-118 BLACK BUNA 70D O-RING

Part number H70MD118 is an AS568-118 black Buna-N (Nitrile) 70 Shore A O-Ring with an inside diameter of 0.862 in (21.89 mm), a cross section of 0.103 in (2.62 mm), and an outside diameter of 1.068 in (27.13 mm). An o-ring seats in a machined groove and forms a leak-tight barrier when compressed between two mating surfaces.

As a material, Buna-N (Nitrile) delivers an economical choice for high-volume maintenance programs and low compression set under sustained load. It resists hydraulic fluids, greases and lubricants, and propane and butane. The material carries a published service range of -40°F (-40°C) to 250°F (121.1°C). It is not the right choice where automotive brake fluid or ketones are present.

The compound is metal detectable for HACCP and foreign-body control programs. Common environments for this compound include automotive, construction equipment, and fluid power.

Stocked as H70MD118 and sold individually. Nominal inside diameter is listed as 7/8 inch. Review your operating media and conditions against this specification before installation. For a size or compound outside the standard catalog, APG can quote from a print or sample.