568-369 HSN90 DURO ORINGS

HSN90369 is an AS568-369 green HNBR (Hydrogenated Nitrile) 90 Shore A O-Ring supplied with an inside diameter of 7.975 in (202.57 mm), a cross section of 0.21 in (5.33 mm), and an outside diameter of 8.395 in (213.23 mm). In service, this o-ring delivers dependable bidirectional sealing in a compact groove envelope.

HNBR (Hydrogenated Nitrile) delivers the oil resistance of nitrile with substantially better heat capability, long service life in refrigerant and oilfield duty. This material stands up to modern refrigerants, ozone and weathering, and petroleum oils and fuels. The material carries a published service range of -40°F (-40°C) to 325°F (162.8°C). Verify compatibility before use with strong oxidizing acids or esters.

Typical settings include heavy-duty powertrain, automotive air conditioning, and commercial refrigeration.

Reference part number HSN90369 when ordering; the item is sold individually. Confirm chemical compatibility, pressure and temperature against your own application requirements before installing. APG can cross-reference from an existing part number, a drawing or a physical sample if this size is not an exact match.