3MM CS X 79MM ID BLACK BUNA 70D

The H3X79 is a black Buna-N (Nitrile) 70 Shore A O-Ring with an inside diameter of 79 mm (3.11 in), a cross section of 3 mm (0.118 in), and an outside diameter of 85 mm (3.35 in). This o-ring remains the most cost-effective sealing element available for pressurized assemblies.

Buna-N (Nitrile) is widely chosen for an economical choice for high-volume maintenance programs, strong abrasion and tear resistance. It resists hydraulic fluids, water, and propane and butane. Service temperature is rated from -40°F (-40°C) through 250°F (121.1°C).

It sees regular use in construction equipment, automotive, and general industrial maintenance.

Reference part number H3X79 when ordering; the item is sold individually. Unit weight is approximately 0.0023 g. Check the compound against your process media, pressure and temperature before committing to a design. For a size or compound outside the standard catalog, APG can quote from a print or sample.