HSN (HNBR) 80 568-274

Ordered as HSN80274, this is an AS568-274 green HNBR (Hydrogenated Nitrile) 80 Shore A O-Ring with an inside diameter of 9.984 in (253.59 mm), a cross section of 0.139 in (3.53 mm), and an outside diameter of 10.262 in (260.65 mm). The o-ring remains the most cost-effective sealing element available for pressurized assemblies.

HNBR (Hydrogenated Nitrile) delivers strong resistance to rapid gas decompression, improved ozone and weathering resistance over standard nitrile. This material stands up to ozone and weathering, petroleum oils and fuels, and sour gas and amine inhibitors. The material carries a published service range of -40°F (-40°C) to 325°F (162.8°C). It should not be specified for service in chlorinated hydrocarbons or ketones.

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

This item is sold individually under part number HSN80274. Nominal inside diameter is listed as 10 inch. As always, verify media compatibility and operating conditions against the requirements of your specific application. APG can cross-reference from an existing part number, a drawing or a physical sample if this size is not an exact match.