568-177 GREEN HNBR (HSN) 70 ORINGS

This o-ring is supplied in AS568-177 green HNBR (Hydrogenated Nitrile) 70 Shore A built to an inside diameter of 9.487 in (240.97 mm), a cross section of 0.103 in (2.62 mm), and an outside diameter of 9.693 in (246.2 mm), catalogued under part number HS70177. It provides a reliable static or dynamic seal by deforming into its gland under assembly load.

HNBR (Hydrogenated Nitrile) delivers improved ozone and weathering resistance over standard nitrile, excellent abrasion and tear strength. The compound resists heat and oxidation, modern refrigerants, and sour gas and amine inhibitors. Published continuous service range is -40°F (-40°C) to 325°F (162.8°C). Verify compatibility before use with chlorinated hydrocarbons or ketones.

Common environments for this compound include automotive air conditioning, oilfield and downhole equipment, and engine timing systems.

Stocked as HS70177 and sold individually. Nominal inside diameter is listed as 9 1/2 inch. Review your operating media and conditions against this specification before installation. APG can cross-reference from an existing part number, a drawing or a physical sample if this size is not an exact match.