568-004 GREEN HNBR (HSN) 70 ORINGS

APG stocks the HS70004, an AS568-004 green HNBR (Hydrogenated Nitrile) 70 Shore A O-Ring supplied with an inside diameter of 0.07 in (1.78 mm), a cross section of 0.07 in (1.78 mm), and an outside diameter of 0.21 in (5.33 mm). An o-ring delivers dependable bidirectional sealing in a compact groove envelope.

It resists modern refrigerants, heat and oxidation, and sour gas and amine inhibitors. HNBR (Hydrogenated Nitrile) delivers 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. Exposure to esters or strong oxidizing acids will shorten service life.

Common environments for this compound include commercial refrigeration, heavy-duty powertrain, and automotive air conditioning.

Reference part number HS70004 when ordering; the item is sold individually. As always, verify media compatibility and operating conditions against the requirements of your specific application. For a size or compound outside the standard catalog, APG can quote from a print or sample.