4MM CS X 206MM ID BLACK BUNA 70D

APG stocks the H4X206, a black Buna-N (Nitrile) 70 Shore A O-Ring supplied with an inside diameter of 206 mm (8.11 in), a cross section of 4 mm (0.157 in), and an outside diameter of 214 mm (8.43 in). An o-ring provides a reliable static or dynamic seal by deforming into its gland under assembly load.

Buna-N (Nitrile) is specified here for economical choice for high-volume maintenance programs and low compression set under sustained load. The material holds up against many alcohols, greases and lubricants, and hydraulic fluids. Service temperature is rated from -40°F (-40°C) through 250°F (121.1°C). It should not be specified for service in strong acids or ozone and direct sunlight.

You will find this material specified across hydraulic and pneumatic systems, agricultural equipment, and construction equipment.

This item is sold individually under part number H4X206. Unit weight is approximately 10.125 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.