3MM CS X 21.5MM ID BLACK BUNA 70D

This o-ring is supplied in black Buna-N (Nitrile) 70 Shore A supplied with an inside diameter of 21.5 mm (0.846 in), a cross section of 3 mm (0.118 in), and an outside diameter of 27.5 mm (1.08 in), catalogued under part number H3X21.5. It delivers dependable bidirectional sealing in a compact groove envelope.

As a material, Buna-N (Nitrile) is specified for strong abrasion and tear resistance, an economical choice for high-volume maintenance programs. Expect good resistance to many alcohols, propane and butane, and hydraulic fluids. Continuous operating temperature is published at -40°F (-40°C) to 250°F (121.1°C). It is not the right choice where strong acids or ozone and direct sunlight are present.

You will find this material specified across automotive, construction equipment, and agricultural equipment.

H3X21.5 ships individually. Review your operating media and conditions against this specification before installation.