-043 BLACK BUNA 70D O-RING

Ordered as H70MD043, this is an AS568-043 black Buna-N (Nitrile) 70 Shore A O-Ring with an inside diameter of 3.489 in (88.62 mm), a cross section of 0.07 in (1.78 mm), and an outside diameter of 3.629 in (92.18 mm). The o-ring delivers dependable bidirectional sealing in a compact groove envelope.

As a material, Buna-N (Nitrile) is valued for an economical choice for high-volume maintenance programs, reliable performance in both static and dynamic service. It resists propane and butane, petroleum-based oils, and hydraulic fluids. Published continuous service range is -40°F (-40°C) to 250°F (121.1°C). It should not be specified for service in ketones or polar solvents.

The compound is metal detectable for HACCP and foreign-body control programs. Typical settings include automotive, general industrial maintenance, and construction equipment.

Order part number H70MD043, sold individually. Nominal inside diameter is listed as 3 1/2 inch. Check the compound against your process media, pressure and temperature before committing to a design. If you need a size, durometer or compound that is not listed, APG can cross-reference from a print, a sample or a competitor part number.