568-171 GREEN HNBR (HSN) 70 ORINGS

This o-ring is supplied in AS568-171 green HNBR (Hydrogenated Nitrile) 70 Shore A built to an inside diameter of 7.987 in (202.87 mm), a cross section of 0.103 in (2.62 mm), and an outside diameter of 8.193 in (208.1 mm), catalogued under part number HS70171. It remains the most cost-effective sealing element available for pressurized assemblies.

HNBR (Hydrogenated Nitrile) is valued for strong resistance to rapid gas decompression and the oil resistance of nitrile with substantially better heat capability. Expect good resistance to sour gas and amine inhibitors, heat and oxidation, and ozone and weathering. Service temperature is rated from -40°F (-40°C) through 325°F (162.8°C).

You will find this material specified across engine timing systems, automotive air conditioning, and oilfield and downhole equipment.

Reference part number HS70171 when ordering; the item is sold individually. Nominal inside diameter is listed as 8 inch. Check the compound against your process media, pressure and temperature before committing to a design.