5.7MM CS X 179.3MM ID BLACK BUNA 90D

H90M5.7X179.3 is a black Buna-N (Nitrile) 90 Shore A O-Ring supplied with an inside diameter of 179.3 mm (7.059 in), a cross section of 5.7 mm (0.224 in), and an outside diameter of 190.7 mm (7.51 in). In service, this o-ring compresses into its gland to block fluid or gas migration across a joint. The catalog record notes: Metric O-RING, JIS G180.

Buna-N (Nitrile) delivers low compression set under sustained load, strong abrasion and tear resistance. The compound resists many alcohols, water, and greases and lubricants. Published continuous service range is -40°F (-40°C) to 250°F (121.1°C).

Typical settings include agricultural equipment, construction equipment, and fluid power.

H90M5.7X179.3 ships individually. Unit weight is approximately 20.655 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.