568-121 GREEN HNBR (HSN) 70 ORINGS

HS70121 is an AS568-121 green HNBR (Hydrogenated Nitrile) 70 Shore A O-Ring measuring an inside diameter of 1.049 in (26.64 mm), a cross section of 0.103 in (2.62 mm), and an outside diameter of 1.255 in (31.88 mm). In service, this o-ring provides a reliable static or dynamic seal by deforming into its gland under assembly load.

This material stands up to sour gas and amine inhibitors, heat and oxidation, and petroleum oils and fuels. HNBR (Hydrogenated Nitrile) offers the oil resistance of nitrile with substantially better heat capability, long service life in refrigerant and oilfield duty. 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.

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

This item is sold individually under part number HS70121. As always, verify media compatibility and operating conditions against the requirements of your specific application. Not finding the exact configuration you need? APG cross-references from prints, samples and competitor part numbers.