Buna 70-125-Black-Pk15

The SB-H70125-15 is an AS568-125 black Buna-N (Nitrile) 70 Shore A O-Ring with an inside diameter of 1.299 in (32.99 mm), a cross section of 0.103 in (2.62 mm), and an outside diameter of 1.505 in (38.23 mm). This o-ring remains the most cost-effective sealing element available for pressurized assemblies. The catalog record notes: 1.5IDX1.3125"ODX.0938"CS.

Buna-N (Nitrile) is specified here for economical choice for high-volume maintenance programs and most widely specified general-purpose sealing elastomer. The compound resists hydraulic fluids, many alcohols, and greases and lubricants. Service temperature is rated from -40°F (-40°C) through 250°F (121.1°C). Verify compatibility before use with strong acids or polar solvents.

Maintenance and OEM teams specify it across automotive, construction equipment, and hydraulic and pneumatic systems.

This item is sold by the bag under part number SB-H70125-15. Nominal inside diameter is listed as 1 5/16 inch. Confirm chemical compatibility, pressure and temperature against your own application requirements before installing.