3MM CS X 42MM ID BLACK BUNA 90D

Part number H90M3X42 is a black Buna-N (Nitrile) 90 Shore A O-Ring with an inside diameter of 42 mm (1.654 in), a cross section of 3 mm (0.118 in), and an outside diameter of 48 mm (1.89 in). An o-ring seats in a machined groove and forms a leak-tight barrier when compressed between two mating surfaces.

Buna-N (Nitrile) is valued for the most widely specified general-purpose sealing elastomer and an economical choice for high-volume maintenance programs. It resists many alcohols, hydraulic fluids, and greases and lubricants. Service temperature is rated from -40°F (-40°C) through 250°F (121.1°C). Verify compatibility before use with ketones or strong acids.

Common environments for this compound include automotive, agricultural equipment, and construction equipment.

H90M3X42 ships individually. Unit weight is approximately 1.3 g. As always, verify media compatibility and operating conditions against the requirements of your specific application.