568-209 GREEN HNBR (HSN) 70 ORINGS

Part number HS70209 is an AS568-209 green HNBR (Hydrogenated Nitrile) 70 Shore A O-Ring with an inside diameter of 0.671 in (17.04 mm), a cross section of 0.139 in (3.53 mm), and an outside diameter of 0.949 in (24.1 mm). An o-ring remains the most cost-effective sealing element available for pressurized assemblies.

As a material, HNBR (Hydrogenated Nitrile) is known for excellent abrasion and tear strength, strong resistance to rapid gas decompression. This material stands up to petroleum oils and fuels, modern refrigerants, and sour gas and amine inhibitors. The material carries a published service range of -40°F (-40°C) to 325°F (162.8°C). It should not be specified for service in esters or chlorinated hydrocarbons.

Maintenance and OEM teams specify it across oilfield and downhole equipment, commercial refrigeration, and engine timing systems.

Reference part number HS70209 when ordering; the item is sold individually. As always, verify media compatibility and operating conditions against the requirements of your specific application. APG supports cross-referencing from drawings, samples and competitor numbers when a listed size is not an exact fit.