568-229 BLACK HNBR HSN70 O-Ring

Part number HSN70229 is an AS568-229 black HNBR (Hydrogenated Nitrile) 70 Shore A O-Ring supplied with an inside diameter of 2.359 in (59.92 mm), a cross section of 0.139 in (3.53 mm), and an outside diameter of 2.637 in (66.98 mm). An o-ring delivers dependable bidirectional sealing in a compact groove envelope.

It resists modern refrigerants, heat and oxidation, and petroleum oils and fuels. HNBR (Hydrogenated Nitrile) is known for the oil resistance of nitrile with substantially better heat capability, improved ozone and weathering resistance over standard nitrile. Published continuous service range is -40°F (-40°C) to 325°F (162.8°C). Applications involving strong oxidizing acids or esters call for a different compound.

You will find this material specified across engine timing systems, automotive air conditioning, and commercial refrigeration.

This item is sold individually under part number HSN70229. Unit weight is approximately 2.301 g. 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.