4MM CS X 56MM ID BLACK BUNA 90D

H90M4X56 is a black Buna-N (Nitrile) 90 Shore A O-Ring built to an inside diameter of 56 mm (2.205 in), a cross section of 4 mm (0.157 in), and an outside diameter of 64 mm (2.52 in). In service, this o-ring provides a reliable static or dynamic seal by deforming into its gland under assembly load.

Buna-N (Nitrile) delivers an economical choice for high-volume maintenance programs, reliable performance in both static and dynamic service. It resists hydraulic fluids, petroleum-based oils, and many alcohols. Published continuous service range is -40°F (-40°C) to 250°F (121.1°C). It should not be specified for service in automotive brake fluid or ozone and direct sunlight.

It sees regular use in hydraulic and pneumatic systems, automotive, and fluid power.

Order part number H90M4X56, sold individually. Unit weight is approximately 3.4085 g. Check the compound against your process media, pressure and temperature before committing to a design. Not finding the exact configuration you need? APG cross-references from prints, samples and competitor part numbers.