568-137 HSN90 DURO ORINGS

Part number HSN90137 is an AS568-137 green HNBR (Hydrogenated Nitrile) 90 Shore A O-Ring supplied with an inside diameter of 2.05 in (52.07 mm), a cross section of 0.103 in (2.62 mm), and an outside diameter of 2.256 in (57.3 mm). An o-ring compresses into its gland to block fluid or gas migration across a joint.

HNBR (Hydrogenated Nitrile) is valued for improved ozone and weathering resistance over standard nitrile, excellent abrasion and tear strength. The material holds up against heat and oxidation, petroleum oils and fuels, and modern refrigerants. The material carries a published service range of -40°F (-40°C) to 325°F (162.8°C).

It sees regular use in automotive air conditioning, heavy-duty powertrain, and oilfield and downhole equipment.

Order part number HSN90137, sold individually. Review your operating media and conditions against this specification before installation. Not finding the exact configuration you need? APG cross-references from prints, samples and competitor part numbers.