568-909 HSN90 DURO ORINGS

APG stocks the HSN90909, an AS568-909 green HNBR (Hydrogenated Nitrile) 90 Shore A O-Ring built to an inside diameter of 0.706 in (17.93 mm), a cross section of 0.097 in (2.46 mm), and an outside diameter of 0.9 in (22.86 mm). An o-ring delivers dependable bidirectional sealing in a compact groove envelope.

This material stands up to heat and oxidation, petroleum oils and fuels, and sour gas and amine inhibitors. HNBR (Hydrogenated Nitrile) is widely chosen for strong resistance to rapid gas decompression, improved ozone and weathering resistance over standard nitrile. Rated temperature range runs from -40°F (-40°C) to 325°F (162.8°C) in continuous service.

You will find this material specified across automotive air conditioning, oilfield and downhole equipment, and commercial refrigeration.

This item is sold individually under part number HSN90909. Nominal inside diameter is listed as 9/16 inch. Application requirements vary, so validate compatibility with your process conditions prior to installation. APG supports cross-referencing from drawings, samples and competitor numbers when a listed size is not an exact fit.