568-236 GREEN HNBR (HSN) 70 ORINGS

Part number HS70236 is an AS568-236 green HNBR (Hydrogenated Nitrile) 70 Shore A O-Ring measuring an inside diameter of 3.234 in (82.14 mm), a cross section of 0.139 in (3.53 mm), and an outside diameter of 3.512 in (89.2 mm). An o-ring remains the most cost-effective sealing element available for pressurized assemblies.

This material stands up to sour gas and amine inhibitors, modern refrigerants, and ozone and weathering. HNBR (Hydrogenated Nitrile) offers the oil resistance of nitrile with substantially better heat capability and strong resistance to rapid gas decompression. Published continuous service range is -40°F (-40°C) to 325°F (162.8°C). It should not be specified for service in chlorinated hydrocarbons or ketones.

It sees regular use in commercial refrigeration, automotive air conditioning, and engine timing systems.

Reference part number HS70236 when ordering; the item is sold individually. Nominal inside diameter is listed as 3 1/4 inch. Check the compound against your process media, pressure and temperature before committing to a design.