Buna 70-042-Black-Pk10

Ordered as SB-H70042-10, this is an AS568-042 black Buna-N (Nitrile) 70 Shore A O-Ring supplied with an inside diameter of 3.239 in (82.27 mm), a cross section of 0.07 in (1.78 mm), and an outside diameter of 3.379 in (85.83 mm). The o-ring remains the most cost-effective sealing element available for pressurized assemblies. This item is further identified as 0.070CSX3.239"IDX3.379"OD.

As a material, Buna-N (Nitrile) delivers reliable performance in both static and dynamic service, an economical choice for high-volume maintenance programs. The material holds up against water, many alcohols, and greases and lubricants. The material carries a published service range of -40°F (-40°C) to 250°F (121.1°C). Verify compatibility before use with polar solvents or automotive brake fluid.

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

Order part number SB-H70042-10, sold by the bag. Review your operating media and conditions against this specification before installation. APG can cross-reference from an existing part number, a drawing or a physical sample if this size is not an exact match.