HSN (HNBR) 80 568-425

Part number HSN80425 is an AS568-425 green HNBR (Hydrogenated Nitrile) 80 Shore A O-Ring with an inside diameter of 4.475 in (113.67 mm), a cross section of 0.275 in (6.99 mm), and an outside diameter of 5.025 in (127.64 mm). An o-ring seats in a machined groove and forms a leak-tight barrier when compressed between two mating surfaces.

As a material, HNBR (Hydrogenated Nitrile) is valued for strong resistance to rapid gas decompression, long service life in refrigerant and oilfield duty. It resists ozone and weathering, modern refrigerants, and sour gas and amine inhibitors. Rated temperature range runs from -40°F (-40°C) to 325°F (162.8°C) in continuous service. Verify compatibility before use with esters or strong oxidizing acids.

You will find this material specified across oilfield and downhole equipment, heavy-duty powertrain, and automotive air conditioning.

This item is sold individually under part number HSN80425. As always, verify media compatibility and operating conditions against the requirements of your specific application.