4MM CS X 32MM ID BLACK BUNA 90D

The H90M4X32 is a black Buna-N (Nitrile) 90 Shore A O-Ring measuring an inside diameter of 32 mm (1.26 in), a cross section of 4 mm (0.157 in), and an outside diameter of 40 mm (1.57 in). This o-ring delivers dependable bidirectional sealing in a compact groove envelope.

The compound resists many alcohols, propane and butane, and water. That behavior comes from the compound itself: Buna-N (Nitrile) is known for the most widely specified general-purpose sealing elastomer and an economical choice for high-volume maintenance programs. Published continuous service range is -40°F (-40°C) to 250°F (121.1°C). Applications involving ozone and direct sunlight or automotive brake fluid call for a different compound.

It sees regular use in general industrial maintenance, agricultural equipment, and hydraulic and pneumatic systems.

This item is sold individually under part number H90M4X32. Unit weight is approximately 1.835 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.