2.5MM CS X 123MM ID BLACK BUNA 70D

This o-ring is supplied in black Buna-N (Nitrile) 70 Shore A built to an inside diameter of 123 mm (4.843 in), a cross section of 2.5 mm (0.098 in), and an outside diameter of 128 mm (5.04 in), catalogued under part number H2.5X123. It creates a positive seal at flange, piston and rod interfaces without added hardware.

This material stands up to propane and butane, water, and many alcohols. 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. Service temperature is rated from -40°F (-40°C) through 250°F (121.1°C).

You will find this material specified across general industrial maintenance, agricultural equipment, and hydraulic and pneumatic systems.

Stocked as H2.5X123 and sold individually. Unit weight is approximately 2.48 g. As always, verify media compatibility and operating conditions against the requirements of your specific application.