-254 BLACK BUNA 70D O-RING

H70MD254 is an AS568-254 black Buna-N (Nitrile) 70 Shore A O-Ring measuring an inside diameter of 5.484 in (139.29 mm), a cross section of 0.139 in (3.53 mm), and an outside diameter of 5.762 in (146.35 mm). In service, this o-ring provides a reliable static or dynamic seal by deforming into its gland under assembly load.

Buna-N (Nitrile) delivers an economical choice for high-volume maintenance programs and low compression set under sustained load. This material stands up to water, greases and lubricants, and propane and butane. Service temperature is rated from -40°F (-40°C) through 250°F (121.1°C). It is not the right choice where polar solvents or strong acids are present.

The compound is metal detectable for HACCP and foreign-body control programs. It sees regular use in construction equipment, hydraulic and pneumatic systems, and agricultural equipment.

This item is sold individually under part number H70MD254. Nominal inside diameter is listed as 5 1/2 inch. Confirm chemical compatibility, pressure and temperature against your own application requirements before installing. Not finding the exact configuration you need? APG cross-references from prints, samples and competitor part numbers.