1.9MM CS X 4.8MM ID BLACK BUNA 90D

This o-ring is supplied in black Buna-N (Nitrile) 90 Shore A measuring an inside diameter of 4.8 mm (0.189 in), a cross section of 1.9 mm (0.075 in), and an outside diameter of 8.6 mm (0.34 in), catalogued under part number H90M1.9X4.8. It compresses into its gland to block fluid or gas migration across a joint. Additional detail on this item: Metric O-RING, JIS P5.

As a material, Buna-N (Nitrile) is valued for low compression set under sustained load and an economical choice for high-volume maintenance programs. The material holds up against petroleum-based oils, propane and butane, and greases and lubricants. The material carries a published service range of -40°F (-40°C) to 250°F (121.1°C). It is not the right choice where polar solvents or ozone and direct sunlight are present.

Common environments for this compound include construction equipment, automotive, and hydraulic and pneumatic systems.

H90M1.9X4.8 ships individually. As always, verify media compatibility and operating conditions against the requirements of your specific application.