HSN (HNBR) 80 568-247

APG stocks the HSN80247, an AS568-247 green HNBR (Hydrogenated Nitrile) 80 Shore A O-Ring built to an inside diameter of 4.609 in (117.07 mm), a cross section of 0.139 in (3.53 mm), and an outside diameter of 4.887 in (124.13 mm). An o-ring creates a positive seal at flange, piston and rod interfaces without added hardware.

HNBR (Hydrogenated Nitrile) is specified here for strong resistance to rapid gas decompression and oil resistance of nitrile with substantially better heat capability. Expect good resistance to ozone and weathering, petroleum oils and fuels, and heat and oxidation. Published continuous service range is -40°F (-40°C) to 325°F (162.8°C). Verify compatibility before use with strong oxidizing acids or ketones.

Maintenance and OEM teams specify it across automotive air conditioning, commercial refrigeration, and heavy-duty powertrain.

This item is sold individually under part number HSN80247. Nominal inside diameter is listed as 4 5/8 inch. Confirm chemical compatibility, pressure and temperature against your own application requirements before installing. For a size or compound outside the standard catalog, APG can quote from a print or sample.