*568-223 HSN90 DURO ORINGS

Part number HSN90223 is an AS568-223 green HNBR (Hydrogenated Nitrile) 90 Shore A O-Ring measuring an inside diameter of 1.609 in (40.87 mm), a cross section of 0.139 in (3.53 mm), and an outside diameter of 1.887 in (47.93 mm). An o-ring delivers dependable bidirectional sealing in a compact groove envelope.

HNBR (Hydrogenated Nitrile) is specified here for long service life in refrigerant and oilfield duty, excellent abrasion and tear strength. The compound resists modern refrigerants, petroleum oils and fuels, and ozone and weathering. Published continuous service range is -40°F (-40°C) to 325°F (162.8°C). Verify compatibility before use with ketones or strong oxidizing acids.

Typical settings include commercial refrigeration, engine timing systems, and heavy-duty powertrain.

Order part number HSN90223, sold individually. Unit weight is approximately 1.811 g and nominal inside diameter is listed as 1 5/8 inch. As always, verify media compatibility and operating conditions against the requirements of your specific application. If you need a size, durometer or compound that is not listed, APG can cross-reference from a print, a sample or a competitor part number.