-385 BLACK BUNA 50D O-RING

Part number H50385 is an AS568-385 black Buna-N (Nitrile) 50 Shore A O-Ring built to an inside diameter of 15.955 in (405.26 mm), a cross section of 0.21 in (5.33 mm), and an outside diameter of 16.375 in (415.93 mm). An o-ring compresses into its gland to block fluid or gas migration across a joint.

Buna-N (Nitrile) delivers strong abrasion and tear resistance, the most widely specified general-purpose sealing elastomer. It resists hydraulic fluids, propane and butane, and petroleum-based oils. Continuous operating temperature is published at -40°F (-40°C) to 250°F (121.1°C). It should not be specified for service in strong acids or automotive brake fluid.

You will find this material specified across construction equipment, hydraulic and pneumatic systems, and automotive.

Order part number H50385, sold individually. Nominal inside diameter is listed as 16 inch. 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.