-205 BLACK BUNA 70D O-RING

The H70205 is an AS568-205 black Buna-N (Nitrile) 70 Shore A O-Ring with an inside diameter of 0.421 in (10.69 mm), a cross section of 0.139 in (3.53 mm), and an outside diameter of 0.699 in (17.75 mm). This o-ring provides a reliable static or dynamic seal by deforming into its gland under assembly load.

As a material, Buna-N (Nitrile) is widely chosen for low compression set under sustained load and the most widely specified general-purpose sealing elastomer. This material stands up to greases and lubricants, many alcohols, and propane and butane. Service temperature is rated from -40°F (-40°C) through 250°F (121.1°C). Verify compatibility before use with ozone and direct sunlight or ketones.

It sees regular use in agricultural equipment, fluid power, and hydraulic and pneumatic systems.

This item is sold individually under part number H70205. Unit weight is approximately 0.548 g. Application requirements vary, so validate compatibility with your process conditions prior to installation.