Buna 70-449-Black-Pk2

The SB-H70449-2 is an AS568-449 black Buna-N (Nitrile) 70 Shore A O-Ring built to an inside diameter of 9.975 in (253.37 mm), a cross section of 0.275 in (6.99 mm), and an outside diameter of 10.525 in (267.34 mm). This o-ring remains the most cost-effective sealing element available for pressurized assemblies. Additional detail on this item: 0.275CSX9.975"IDX10.525"OD.

Buna-N (Nitrile) is widely chosen for the most widely specified general-purpose sealing elastomer and an economical choice for high-volume maintenance programs. The compound resists many alcohols, petroleum-based oils, and water. Published continuous service range is -40°F (-40°C) to 250°F (121.1°C).

It sees regular use in general industrial maintenance, fluid power, and agricultural equipment.

Reference part number SB-H70449-2 when ordering; the item is sold by the bag. Nominal inside diameter is listed as 10 inch. Review your operating media and conditions against this specification before installation.