568-244 GREEN HNBR (HSN) 70 ORINGS

HS70244 is an AS568-244 green HNBR (Hydrogenated Nitrile) 70 Shore A O-Ring built to an inside diameter of 4.234 in (107.54 mm), a cross section of 0.139 in (3.53 mm), and an outside diameter of 4.512 in (114.6 mm). In service, this o-ring creates a positive seal at flange, piston and rod interfaces without added hardware.

HNBR (Hydrogenated Nitrile) is specified here for improved ozone and weathering resistance over standard nitrile, excellent abrasion and tear strength. The material holds up against petroleum oils and fuels, modern refrigerants, and heat and oxidation. Published continuous service range is -40°F (-40°C) to 325°F (162.8°C).

It sees regular use in oilfield and downhole equipment, engine timing systems, and commercial refrigeration.

Reference part number HS70244 when ordering; the item is sold individually. Confirm chemical compatibility, pressure and temperature against your own application requirements before installing.