Buna 70-432-Black-Pk5

Ordered as SB-H70432-5, this is an AS568-432 black Buna-N (Nitrile) 70 Shore A O-Ring with an inside diameter of 5.35 in (135.89 mm), a cross section of 0.275 in (6.99 mm), and an outside diameter of 5.9 in (149.86 mm). The o-ring seats in a machined groove and forms a leak-tight barrier when compressed between two mating surfaces. Additional detail on this item: 5.875IDX5.375"ODX.25"CS.

As a material, Buna-N (Nitrile) is specified for an economical choice for high-volume maintenance programs and the most widely specified general-purpose sealing elastomer. The compound resists petroleum-based oils, water, and hydraulic fluids. Published continuous service range is -40°F (-40°C) to 250°F (121.1°C). Applications involving automotive brake fluid or ketones call for a different compound.

Typical settings include construction equipment, general industrial maintenance, and agricultural equipment.

Order part number SB-H70432-5, sold by the bag. Confirm chemical compatibility, pressure and temperature against your own application requirements before installing.