2MM CS X 18.5MM ID BLACK BUNA 70D

APG stocks the H2X18.5, a black Buna-N (Nitrile) 70 Shore A O-Ring supplied with an inside diameter of 18.5 mm (0.728 in), a cross section of 2 mm (0.079 in), and an outside diameter of 22.5 mm (0.89 in). An o-ring delivers dependable bidirectional sealing in a compact groove envelope.

As a material, Buna-N (Nitrile) delivers the most widely specified general-purpose sealing elastomer, strong abrasion and tear resistance. The material holds up against greases and lubricants, many alcohols, and propane and butane. The material carries a published service range of -40°F (-40°C) to 250°F (121.1°C). Exposure to automotive brake fluid or polar solvents will shorten service life.

It sees regular use in hydraulic and pneumatic systems, automotive, and construction equipment.

This item is sold individually under part number H2X18.5. Unit weight is approximately 0.2518 g. Confirm chemical compatibility, pressure and temperature against your own application requirements before installing. If you need a size, durometer or compound that is not listed, APG can cross-reference from a print, a sample or a competitor part number.