-039 BLACK BUNA 70D O-RING

H70MD039 is an AS568-039 black Buna-N (Nitrile) 70 Shore A O-Ring measuring an inside diameter of 2.739 in (69.57 mm), a cross section of 0.07 in (1.78 mm), and an outside diameter of 2.879 in (73.13 mm). In service, this o-ring delivers dependable bidirectional sealing in a compact groove envelope.

As a material, Buna-N (Nitrile) is valued for the most widely specified general-purpose sealing elastomer and an economical choice for high-volume maintenance programs. It resists petroleum-based oils, greases and lubricants, and water. Continuous operating temperature is published at -40°F (-40°C) to 250°F (121.1°C).

This item is metal detectable for HACCP and foreign-body control programs. It sees regular use in construction equipment, automotive, and fluid power.

H70MD039 ships individually. Nominal inside diameter is listed as 2 3/4 inch. Confirm chemical compatibility, pressure and temperature against your own application requirements before installing. 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.