568-447 GREEN HNBR (HSN) 70 ORINGS

HS70447 is an AS568-447 green HNBR (Hydrogenated Nitrile) 70 Shore A O-Ring built to an inside diameter of 8.975 in (227.97 mm), a cross section of 0.275 in (6.99 mm), and an outside diameter of 9.525 in (241.94 mm). In service, this o-ring delivers dependable bidirectional sealing in a compact groove envelope.

The compound resists petroleum oils and fuels, sour gas and amine inhibitors, and ozone and weathering. That behavior comes from the compound itself: HNBR (Hydrogenated Nitrile) delivers improved ozone and weathering resistance over standard nitrile, excellent abrasion and tear strength. Continuous operating temperature is published at -40°F (-40°C) to 325°F (162.8°C).

Common environments for this compound include commercial refrigeration, engine timing systems, and automotive air conditioning.

This item is sold individually under part number HS70447. Nominal inside diameter is listed as 9 inch. As always, verify media compatibility and operating conditions against the requirements of your specific application. 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.