HSN (HNBR) 80 568-012

Ordered as HSN80012, this is an AS568-012 green HNBR (Hydrogenated Nitrile) 80 Shore A O-Ring built to an inside diameter of 0.364 in (9.25 mm), a cross section of 0.07 in (1.78 mm), and an outside diameter of 0.504 in (12.8 mm). The o-ring compresses into its gland to block fluid or gas migration across a joint.

HNBR (Hydrogenated Nitrile) is known for strong resistance to rapid gas decompression, excellent abrasion and tear strength. Expect good resistance to sour gas and amine inhibitors, ozone and weathering, and petroleum oils and fuels. Published continuous service range is -40°F (-40°C) to 325°F (162.8°C).

You will find this material specified across engine timing systems, heavy-duty powertrain, and commercial refrigeration.

Reference part number HSN80012 when ordering; the item is sold individually. Unit weight is approximately 0.1179 g. 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.