568-207 HSN90 DURO ORINGS

HSN90207 is an AS568-207 green HNBR (Hydrogenated Nitrile) 90 Shore A O-Ring with an inside diameter of 0.546 in (13.87 mm), a cross section of 0.139 in (3.53 mm), and an outside diameter of 0.824 in (20.93 mm). In service, this o-ring provides a reliable static or dynamic seal by deforming into its gland under assembly load.

As a material, HNBR (Hydrogenated Nitrile) delivers long service life in refrigerant and oilfield duty, the oil resistance of nitrile with substantially better heat capability. This material stands up to sour gas and amine inhibitors, modern refrigerants, and ozone and weathering. Continuous operating temperature is published at -40°F (-40°C) to 325°F (162.8°C).

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

Reference part number HSN90207 when ordering; the item is sold individually. As always, verify media compatibility and operating conditions against the requirements of your specific application.