HSN (HNBR) 80 568-210

Ordered as HSN80210, this is an AS568-210 green HNBR (Hydrogenated Nitrile) 80 Shore A O-Ring built to an inside diameter of 0.734 in (18.64 mm), a cross section of 0.139 in (3.53 mm), and an outside diameter of 1.012 in (25.7 mm). The o-ring delivers dependable bidirectional sealing in a compact groove envelope.

The material holds up against modern refrigerants, petroleum oils and fuels, and sour gas and amine inhibitors. That behavior comes from the compound itself: HNBR (Hydrogenated Nitrile) is known for excellent abrasion and tear strength, improved ozone and weathering resistance over standard nitrile. Service temperature is rated from -40°F (-40°C) through 325°F (162.8°C). Verify compatibility before use with strong oxidizing acids or esters.

Typical settings include engine timing systems, automotive air conditioning, and commercial refrigeration.

Reference part number HSN80210 when ordering; the item is sold individually. Unit weight is approximately 0.8739 g. Review your operating media and conditions against this specification before installation.