-351 BLACK BUNA 50D O-RING

This o-ring is supplied in AS568-351 black Buna-N (Nitrile) 50 Shore A supplied with an inside diameter of 4.725 in (120.02 mm), a cross section of 0.21 in (5.33 mm), and an outside diameter of 5.145 in (130.68 mm), catalogued under part number H50351. It compresses into its gland to block fluid or gas migration across a joint.

Buna-N (Nitrile) offers strong abrasion and tear resistance, the most widely specified general-purpose sealing elastomer. This material stands up to many alcohols, hydraulic fluids, and propane and butane. Service temperature is rated from -40°F (-40°C) through 250°F (121.1°C).

You will find this material specified across automotive, agricultural equipment, and fluid power.

Reference part number H50351 when ordering; the item is sold individually. Nominal inside diameter is listed as 4 3/4 inch. Application requirements vary, so validate compatibility with your process conditions prior to installation.