-371 BLACK BUNA 50D O-RING

Part number H50371 is an AS568-371 black Buna-N (Nitrile) 50 Shore A O-Ring built to an inside diameter of 8.475 in (215.27 mm), a cross section of 0.21 in (5.33 mm), and an outside diameter of 8.895 in (225.93 mm). An o-ring remains the most cost-effective sealing element available for pressurized assemblies.

As a material, Buna-N (Nitrile) is widely chosen for low compression set under sustained load, strong abrasion and tear resistance. This material stands up to greases and lubricants, water, and hydraulic fluids. Published continuous service range is -40°F (-40°C) to 250°F (121.1°C).

It sees regular use in hydraulic and pneumatic systems, general industrial maintenance, and construction equipment.

This item is sold individually under part number H50371. Review your operating media and conditions against this specification before 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.