568-219 GREEN HNBR (HSN) 70 ORINGS

Ordered as HS70219, this is an AS568-219 green HNBR (Hydrogenated Nitrile) 70 Shore A O-Ring supplied with an inside diameter of 1.296 in (32.92 mm), a cross section of 0.139 in (3.53 mm), and an outside diameter of 1.574 in (39.98 mm). The o-ring creates a positive seal at flange, piston and rod interfaces without added hardware.

The material holds up against petroleum oils and fuels, modern refrigerants, and ozone and weathering. HNBR (Hydrogenated Nitrile) is known for long service life in refrigerant and oilfield duty, the oil resistance of nitrile with substantially better heat capability. Rated temperature range runs from -40°F (-40°C) to 325°F (162.8°C) in continuous service. Applications involving strong oxidizing acids or chlorinated hydrocarbons call for a different compound.

You will find this material specified across engine timing systems, automotive air conditioning, and commercial refrigeration.

This item is sold individually under part number HS70219. Nominal inside diameter is listed as 1 5/16 inch. As always, verify media compatibility and operating conditions against the requirements of your specific application.