-445 BLACK BUNA 50D O-RING

This o-ring is supplied in AS568-445 black Buna-N (Nitrile) 50 Shore A supplied with an inside diameter of 7.975 in (202.57 mm), a cross section of 0.275 in (6.99 mm), and an outside diameter of 8.525 in (216.54 mm), catalogued under part number H50445. It compresses into its gland to block fluid or gas migration across a joint.

As a material, Buna-N (Nitrile) is specified for the most widely specified general-purpose sealing elastomer, reliable performance in both static and dynamic service. This material stands up to petroleum-based oils, greases and lubricants, and water. Published continuous service range is -40°F (-40°C) to 250°F (121.1°C).

Maintenance and OEM teams specify it across general industrial maintenance, construction equipment, and fluid power.

Reference part number H50445 when ordering; the item is sold individually. Application requirements vary, so validate compatibility with your process conditions prior to installation.