4.5MM CS X 20MM ID BLACK BUNA 70D

This o-ring is supplied in black Buna-N (Nitrile) 70 Shore A with an inside diameter of 20 mm (0.787 in), a cross section of 4.5 mm (0.177 in), and an outside diameter of 29 mm (1.14 in), catalogued under part number H4.5X20. It delivers dependable bidirectional sealing in a compact groove envelope.

As a material, Buna-N (Nitrile) is widely chosen for an economical choice for high-volume maintenance programs and low compression set under sustained load. Expect good resistance to petroleum-based oils, water, and hydraulic fluids. The material carries a published service range of -40°F (-40°C) to 250°F (121.1°C).

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

H4.5X20 ships individually. Unit weight is approximately 1.8432 g. Check the compound against your process media, pressure and temperature before committing to a design. For a size or compound outside the standard catalog, APG can quote from a print or sample.