568-349 GREEN HNBR (HSN) 70 ORINGS

HS70349 is an AS568-349 green HNBR (Hydrogenated Nitrile) 70 Shore A O-Ring with an inside diameter of 4.475 in (113.67 mm), a cross section of 0.21 in (5.33 mm), and an outside diameter of 4.895 in (124.33 mm). In service, this o-ring creates a positive seal at flange, piston and rod interfaces without added hardware.

Expect good resistance to petroleum oils and fuels, modern refrigerants, and heat and oxidation. HNBR (Hydrogenated Nitrile) delivers strong resistance to rapid gas decompression and the oil resistance of nitrile with substantially better heat capability. 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 esters or chlorinated hydrocarbons.

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

This item is sold individually under part number HS70349. Nominal inside diameter is listed as 4 1/2 inch. Confirm chemical compatibility, pressure and temperature against your own application requirements before installing.