5MM CS X 138MM ID BLACK BUNA 70D

Ordered as H5X138, this is a black Buna-N (Nitrile) 70 Shore A O-Ring built to an inside diameter of 138 mm (5.433 in), a cross section of 5 mm (0.197 in), and an outside diameter of 148 mm (5.83 in). The o-ring seats in a machined groove and forms a leak-tight barrier when compressed between two mating surfaces.

Buna-N (Nitrile) is specified here for economical choice for high-volume maintenance programs and most widely specified general-purpose sealing elastomer. The material holds up against many alcohols, greases and lubricants, and propane and butane. Published continuous service range is -40°F (-40°C) to 250°F (121.1°C).

It sees regular use in construction equipment, fluid power, and agricultural equipment.

This item is sold individually under part number H5X138. Unit weight is approximately 11.3 g. As always, verify media compatibility and operating conditions against the requirements of your specific application. Not finding the exact configuration you need? APG cross-references from prints, samples and competitor part numbers.