-008 BLACK BUNA 50D O-RING

The H50008 is an AS568-008 black Buna-N (Nitrile) 50 Shore A O-Ring with an inside diameter of 0.176 in (4.47 mm), a cross section of 0.07 in (1.78 mm), and an outside diameter of 0.316 in (8.03 mm). This o-ring creates a positive seal at flange, piston and rod interfaces without added hardware.

The material holds up against greases and lubricants, petroleum-based oils, and hydraulic fluids. Buna-N (Nitrile) delivers low compression set under sustained load and the most widely specified general-purpose sealing elastomer. The material carries a published service range of -40°F (-40°C) to 250°F (121.1°C). It should not be specified for service in ozone and direct sunlight or polar solvents.

It sees regular use in automotive, general industrial maintenance, and agricultural equipment.

Reference part number H50008 when ordering; the item is sold individually. Application requirements vary, so validate compatibility with your process conditions prior to installation. If you need a size, durometer or compound that is not listed, APG can cross-reference from a print, a sample or a competitor part number.