5.3MM CS X 136MM ID BLACK BUNA 70D

H5.3X136 is a black Buna-N (Nitrile) 70 Shore A O-Ring built to an inside diameter of 136 mm (5.354 in), a cross section of 5.3 mm (0.209 in), and an outside diameter of 146.6 mm (5.77 in). In service, this o-ring creates a positive seal at flange, piston and rod interfaces without added hardware.

This material stands up to propane and butane, petroleum-based oils, and greases and lubricants. That behavior comes from the compound itself: Buna-N (Nitrile) offers the most widely specified general-purpose sealing elastomer and an economical choice for high-volume maintenance programs. The material carries a published service range of -40°F (-40°C) to 250°F (121.1°C). It is not the right choice where polar solvents or ozone and direct sunlight are present.

Common environments for this compound include hydraulic and pneumatic systems, automotive, and general industrial maintenance.

Stocked as H5.3X136 and sold individually. Unit weight is approximately 12.108 g. Confirm chemical compatibility, pressure and temperature against your own application requirements before installing.