4MM CS X 107MM ID BLACK BUNA 70D

This o-ring is supplied in black Buna-N (Nitrile) 70 Shore A with an inside diameter of 107 mm (4.213 in), a cross section of 4 mm (0.157 in), and an outside diameter of 115 mm (4.53 in), catalogued under part number H4X107. It seats in a machined groove and forms a leak-tight barrier when compressed between two mating surfaces.

Buna-N (Nitrile) delivers low compression set under sustained load and the most widely specified general-purpose sealing elastomer. It resists propane and butane, many alcohols, and petroleum-based oils. Service temperature is rated from -40°F (-40°C) through 250°F (121.1°C).

You will find this material specified across hydraulic and pneumatic systems, agricultural equipment, and fluid power.

Stocked as H4X107 and sold individually. Unit weight is approximately 5.4338 g. Review your operating media and conditions against this specification before installation. APG supports cross-referencing from drawings, samples and competitor numbers when a listed size is not an exact fit.