568-459 HSN90 DURO ORINGS

Ordered as HSN90459, this is an AS568-459 green HNBR (Hydrogenated Nitrile) 90 Shore A O-Ring measuring an inside diameter of 14.975 in (380.37 mm), a cross section of 0.275 in (6.99 mm), and an outside diameter of 15.525 in (394.34 mm). The o-ring delivers dependable bidirectional sealing in a compact groove envelope.

Expect good resistance to ozone and weathering, sour gas and amine inhibitors, and petroleum oils and fuels. HNBR (Hydrogenated Nitrile) offers excellent abrasion and tear strength, long service life in refrigerant and oilfield duty. Continuous operating temperature is published at -40°F (-40°C) to 325°F (162.8°C). Applications involving esters or chlorinated hydrocarbons call for a different compound.

Common environments for this compound include engine timing systems, oilfield and downhole equipment, and commercial refrigeration.

Reference part number HSN90459 when ordering; the item is sold individually. Nominal inside diameter is listed as 15 inch. 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.