568-222 HSN90 DURO ORINGS

Ordered as HSN90222, this is an AS568-222 green HNBR (Hydrogenated Nitrile) 90 Shore A O-Ring with an inside diameter of 1.484 in (37.69 mm), a cross section of 0.139 in (3.53 mm), and an outside diameter of 1.762 in (44.75 mm). The o-ring provides a reliable static or dynamic seal by deforming into its gland under assembly load.

HNBR (Hydrogenated Nitrile) is specified here for excellent abrasion and tear strength, improved ozone and weathering resistance over standard nitrile. The compound resists heat and oxidation, ozone and weathering, and sour gas and amine inhibitors. The material carries a published service range of -40°F (-40°C) to 325°F (162.8°C). It should not be specified for service in chlorinated hydrocarbons or ketones.

It sees regular use in oilfield and downhole equipment, automotive air conditioning, and commercial refrigeration.

Reference part number HSN90222 when ordering; the item is sold individually. Unit weight is approximately 0.0017 g and nominal inside diameter is listed as 1 1/2 inch. Check the compound against your process media, pressure and temperature before committing to a design.