4MM CS X 242MM ID BLACK BUNA 70D

Ordered as H4X242, this is a black Buna-N (Nitrile) 70 Shore A O-Ring built to an inside diameter of 242 mm (9.528 in), a cross section of 4 mm (0.157 in), and an outside diameter of 250 mm (9.84 in). The o-ring provides a reliable static or dynamic seal by deforming into its gland under assembly load.

As a material, Buna-N (Nitrile) delivers an economical choice for high-volume maintenance programs and low compression set under sustained load. Expect good resistance to hydraulic fluids, propane and butane, and greases and lubricants. The material carries a published service range of -40°F (-40°C) to 250°F (121.1°C).

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

Order part number H4X242, sold individually. Unit weight is approximately 11.86 g. Check the compound against your process media, pressure and temperature before committing to a design.