568-150 BLACK HNBR HSN70 O-Ring

Ordered as HSN70150, this is an AS568-150 black HNBR (Hydrogenated Nitrile) 70 Shore A O-Ring built to an inside diameter of 2.862 in (72.69 mm), a cross section of 0.103 in (2.62 mm), and an outside diameter of 3.068 in (77.93 mm). The o-ring seats in a machined groove and forms a leak-tight barrier when compressed between two mating surfaces.

HNBR (Hydrogenated Nitrile) is specified here for improved ozone and weathering resistance over standard nitrile, long service life in refrigerant and oilfield duty. This material stands up to ozone and weathering, sour gas and amine inhibitors, and petroleum oils and fuels. Rated temperature range runs from -40°F (-40°C) to 325°F (162.8°C) in continuous service.

Maintenance and OEM teams specify it across commercial refrigeration, engine timing systems, and heavy-duty powertrain.

This item is sold individually under part number HSN70150. Unit weight is approximately 1.5223 g and nominal inside diameter is listed as 2 7/8 inch. Check the compound against your process media, pressure and temperature before committing to a design. If you need a size, durometer or compound that is not listed, APG can cross-reference from a print, a sample or a competitor part number.