3MM CS X 179MM ID BLACK BUNA 70D

H3X179 is a black Buna-N (Nitrile) 70 Shore A O-Ring with an inside diameter of 179 mm (7.047 in), a cross section of 3 mm (0.118 in), and an outside diameter of 185 mm (7.28 in). In service, this o-ring seats in a machined groove and forms a leak-tight barrier when compressed between two mating surfaces.

Buna-N (Nitrile) is specified here for strong abrasion and tear resistance, most widely specified general-purpose sealing elastomer. The material holds up against propane and butane, greases and lubricants, and petroleum-based oils. Continuous operating temperature is published at -40°F (-40°C) to 250°F (121.1°C). Verify compatibility before use with ozone and direct sunlight or ketones.

Typical settings include general industrial maintenance, construction equipment, and agricultural equipment.

Order part number H3X179, sold individually. Unit weight is approximately 5.015 g. Check the compound against your process media, pressure and temperature before committing to a design. Not finding the exact configuration you need? APG cross-references from prints, samples and competitor part numbers.