This o-ring is supplied in AS568-472 green HNBR (Hydrogenated Nitrile) 70 Shore A with an inside diameter of 22.94 in (582.68 mm), a cross section of 0.275 in (6.99 mm), and an outside diameter of 23.49 in (596.65 mm), catalogued under part number HS70472. It remains the most cost-effective sealing element available for pressurized assemblies.
HNBR (Hydrogenated Nitrile) offers the oil resistance of nitrile with substantially better heat capability, long service life in refrigerant and oilfield duty. The compound resists ozone and weathering, heat and oxidation, and sour gas and amine inhibitors. Continuous operating temperature is published at -40°F (-40°C) to 325°F (162.8°C). It should not be specified for service in chlorinated hydrocarbons or ketones.
Common environments for this compound include oilfield and downhole equipment, heavy-duty powertrain, and automotive air conditioning.
Order part number HS70472, sold individually. Nominal inside diameter is listed as 23 inch. Confirm chemical compatibility, pressure and temperature against your own application requirements before installing.
Description 568-472 GREEN HNBR (HSN) 70 ORINGS
Actual Cross Section 0.275 inch (6.99 mm)
Actual Inside Diameter 22.94 inch (582.68 mm)
Actual Outside Diameter 23.49 inch (596.65 mm)
Measurement System Imperial
Product Category O-Rings - Bulk - Premium