568-143 GREEN HNBR (HSN) 70 ORINGS

This o-ring is supplied in AS568-143 green HNBR (Hydrogenated Nitrile) 70 Shore A with an inside diameter of 2.425 in (61.6 mm), a cross section of 0.103 in (2.62 mm), and an outside diameter of 2.631 in (66.83 mm), catalogued under part number HS70143. It seats in a machined groove and forms a leak-tight barrier when compressed between two mating surfaces.

HNBR (Hydrogenated Nitrile) is specified here for improved ozone and weathering resistance over standard nitrile, excellent abrasion and tear strength. This material stands up to heat and oxidation, modern refrigerants, and ozone and weathering. Rated temperature range runs from -40°F (-40°C) to 325°F (162.8°C) in continuous service. Verify compatibility before use with chlorinated hydrocarbons or esters.

It sees regular use in engine timing systems, commercial refrigeration, and automotive air conditioning.

HS70143 ships individually. Nominal inside diameter is listed as 2 7/16 inch. As always, verify media compatibility and operating conditions against the requirements of your specific application. Not finding the exact configuration you need? APG cross-references from prints, samples and competitor part numbers.