5.7MM CS X 119.2MM ID BLACK BUNA 70D

The H5.7X119.2 is a black Buna-N (Nitrile) 70 Shore A O-Ring measuring an inside diameter of 119.2 mm (4.693 in), a cross section of 5.7 mm (0.224 in), and an outside diameter of 130.6 mm (5.14 in). This o-ring compresses into its gland to block fluid or gas migration across a joint.

It resists hydraulic fluids, many alcohols, and propane and butane. That behavior comes from the compound itself: Buna-N (Nitrile) delivers strong abrasion and tear resistance, an economical choice for high-volume maintenance programs. Published continuous service range is -40°F (-40°C) to 250°F (121.1°C).

You will find this material specified across hydraulic and pneumatic systems, construction equipment, and automotive.

H5.7X119.2 ships individually. Check the compound against your process media, pressure and temperature before committing to a design.