-259 BLACK BUNA 70D O-RING

The H70259 is an AS568-259 black Buna-N (Nitrile) 70 Shore A O-Ring built to an inside diameter of 6.234 in (158.34 mm), a cross section of 0.139 in (3.53 mm), and an outside diameter of 6.512 in (165.4 mm). This o-ring remains the most cost-effective sealing element available for pressurized assemblies.

Buna-N (Nitrile) delivers the most widely specified general-purpose sealing elastomer and an economical choice for high-volume maintenance programs. The compound resists many alcohols, hydraulic fluids, and petroleum-based oils. The material carries a published service range of -40°F (-40°C) to 250°F (121.1°C).

Common environments for this compound include fluid power, construction equipment, and agricultural equipment.

Reference part number H70259 when ordering; the item is sold individually. Unit weight is approximately 6.0782 g. Confirm chemical compatibility, pressure and temperature against your own application requirements before installing. Not finding the exact configuration you need? APG cross-references from prints, samples and competitor part numbers.