Buna 70-260-Black-Pk10

APG stocks the SB-H70260-10, an AS568-260 black Buna-N (Nitrile) 70 Shore A O-Ring measuring an inside diameter of 6.484 in (164.69 mm), a cross section of 0.139 in (3.53 mm), and an outside diameter of 6.762 in (171.75 mm). An o-ring remains the most cost-effective sealing element available for pressurized assemblies. Additional detail on this item: 6.75IDX6.5"ODX.125"CS.

Buna-N (Nitrile) is specified here for low compression set under sustained load, strong abrasion and tear resistance. This material stands up to greases and lubricants, petroleum-based oils, and water. Service temperature is rated from -40°F (-40°C) through 250°F (121.1°C). Applications involving ozone and direct sunlight or ketones call for a different compound.

You will find this material specified across automotive, construction equipment, and hydraulic and pneumatic systems.

SB-H70260-10 ships by the bag. Nominal inside diameter is listed as 6 1/2 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.