or dynamic seal by deforming into its gland under assembly load.

As a material, Buna-N (Nitrile) offers reliable performance in both static and dynamic service, the most widely specified general-purpose sealing elastomer. The material holds up against hydraulic fluids, greases and lubricants, and many alcohols. The material carries a published service range of -40°F (-40°C) to 250°F (121.1°C). Applications involving automotive brake fluid or ketones call for a different compound.

It sees regular use in general industrial maintenance, hydraulic and pneumatic systems, and fluid power.

H70405 ships individually. Unit weight is approximately 8.385 g and nominal inside diameter is listed as 2 inch. Application requirements vary, so validate compatibility with your process conditions prior to installation.