568-039 HSN90 DURO ORINGS

Part number HSN90039 is an AS568-039 green HNBR (Hydrogenated Nitrile) 90 Shore A O-Ring measuring an inside diameter of 2.739 in (69.57 mm), a cross section of 0.07 in (1.78 mm), and an outside diameter of 2.879 in (73.13 mm). An o-ring delivers dependable bidirectional sealing in a compact groove envelope.

As a material, HNBR (Hydrogenated Nitrile) offers improved ozone and weathering resistance over standard nitrile, excellent abrasion and tear strength. This material stands up to modern refrigerants, ozone and weathering, and sour gas and amine inhibitors. Rated temperature range runs from -40°F (-40°C) to 325°F (162.8°C) in continuous service. It is not the right choice where chlorinated hydrocarbons or esters are present.

You will find this material specified across engine timing systems, automotive air conditioning, and heavy-duty powertrain.

Reference part number HSN90039 when ordering; the item is sold individually. Application requirements vary, so validate compatibility with your process conditions prior to installation.