3MM CS X 18MM ID BLACK BUNA 90D

This o-ring is supplied in black Buna-N (Nitrile) 90 Shore A built to an inside diameter of 18 mm (0.709 in), a cross section of 3 mm (0.118 in), and an outside diameter of 24 mm (0.94 in), catalogued under part number H90M3X18. It compresses into its gland to block fluid or gas migration across a joint.

Expect good resistance to water, hydraulic fluids, and greases and lubricants. Buna-N (Nitrile) is known for the most widely specified general-purpose sealing elastomer and low compression set under sustained load. Service temperature is rated from -40°F (-40°C) through 250°F (121.1°C). Exposure to ketones or ozone and direct sunlight will shorten service life.

You will find this material specified across automotive, general industrial maintenance, and fluid power.

This item is sold individually under part number H90M3X18. Unit weight is approximately 0.63 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.