HSN (HNBR) 80 568-276

HSN80276 is an AS568-276 green HNBR (Hydrogenated Nitrile) 80 Shore A O-Ring with an inside diameter of 10.984 in (278.99 mm), a cross section of 0.139 in (3.53 mm), and an outside diameter of 11.262 in (286.05 mm). In service, this o-ring delivers dependable bidirectional sealing in a compact groove envelope.

As a material, HNBR (Hydrogenated Nitrile) is known for long service life in refrigerant and oilfield duty, the oil resistance of nitrile with substantially better heat capability. The material holds up against sour gas and amine inhibitors, heat and oxidation, and ozone and weathering. Published continuous service range is -40°F (-40°C) to 325°F (162.8°C). Verify compatibility before use with esters or strong oxidizing acids.

Typical settings include heavy-duty powertrain, oilfield and downhole equipment, and commercial refrigeration.

Reference part number HSN80276 when ordering; the item is sold individually. Review your operating media and conditions against this specification before installation. APG supports cross-referencing from drawings, samples and competitor numbers when a listed size is not an exact fit.