5.7MM CS X 114.3MM ID BLACK BUNA 70D

Part number H5.7X114.3 is a black Buna-N (Nitrile) 70 Shore A O-Ring with an inside diameter of 114.3 mm (4.5 in), a cross section of 5.7 mm (0.224 in), and an outside diameter of 125.7 mm (4.95 in). An o-ring seats in a machined groove and forms a leak-tight barrier when compressed between two mating surfaces.

As a material, Buna-N (Nitrile) is valued for an economical choice for high-volume maintenance programs and the most widely specified general-purpose sealing elastomer. This material stands up to water, many alcohols, and greases and lubricants. Service temperature is rated from -40°F (-40°C) through 250°F (121.1°C).

Maintenance and OEM teams specify it across automotive, general industrial maintenance, and agricultural equipment.

H5.7X114.3 ships individually. As always, verify media compatibility and operating conditions against the requirements of your specific application. For a size or compound outside the standard catalog, APG can quote from a print or sample.