HSN (HNBR) 80 568-145

HSN80145 is an AS568-145 green HNBR (Hydrogenated Nitrile) 80 Shore A O-Ring supplied with an inside diameter of 2.55 in (64.77 mm), a cross section of 0.103 in (2.62 mm), and an outside diameter of 2.756 in (70 mm). In service, this o-ring delivers dependable bidirectional sealing in a compact groove envelope.

HNBR (Hydrogenated Nitrile) is specified here for excellent abrasion and tear strength, improved ozone and weathering resistance over standard nitrile. Expect good resistance to petroleum oils and fuels, heat and oxidation, and modern refrigerants. Service temperature is rated from -40°F (-40°C) through 325°F (162.8°C). Verify compatibility before use with chlorinated hydrocarbons or strong oxidizing acids.

Maintenance and OEM teams specify it across commercial refrigeration, automotive air conditioning, and engine timing systems.

HSN80145 ships individually. Nominal inside diameter is listed as 2 9/16 inch. Application requirements vary, so validate compatibility with your process conditions prior to installation.