5.7MM CS X 184.3MM ID BLACK BUNA 90D

Ordered as H90M5.7X184.3, this is a black Buna-N (Nitrile) 90 Shore A O-Ring supplied with an inside diameter of 184.3 mm (7.256 in), a cross section of 5.7 mm (0.224 in), and an outside diameter of 195.7 mm (7.7 in). The o-ring seats in a machined groove and forms a leak-tight barrier when compressed between two mating surfaces. Additional detail on this item: Metric O-RING, JIS G185.

It resists greases and lubricants, hydraulic fluids, and propane and butane. Buna-N (Nitrile) is widely chosen for strong abrasion and tear resistance, reliable performance in both static and dynamic service. Service temperature is rated from -40°F (-40°C) through 250°F (121.1°C). Applications involving ozone and direct sunlight or ketones call for a different compound.

It sees regular use in automotive, construction equipment, and agricultural equipment.

Order part number H90M5.7X184.3, sold individually. Application requirements vary, so validate compatibility with your process conditions prior to installation. For a size or compound outside the standard catalog, APG can quote from a print or sample.