4MM CS X 136MM ID BLACK BUNA 70D

This o-ring is supplied in black Buna-N (Nitrile) 70 Shore A with an inside diameter of 136 mm (5.354 in), a cross section of 4 mm (0.157 in), and an outside diameter of 144 mm (5.67 in), catalogued under part number H4X136. It creates a positive seal at flange, piston and rod interfaces without added hardware.

It resists petroleum-based oils, water, and propane and butane. Buna-N (Nitrile) is specified for the most widely specified general-purpose sealing elastomer and low compression set under sustained load. The material carries a published service range of -40°F (-40°C) to 250°F (121.1°C). Applications involving ozone and direct sunlight or polar solvents call for a different compound.

Common environments for this compound include automotive, construction equipment, and hydraulic and pneumatic systems.

Stocked as H4X136 and sold individually. Unit weight is approximately 6.75 g. Application requirements vary, so validate compatibility with your process conditions prior to installation.