1.9MM CS X 8.8MM ID BLACK BUNA 90D

The H90M1.9X8.8 is a black Buna-N (Nitrile) 90 Shore A O-Ring built to an inside diameter of 8.8 mm (0.346 in), a cross section of 1.9 mm (0.075 in), and an outside diameter of 12.6 mm (0.5 in). This o-ring compresses into its gland to block fluid or gas migration across a joint. Supplementary detail from the product record: Metric O-RING, JIS P9.

Buna-N (Nitrile) is specified for strong abrasion and tear resistance, the most widely specified general-purpose sealing elastomer. This material stands up to propane and butane, many alcohols, and greases and lubricants. The material carries a published service range of -40°F (-40°C) to 250°F (121.1°C). It is not the right choice where strong acids or automotive brake fluid are present.

It sees regular use in general industrial maintenance, hydraulic and pneumatic systems, and fluid power.

H90M1.9X8.8 ships individually. 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.