3MM CS X 80MM ID BLACK BUNA 90D

APG stocks the H90M3X80, a black Buna-N (Nitrile) 90 Shore A O-Ring with an inside diameter of 80 mm (3.15 in), a cross section of 3 mm (0.118 in), and an outside diameter of 86 mm (3.39 in). An o-ring seats in a machined groove and forms a leak-tight barrier when compressed between two mating surfaces.

This material stands up to water, hydraulic fluids, and petroleum-based oils. Buna-N (Nitrile) offers an economical choice for high-volume maintenance programs and the most widely specified general-purpose sealing elastomer. Continuous operating temperature is published at -40°F (-40°C) to 250°F (121.1°C). Verify compatibility before use with ozone and direct sunlight or automotive brake fluid.

It sees regular use in agricultural equipment, fluid power, and construction equipment.

Reference part number H90M3X80 when ordering; the item is sold individually. Unit weight is approximately 2.38 g. Application requirements vary, so validate compatibility with your process conditions prior to installation. For a size or compound outside the standard catalog, APG can quote from a print or sample.