568-427 GREEN HNBR (HSN) 70 ORINGS

HS70427 is an AS568-427 green HNBR (Hydrogenated Nitrile) 70 Shore A O-Ring with an inside diameter of 4.725 in (120.02 mm), a cross section of 0.275 in (6.99 mm), and an outside diameter of 5.275 in (133.99 mm). In service, this o-ring provides a reliable static or dynamic seal by deforming into its gland under assembly load.

As a material, HNBR (Hydrogenated Nitrile) is valued for long service life in refrigerant and oilfield duty, excellent abrasion and tear strength. The material holds up against heat and oxidation, modern refrigerants, and petroleum oils and fuels. Continuous operating temperature is published at -40°F (-40°C) to 325°F (162.8°C). Verify compatibility before use with chlorinated hydrocarbons or strong oxidizing acids.

You will find this material specified across heavy-duty powertrain, engine timing systems, and oilfield and downhole equipment.

HS70427 ships individually. Confirm chemical compatibility, pressure and temperature against your own application requirements before installing.