4MM CS X 137MM ID BLACK BUNA 70D

APG stocks the H4X137, a black Buna-N (Nitrile) 70 Shore A O-Ring with an inside diameter of 137 mm (5.394 in), a cross section of 4 mm (0.157 in), and an outside diameter of 145 mm (5.71 in). An o-ring creates a positive seal at flange, piston and rod interfaces without added hardware.

The material holds up against water, propane and butane, and hydraulic fluids. Buna-N (Nitrile) offers the most widely specified general-purpose sealing elastomer and an economical choice for high-volume maintenance programs. Continuous operating temperature is published at -40°F (-40°C) to 250°F (121.1°C). Applications involving ketones or polar solvents call for a different compound.

Typical settings include automotive, construction equipment, and hydraulic and pneumatic systems.

This item is sold individually under part number H4X137. Unit weight is approximately 6.837 g. Review your operating media and conditions against this specification before installation.