Buna 70-165-Black-Pk25

APG stocks the SB-H70165-25, an AS568-165 black Buna-N (Nitrile) 70 Shore A O-Ring built to an inside diameter of 6.487 in (164.77 mm), a cross section of 0.103 in (2.62 mm), and an outside diameter of 6.693 in (170 mm). An o-ring seats in a machined groove and forms a leak-tight barrier when compressed between two mating surfaces. Source specification: 6.6875IDX6.5"ODX.0938"CS.

Buna-N (Nitrile) is specified here for low compression set under sustained load and economical choice for high-volume maintenance programs. The compound resists greases and lubricants, many alcohols, and propane and butane. Service temperature is rated from -40°F (-40°C) through 250°F (121.1°C).

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

SB-H70165-25 ships by the bag. Check the compound against your process media, pressure and temperature before committing to a design.