5.7MM CS X 164.3MM ID BLACK BUNA 70D

H5.7X164.3 is a black Buna-N (Nitrile) 70 Shore A O-Ring supplied with an inside diameter of 164.3 mm (6.469 in), a cross section of 5.7 mm (0.224 in), and an outside diameter of 175.7 mm (6.92 in). In service, this o-ring seats in a machined groove and forms a leak-tight barrier when compressed between two mating surfaces. This item is further identified as Metric O-RING, JIS G165.

The material holds up against propane and butane, many alcohols, and hydraulic fluids. Buna-N (Nitrile) is valued for reliable performance in both static and dynamic service, the most widely specified general-purpose sealing elastomer. The material carries a published service range of -40°F (-40°C) to 250°F (121.1°C). It should not be specified for service in ketones or polar solvents.

You will find this material specified across agricultural equipment, general industrial maintenance, and automotive.

Reference part number H5.7X164.3 when ordering; the item is sold individually. Unit weight is approximately 16.887 g. 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.