568-167 HSN90 DURO ORINGS

This o-ring is supplied in AS568-167 green HNBR (Hydrogenated Nitrile) 90 Shore A built to an inside diameter of 6.987 in (177.47 mm), a cross section of 0.103 in (2.62 mm), and an outside diameter of 7.193 in (182.7 mm), catalogued under part number HSN90167. It delivers dependable bidirectional sealing in a compact groove envelope.

Expect good resistance to sour gas and amine inhibitors, modern refrigerants, and ozone and weathering. HNBR (Hydrogenated Nitrile) is known for excellent abrasion and tear strength, strong resistance to rapid gas decompression. Service temperature is rated from -40°F (-40°C) through 325°F (162.8°C). Applications involving ketones or esters call for a different compound.

You will find this material specified across heavy-duty powertrain, engine timing systems, and automotive air conditioning.

Stocked as HSN90167 and sold individually. Nominal inside diameter is listed as 7 inch. As always, verify media compatibility and operating conditions against the requirements of your specific application. Not finding the exact configuration you need? APG cross-references from prints, samples and competitor part numbers.