8.4MM CS X 159.5MM ID BLACK BUNA 90D

This o-ring is supplied in black Buna-N (Nitrile) 90 Shore A measuring an inside diameter of 159.5 mm (6.28 in), a cross section of 8.4 mm (0.331 in), and an outside diameter of 176.3 mm (6.94 in), catalogued under part number H90M8.4X159.5. It seats in a machined groove and forms a leak-tight barrier when compressed between two mating surfaces. Source specification: Metric O-RING, JIS P160.

Buna-N (Nitrile) is specified here for most widely specified general-purpose sealing elastomer, reliable performance in both static and dynamic service. The compound resists water, many alcohols, and propane and butane. Continuous operating temperature is published at -40°F (-40°C) to 250°F (121.1°C). Applications involving ozone and direct sunlight or ketones call for a different compound.

You will find this material specified across general industrial maintenance, construction equipment, and hydraulic and pneumatic systems.

This item is sold individually under part number H90M8.4X159.5. Unit weight is approximately 40.427 g. Application requirements vary, so validate compatibility with your process conditions prior to installation. APG supports cross-referencing from drawings, samples and competitor numbers when a listed size is not an exact fit.