1.9MM CS X 5.8MM ID BLACK BUNA 90D

Ordered as H90M1.9X5.8, this is a black Buna-N (Nitrile) 90 Shore A O-Ring measuring an inside diameter of 5.8 mm (0.228 in), a cross section of 1.9 mm (0.075 in), and an outside diameter of 9.6 mm (0.38 in). The o-ring compresses into its gland to block fluid or gas migration across a joint. This item is further identified as Metric O-RING, JIS P6.

As a material, Buna-N (Nitrile) is known for the most widely specified general-purpose sealing elastomer and low compression set under sustained load. Expect good resistance to propane and butane, many alcohols, and water. Published continuous service range is -40°F (-40°C) to 250°F (121.1°C). Verify compatibility before use with automotive brake fluid or polar solvents.

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

H90M1.9X5.8 ships individually. Unit weight is approximately 0.0975 g. Confirm chemical compatibility, pressure and temperature against your own application requirements before installing. APG supports cross-referencing from drawings, samples and competitor numbers when a listed size is not an exact fit.