HSN (HNBR) 80 568-211

The HSN80211 is an AS568-211 green HNBR (Hydrogenated Nitrile) 80 Shore A O-Ring supplied with an inside diameter of 0.796 in (20.22 mm), a cross section of 0.139 in (3.53 mm), and an outside diameter of 1.074 in (27.28 mm). This o-ring delivers dependable bidirectional sealing in a compact groove envelope.

Expect good resistance to modern refrigerants, ozone and weathering, and heat and oxidation. HNBR (Hydrogenated Nitrile) is valued for improved ozone and weathering resistance over standard nitrile, the oil resistance of nitrile with substantially better heat capability. Service temperature is rated from -40°F (-40°C) through 325°F (162.8°C).

You will find this material specified across automotive air conditioning, commercial refrigeration, and heavy-duty powertrain.

HSN80211 ships individually. Unit weight is approximately 0.9359 g. Review your operating media and conditions against this specification before installation. 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.