5.7MM CS X 79.2MM ID BLACK BUNA 90D

H90M5.7X79.2 is a black Buna-N (Nitrile) 90 Shore A O-Ring measuring an inside diameter of 79.2 mm (3.118 in), a cross section of 5.7 mm (0.224 in), and an outside diameter of 90.6 mm (3.57 in). In service, this o-ring provides a reliable static or dynamic seal by deforming into its gland under assembly load.

Buna-N (Nitrile) is specified here for low compression set under sustained load, reliable performance in both static and dynamic service. The compound resists many alcohols, hydraulic fluids, and petroleum-based oils. Service temperature is rated from -40°F (-40°C) through 250°F (121.1°C).

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

H90M5.7X79.2 ships individually. Application requirements vary, so validate compatibility with your process conditions prior to installation. Not finding the exact configuration you need? APG cross-references from prints, samples and competitor part numbers.