5.3MM CS X 50MM ID BLACK BUNA 70D

This o-ring is supplied in black Buna-N (Nitrile) 70 Shore A measuring an inside diameter of 50 mm (1.969 in), a cross section of 5.3 mm (0.209 in), and an outside diameter of 60.6 mm (2.39 in), catalogued under part number H5.3X50. It creates a positive seal at flange, piston and rod interfaces without added hardware.

Buna-N (Nitrile) is specified here for strong abrasion and tear resistance, reliable performance in both static and dynamic service. The material holds up against propane and butane, petroleum-based oils, and water. Published continuous service range is -40°F (-40°C) to 250°F (121.1°C). It should not be specified for service in strong acids or ozone and direct sunlight.

You will find this material specified across construction equipment, general industrial maintenance, and fluid power.

Order part number H5.3X50, sold individually. Unit weight is approximately 4.681 g. Confirm chemical compatibility, pressure and temperature against your own application requirements before installing. 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.