*568-266 HSN90 DURO ORINGS

APG stocks the HSN90266, an AS568-266 green HNBR (Hydrogenated Nitrile) 90 Shore A O-Ring measuring an inside diameter of 7.984 in (202.79 mm), a cross section of 0.139 in (3.53 mm), and an outside diameter of 8.262 in (209.85 mm). An o-ring creates a positive seal at flange, piston and rod interfaces without added hardware.

It resists ozone and weathering, modern refrigerants, and heat and oxidation. HNBR (Hydrogenated Nitrile) delivers strong resistance to rapid gas decompression, improved ozone and weathering resistance over standard nitrile. Published continuous service range is -40°F (-40°C) to 325°F (162.8°C).

Common environments for this compound include engine timing systems, oilfield and downhole equipment, and heavy-duty powertrain.

Reference part number HSN90266 when ordering; the item is sold individually. Nominal inside diameter is listed as 8 inch. Application requirements vary, so validate compatibility with your process conditions prior to installation.