5.7MM CS X 79.6MM ID BLACK BUNA 70D

Part number H5.7X79.6 is a black Buna-N (Nitrile) 70 Shore A O-Ring supplied with an inside diameter of 79.6 mm (3.134 in), a cross section of 5.7 mm (0.224 in), and an outside diameter of 91 mm (3.58 in). An o-ring remains the most cost-effective sealing element available for pressurized assemblies. The catalog record notes: Metric O-RING, JIS P80.

This material stands up to propane and butane, many alcohols, and water. Buna-N (Nitrile) is specified for reliable performance in both static and dynamic service, the most widely specified general-purpose sealing elastomer. Continuous operating temperature is published at -40°F (-40°C) to 250°F (121.1°C). Applications involving polar solvents or automotive brake fluid call for a different compound.

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

Order part number H5.7X79.6, sold individually. Unit weight is approximately 8.4142 g. As always, verify media compatibility and operating conditions against the requirements of your specific application. 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.