HSN (HNBR) 80 568-446

This o-ring is supplied in AS568-446 green HNBR (Hydrogenated Nitrile) 80 Shore A with an inside diameter of 8.475 in (215.27 mm), a cross section of 0.275 in (6.99 mm), and an outside diameter of 9.025 in (229.24 mm), catalogued under part number HSN80446. It creates a positive seal at flange, piston and rod interfaces without added hardware.

The compound resists ozone and weathering, petroleum oils and fuels, and sour gas and amine inhibitors. HNBR (Hydrogenated Nitrile) is specified for long service life in refrigerant and oilfield duty, strong resistance to rapid gas decompression. Continuous operating temperature is published at -40°F (-40°C) to 325°F (162.8°C).

You will find this material specified across automotive air conditioning, heavy-duty powertrain, and engine timing systems.

HSN80446 ships individually. Nominal inside diameter is listed as 8 1/2 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.