-172 BLACK BUNA 90D O-RING

This o-ring is supplied in AS568-172 black Buna-N (Nitrile) 90 Shore A built to an inside diameter of 8.237 in (209.22 mm), a cross section of 0.103 in (2.62 mm), and an outside diameter of 8.443 in (214.45 mm), catalogued under part number H90172. It seats in a machined groove and forms a leak-tight barrier when compressed between two mating surfaces.

The material holds up against water, greases and lubricants, and many alcohols. Buna-N (Nitrile) offers strong abrasion and tear resistance, an economical choice for high-volume maintenance programs. The material carries a published service range of -40°F (-40°C) to 250°F (121.1°C). Exposure to strong acids or ozone and direct sunlight will shorten service life.

Typical settings include fluid power, agricultural equipment, and automotive.

Reference part number H90172 when ordering; the item is sold individually. Unit weight is approximately 4.8489 g and nominal inside diameter is listed as 8 1/4 inch. As always, verify media compatibility and operating conditions against the requirements of your specific application.