HSN (HNBR) 80 568-337

This o-ring is supplied in AS568-337 green HNBR (Hydrogenated Nitrile) 80 Shore A built to an inside diameter of 2.975 in (75.57 mm), a cross section of 0.21 in (5.33 mm), and an outside diameter of 3.395 in (86.23 mm), catalogued under part number HSN80337. It provides a reliable static or dynamic seal by deforming into its gland under assembly load.

HNBR (Hydrogenated Nitrile) is widely chosen for improved ozone and weathering resistance over standard nitrile, excellent abrasion and tear strength. The compound resists ozone and weathering, heat and oxidation, and petroleum oils and fuels. Service temperature is rated from -40°F (-40°C) through 325°F (162.8°C). Applications involving esters or chlorinated hydrocarbons call for a different compound.

Common environments for this compound include oilfield and downhole equipment, heavy-duty powertrain, and commercial refrigeration.

This item is sold individually under part number HSN80337. Unit weight is approximately 7.133 g and nominal inside diameter is listed as 3 inch. Check the compound against your process media, pressure and temperature before committing to a design.