568-237 HSN90 DURO ORINGS

HSN90237 is an AS568-237 green HNBR (Hydrogenated Nitrile) 90 Shore A O-Ring built to an inside diameter of 3.359 in (85.32 mm), a cross section of 0.139 in (3.53 mm), and an outside diameter of 3.637 in (92.38 mm). In service, this o-ring delivers dependable bidirectional sealing in a compact groove envelope.

HNBR (Hydrogenated Nitrile) is specified here for long service life in refrigerant and oilfield duty, excellent abrasion and tear strength. The material holds up against heat and oxidation, ozone and weathering, and modern refrigerants. Rated temperature range runs from -40°F (-40°C) to 325°F (162.8°C) in continuous service. Verify compatibility before use with strong oxidizing acids or ketones.

Typical settings include automotive air conditioning, oilfield and downhole equipment, and engine timing systems.

Reference part number HSN90237 when ordering; the item is sold individually. Unit weight is approximately 3.6292 g. Confirm chemical compatibility, pressure and temperature against your own application requirements before installing. Not finding the exact configuration you need? APG cross-references from prints, samples and competitor part numbers.