568-273 GREEN HNBR (HSN) 70 ORINGS

HS70273 is an AS568-273 green HNBR (Hydrogenated Nitrile) 70 Shore A O-Ring measuring an inside diameter of 9.734 in (247.24 mm), a cross section of 0.139 in (3.53 mm), and an outside diameter of 10.012 in (254.3 mm). In service, this o-ring delivers dependable bidirectional sealing in a compact groove envelope.

HNBR (Hydrogenated Nitrile) is specified for strong resistance to rapid gas decompression, long service life in refrigerant and oilfield duty. Expect good resistance to heat and oxidation, sour gas and amine inhibitors, and ozone and weathering. Service temperature is rated from -40°F (-40°C) through 325°F (162.8°C). Applications involving esters or ketones call for a different compound.

It sees regular use in engine timing systems, heavy-duty powertrain, and commercial refrigeration.

This item is sold individually under part number HS70273. Confirm chemical compatibility, pressure and temperature against your own application requirements before installing.