568-319 GREEN HNBR (HSN) 70 ORINGS

Part number HS70319 is an AS568-319 green HNBR (Hydrogenated Nitrile) 70 Shore A O-Ring measuring an inside diameter of 1.037 in (26.34 mm), a cross section of 0.21 in (5.33 mm), and an outside diameter of 1.457 in (37.01 mm). An o-ring delivers dependable bidirectional sealing in a compact groove envelope.

Expect good resistance to sour gas and amine inhibitors, ozone and weathering, and modern refrigerants. HNBR (Hydrogenated Nitrile) delivers the oil resistance of nitrile with substantially better heat capability and strong resistance to rapid gas decompression. Published continuous service range is -40°F (-40°C) to 325°F (162.8°C). It should not be specified for service in strong oxidizing acids or ketones.

You will find this material specified across commercial refrigeration, automotive air conditioning, and oilfield and downhole equipment.

Reference part number HS70319 when ordering; the item is sold individually. Nominal inside diameter is listed as 1 1/16 inch. Review your operating media and conditions against this specification before installation.