HSN (HNBR) 80 568-341

This o-ring is supplied in AS568-341 green HNBR (Hydrogenated Nitrile) 80 Shore A built to an inside diameter of 3.475 in (88.27 mm), a cross section of 0.21 in (5.33 mm), and an outside diameter of 3.895 in (98.93 mm), catalogued under part number HSN80341. It remains the most cost-effective sealing element available for pressurized assemblies.

HNBR (Hydrogenated Nitrile) is known for excellent abrasion and tear strength, strong resistance to rapid gas decompression. The material holds up against petroleum oils and fuels, ozone and weathering, 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 commercial refrigeration, heavy-duty powertrain, and engine timing systems.

Stocked as HSN80341 and sold individually. Unit weight is approximately 8.2 g and nominal inside diameter is listed as 3 1/2 inch. Application requirements vary, so validate compatibility with your process conditions prior to installation.