568-466 HSN90 DURO ORINGS

The HSN90466 is an AS568-466 green HNBR (Hydrogenated Nitrile) 90 Shore A O-Ring with an inside diameter of 18.455 in (468.76 mm), a cross section of 0.275 in (6.99 mm), and an outside diameter of 19.005 in (482.73 mm). This o-ring compresses into its gland to block fluid or gas migration across a joint.

This material stands up to heat and oxidation, sour gas and amine inhibitors, and modern refrigerants. HNBR (Hydrogenated Nitrile) is valued for excellent abrasion and tear strength, improved ozone and weathering resistance over standard nitrile. Continuous operating temperature is published at -40°F (-40°C) to 325°F (162.8°C).

Maintenance and OEM teams specify it across oilfield and downhole equipment, engine timing systems, and heavy-duty powertrain.

Order part number HSN90466, sold individually. As always, verify media compatibility and operating conditions against the requirements of your specific application.