8.4MM CS X 179.5MM ID BLACK BUNA 70D

H8.4X179.5 is a black Buna-N (Nitrile) 70 Shore A O-Ring with an inside diameter of 179.5 mm (7.067 in), a cross section of 8.4 mm (0.331 in), and an outside diameter of 196.3 mm (7.73 in). In service, this o-ring creates a positive seal at flange, piston and rod interfaces without added hardware. Supplementary detail from the product record: Metric O-RING, JIS P180.

Buna-N (Nitrile) is specified here for strong abrasion and tear resistance, reliable performance in both static and dynamic service. Expect good resistance to petroleum-based oils, water, and many alcohols. Service temperature is rated from -40°F (-40°C) through 250°F (121.1°C).

Maintenance and OEM teams specify it across fluid power, hydraulic and pneumatic systems, and general industrial maintenance.

This item is sold individually under part number H8.4X179.5. Unit weight is approximately 40.213 g. 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.