3MM CS X 72MM ID BLACK BUNA 90D

H90M3X72 is a black Buna-N (Nitrile) 90 Shore A O-Ring built to an inside diameter of 72 mm (2.835 in), a cross section of 3 mm (0.118 in), and an outside diameter of 78 mm (3.07 in). In service, this o-ring delivers dependable bidirectional sealing in a compact groove envelope.

Expect good resistance to many alcohols, hydraulic fluids, and greases and lubricants. That behavior comes from the compound itself: Buna-N (Nitrile) is valued for an economical choice for high-volume maintenance programs and the most widely specified general-purpose sealing elastomer. Published continuous service range is -40°F (-40°C) to 250°F (121.1°C). Verify compatibility before use with ketones or polar solvents.

Common environments for this compound include automotive, fluid power, and hydraulic and pneumatic systems.

Reference part number H90M3X72 when ordering; the item is sold individually. Unit weight is approximately 2.16 g. Review your operating media and conditions against this specification before installation.