*568-329 HSN90 DURO ORINGS

The HSN90329 is an AS568-329 green HNBR (Hydrogenated Nitrile) 90 Shore A O-Ring measuring an inside diameter of 1.975 in (50.17 mm), a cross section of 0.21 in (5.33 mm), and an outside diameter of 2.395 in (60.83 mm). This o-ring compresses into its gland to block fluid or gas migration across a joint.

Expect good resistance to petroleum oils and fuels, modern refrigerants, and heat and oxidation. HNBR (Hydrogenated Nitrile) is specified for improved ozone and weathering resistance over standard nitrile, excellent abrasion and tear strength. Rated temperature range runs from -40°F (-40°C) to 325°F (162.8°C) in continuous service. It should not be specified for service in esters or chlorinated hydrocarbons.

You will find this material specified across oilfield and downhole equipment, automotive air conditioning, and heavy-duty powertrain.

This item is sold individually under part number HSN90329. Unit weight is approximately 5.1451 g and nominal inside diameter is listed as 2 inch. Review your operating media and conditions against this specification before installation.