1.9MM CS X 5.7MM ID BLACK BUNA 90D

H90M1.9X5.7 is a black Buna-N (Nitrile) 90 Shore A O-Ring with an inside diameter of 5.7 mm (0.224 in), a cross section of 1.9 mm (0.075 in), and an outside diameter of 9.5 mm (0.37 in). In service, this o-ring delivers dependable bidirectional sealing in a compact groove envelope.

It resists propane and butane, water, and hydraulic fluids. Buna-N (Nitrile) delivers strong abrasion and tear resistance, reliable performance in both static and dynamic service. Rated temperature range runs from -40°F (-40°C) to 250°F (121.1°C) in continuous service. Verify compatibility before use with polar solvents or automotive brake fluid.

It sees regular use in construction equipment, general industrial maintenance, and fluid power.

Reference part number H90M1.9X5.7 when ordering; the item is sold individually. Confirm chemical compatibility, pressure and temperature against your own application requirements before installing.