568-234 HSN90 DURO ORINGS

The HSN90234 is an AS568-234 green HNBR (Hydrogenated Nitrile) 90 Shore A O-Ring supplied with an inside diameter of 2.984 in (75.79 mm), a cross section of 0.139 in (3.53 mm), and an outside diameter of 3.262 in (82.85 mm). This o-ring delivers dependable bidirectional sealing in a compact groove envelope.

The material holds up against sour gas and amine inhibitors, modern refrigerants, and ozone and weathering. That behavior comes from the compound itself: HNBR (Hydrogenated Nitrile) offers the oil resistance of nitrile with substantially better heat capability, improved ozone and weathering resistance over standard nitrile. Service temperature is rated from -40°F (-40°C) through 325°F (162.8°C).

You will find this material specified across commercial refrigeration, oilfield and downhole equipment, and engine timing systems.

This item is sold individually under part number HSN90234. Unit weight is approximately 3.2433 g. Confirm chemical compatibility, pressure and temperature against your own application requirements before installing. Not finding the exact configuration you need? APG cross-references from prints, samples and competitor part numbers.