568-429 GREEN HNBR (HSN) 70 ORINGS

This o-ring is supplied in AS568-429 green HNBR (Hydrogenated Nitrile) 70 Shore A supplied with an inside diameter of 4.975 in (126.37 mm), a cross section of 0.275 in (6.99 mm), and an outside diameter of 5.525 in (140.34 mm), catalogued under part number HS70429. It compresses into its gland to block fluid or gas migration across a joint.

HNBR (Hydrogenated Nitrile) is known for long service life in refrigerant and oilfield duty, excellent abrasion and tear strength. The material holds up against modern refrigerants, ozone and weathering, and heat and oxidation. Continuous operating temperature is published at -40°F (-40°C) to 325°F (162.8°C). Exposure to chlorinated hydrocarbons or ketones will shorten service life.

It sees regular use in commercial refrigeration, heavy-duty powertrain, and automotive air conditioning.

This item is sold individually under part number HS70429. Nominal inside diameter is listed as 5 inch. As always, verify media compatibility and operating conditions against the requirements of your specific application.