HSN (HNBR) 80 568-140

This o-ring is supplied in AS568-140 green HNBR (Hydrogenated Nitrile) 80 Shore A with an inside diameter of 2.237 in (56.82 mm), a cross section of 0.103 in (2.62 mm), and an outside diameter of 2.443 in (62.05 mm), catalogued under part number HSN80140. It compresses into its gland to block fluid or gas migration across a joint.

The compound resists petroleum oils and fuels, sour gas and amine inhibitors, and ozone and weathering. HNBR (Hydrogenated Nitrile) is specified for excellent abrasion and tear strength, the oil resistance of nitrile with substantially better heat capability. Continuous operating temperature is published at -40°F (-40°C) to 325°F (162.8°C). Exposure to strong oxidizing acids or esters will shorten service life.

You will find this material specified across heavy-duty powertrain, oilfield and downhole equipment, and engine timing systems.

This item is sold individually under part number HSN80140. Unit weight is approximately 1.29 g and nominal inside diameter is listed as 2 1/4 inch. Confirm chemical compatibility, pressure and temperature against your own application requirements before installing. For a size or compound outside the standard catalog, APG can quote from a print or sample.