3MM CS X 89.5MM ID BLACK BUNA 90D

This o-ring is supplied in black Buna-N (Nitrile) 90 Shore A with an inside diameter of 89.5 mm (3.524 in), a cross section of 3 mm (0.118 in), and an outside diameter of 95.5 mm (3.76 in), catalogued under part number H90M3X89.5. It provides a reliable static or dynamic seal by deforming into its gland under assembly load.

Buna-N (Nitrile) is specified here for reliable performance in both static and dynamic service, low compression set under sustained load. The material holds up against hydraulic fluids, water, and propane and butane. The material carries a published service range of -40°F (-40°C) to 250°F (121.1°C). Applications involving ozone and direct sunlight or strong acids call for a different compound.

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

Reference part number H90M3X89.5 when ordering; the item is sold individually. Unit weight is approximately 2.8971 g. Confirm chemical compatibility, pressure and temperature against your own application requirements before installing.