3MM CS X 122MM ID BLACK BUNA 70D

Part number H3X122 is a black Buna-N (Nitrile) 70 Shore A O-Ring measuring an inside diameter of 122 mm (4.803 in), a cross section of 3 mm (0.118 in), and an outside diameter of 128 mm (5.04 in). An o-ring compresses into its gland to block fluid or gas migration across a joint.

Buna-N (Nitrile) offers reliable performance in both static and dynamic service, low compression set under sustained load. Expect good resistance to many alcohols, water, and hydraulic fluids. Published continuous service range is -40°F (-40°C) to 250°F (121.1°C). Applications involving polar solvents or automotive brake fluid call for a different compound.

It sees regular use in agricultural equipment, construction equipment, and general industrial maintenance.

Order part number H3X122, sold individually. Unit weight is approximately 3.46 g. Application requirements vary, so validate compatibility with your process conditions prior to installation.