HSN (HNBR) 80 568-216

Ordered as HSN80216, this is an AS568-216 green HNBR (Hydrogenated Nitrile) 80 Shore A O-Ring built to an inside diameter of 1.109 in (28.17 mm), a cross section of 0.139 in (3.53 mm), and an outside diameter of 1.387 in (35.23 mm). The o-ring creates a positive seal at flange, piston and rod interfaces without added hardware.

HNBR (Hydrogenated Nitrile) is specified here for long service life in refrigerant and oilfield duty, improved ozone and weathering resistance over standard nitrile. This material stands up to heat and oxidation, ozone and weathering, and sour gas and amine inhibitors. Published continuous service range is -40°F (-40°C) to 325°F (162.8°C).

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

Reference part number HSN80216 when ordering; the item is sold individually. Unit weight is approximately 1.3151 g and nominal inside diameter is listed as 1 1/8 inch. Confirm chemical compatibility, pressure and temperature against your own application requirements before installing. APG supports cross-referencing from drawings, samples and competitor numbers when a listed size is not an exact fit.