Buna 70-027-Black-Pk100

The SB-H70027-100 is an AS568-027 black Buna-N (Nitrile) 70 Shore A O-Ring measuring an inside diameter of 1.301 in (33.05 mm), a cross section of 0.07 in (1.78 mm), and an outside diameter of 1.441 in (36.6 mm). This o-ring remains the most cost-effective sealing element available for pressurized assemblies. Additional detail on this item: 1.4375IDX1.3125"ODX.0625"CS.

Buna-N (Nitrile) is specified here for most widely specified general-purpose sealing elastomer, strong abrasion and tear resistance. Expect good resistance to water, propane and butane, and greases and lubricants. The material carries a published service range of -40°F (-40°C) to 250°F (121.1°C). Applications involving strong acids or ketones call for a different compound.

It sees regular use in agricultural equipment, fluid power, and general industrial maintenance.

Stocked as SB-H70027-100 and sold by the bag. Nominal inside diameter is listed as 1 5/16 inch. Check the compound against your process media, pressure and temperature before committing to a design. APG supports cross-referencing from drawings, samples and competitor numbers when a listed size is not an exact fit.