568-021 GREEN HNBR (HSN) 70 ORINGS

Ordered as HS70021, this is an AS568-021 green HNBR (Hydrogenated Nitrile) 70 Shore A O-Ring with an inside diameter of 0.926 in (23.52 mm), a cross section of 0.07 in (1.78 mm), and an outside diameter of 1.066 in (27.08 mm). The o-ring compresses into its gland to block fluid or gas migration across a joint.

HNBR (Hydrogenated Nitrile) is specified for strong resistance to rapid gas decompression, improved ozone and weathering resistance over standard nitrile. Expect good resistance to heat and oxidation, modern refrigerants, and sour gas and amine inhibitors. Published continuous service range is -40°F (-40°C) to 325°F (162.8°C). It is not the right choice where esters or strong oxidizing acids are present.

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

Order part number HS70021, sold individually. As always, verify media compatibility and operating conditions against the requirements of your specific application.