Buna 70-117-Black-Pk25

The SB-H70117-25 is an AS568-117 black Buna-N (Nitrile) 70 Shore A O-Ring supplied with an inside diameter of 0.799 in (20.29 mm), a cross section of 0.103 in (2.62 mm), and an outside diameter of 1.005 in (25.53 mm). This o-ring seats in a machined groove and forms a leak-tight barrier when compressed between two mating surfaces. Source specification: 1IDX.8125"ODX.0938"CS.

It resists water, hydraulic fluids, and petroleum-based oils. Buna-N (Nitrile) offers strong abrasion and tear resistance, the most widely specified general-purpose sealing elastomer. Service temperature is rated from -40°F (-40°C) through 250°F (121.1°C). It should not be specified for service in automotive brake fluid or ozone and direct sunlight.

It sees regular use in fluid power, general industrial maintenance, and hydraulic and pneumatic systems.

This item is sold by the bag under part number SB-H70117-25. Confirm chemical compatibility, pressure and temperature against your own application requirements before installing. APG can cross-reference from an existing part number, a drawing or a physical sample if this size is not an exact match.