Buna 70-123-Black-Pk20

The SB-H70123-20 is an AS568-123 black Buna-N (Nitrile) 70 Shore A O-Ring built to an inside diameter of 1.174 in (29.82 mm), a cross section of 0.103 in (2.62 mm), and an outside diameter of 1.38 in (35.05 mm). This o-ring seats in a machined groove and forms a leak-tight barrier when compressed between two mating surfaces. Additional detail on this item: 1.375IDX1.1875"ODX.0938"CS.

Buna-N (Nitrile) offers an economical choice for high-volume maintenance programs, reliable performance in both static and dynamic service. It resists petroleum-based oils, water, and hydraulic fluids. Published continuous service range is -40°F (-40°C) to 250°F (121.1°C). Verify compatibility before use with automotive brake fluid or strong acids.

Maintenance and OEM teams specify it across fluid power, general industrial maintenance, and automotive.

SB-H70123-20 ships by the bag. Nominal inside diameter is listed as 1 3/16 inch. As always, verify media compatibility and operating conditions against the requirements of your specific application.