*568-358 GREEN HNBR (HSN) 70 ORINGS

This o-ring is supplied in AS568-358 green HNBR (Hydrogenated Nitrile) 70 Shore A with an inside diameter of 5.6 in (142.24 mm), a cross section of 0.21 in (5.33 mm), and an outside diameter of 6.02 in (152.91 mm), catalogued under part number HS70358. It delivers dependable bidirectional sealing in a compact groove envelope.

As a material, HNBR (Hydrogenated Nitrile) offers improved ozone and weathering resistance over standard nitrile, the oil resistance of nitrile with substantially better heat capability. Expect good resistance to modern refrigerants, sour gas and amine inhibitors, and ozone and weathering. Published continuous service range is -40°F (-40°C) to 325°F (162.8°C). It is not the right choice where chlorinated hydrocarbons or esters are present.

It sees regular use in commercial refrigeration, heavy-duty powertrain, and oilfield and downhole equipment.

Reference part number HS70358 when ordering; the item is sold individually. Nominal inside diameter is listed as 5 5/8 inch. As always, verify media compatibility and operating conditions against the requirements of your specific application. APG supports cross-referencing from drawings, samples and competitor numbers when a listed size is not an exact fit.