3.5MM CS X 74MM ID BLACK BUNA 70D

H3.5X74 is a black Buna-N (Nitrile) 70 Shore A O-Ring measuring an inside diameter of 74 mm (2.913 in), a cross section of 3.5 mm (0.138 in), and an outside diameter of 81 mm (3.19 in). In service, this o-ring seats in a machined groove and forms a leak-tight barrier when compressed between two mating surfaces.

The compound resists water, petroleum-based oils, and propane and butane. Buna-N (Nitrile) offers an economical choice for high-volume maintenance programs, reliable performance in both static and dynamic service. Continuous operating temperature is published at -40°F (-40°C) to 250°F (121.1°C).

Common environments for this compound include fluid power, hydraulic and pneumatic systems, and automotive.

This item is sold individually under part number H3.5X74. Unit weight is approximately 3.08 g. Review your operating media and conditions against this specification before installation. If you need a size, durometer or compound that is not listed, APG can cross-reference from a print, a sample or a competitor part number.