-348 BLACK BUNA 90D O-RING

This o-ring is supplied in AS568-348 black Buna-N (Nitrile) 90 Shore A built to an inside diameter of 4.35 in (110.49 mm), a cross section of 0.21 in (5.33 mm), and an outside diameter of 4.77 in (121.16 mm), catalogued under part number H90348. It compresses into its gland to block fluid or gas migration across a joint.

Buna-N (Nitrile) is specified for low compression set under sustained load, reliable performance in both static and dynamic service. It resists water, many alcohols, and greases and lubricants. Service temperature is rated from -40°F (-40°C) through 250°F (121.1°C). Exposure to automotive brake fluid or ozone and direct sunlight will shorten service life.

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

H90348 ships individually. Unit weight is approximately 11.662 g and nominal inside diameter is listed as 4 3/8 inch. Application requirements vary, so validate compatibility with your process conditions prior to installation.