HSN (HNBR) 80 568-457

This o-ring is supplied in AS568-457 green HNBR (Hydrogenated Nitrile) 80 Shore A supplied with an inside diameter of 13.975 in (354.97 mm), a cross section of 0.275 in (6.99 mm), and an outside diameter of 14.525 in (368.94 mm), catalogued under part number HSN80457. It delivers dependable bidirectional sealing in a compact groove envelope.

As a material, HNBR (Hydrogenated Nitrile) is widely chosen for strong resistance to rapid gas decompression, long service life in refrigerant and oilfield duty. Expect good resistance to heat and oxidation, ozone and weathering, and modern refrigerants. Service temperature is rated from -40°F (-40°C) through 325°F (162.8°C). It is not the right choice where strong oxidizing acids or esters are present.

You will find this material specified across automotive air conditioning, engine timing systems, and heavy-duty powertrain.

Order part number HSN80457, sold individually. Nominal inside diameter is listed as 14 inch. Review your operating media and conditions against this specification before installation.