568-154 BLACK HNBR HSN70 O-Ring

HSN70154 is an AS568-154 black HNBR (Hydrogenated Nitrile) 70 Shore A O-Ring measuring an inside diameter of 3.737 in (94.92 mm), a cross section of 0.103 in (2.62 mm), and an outside diameter of 3.943 in (100.15 mm). In service, this o-ring delivers dependable bidirectional sealing in a compact groove envelope.

As a material, HNBR (Hydrogenated Nitrile) is known for long service life in refrigerant and oilfield duty, excellent abrasion and tear strength. This material stands up to ozone and weathering, heat and oxidation, and petroleum oils and fuels. Continuous operating temperature is published at -40°F (-40°C) to 325°F (162.8°C). It should not be specified for service in strong oxidizing acids or esters.

Common environments for this compound include commercial refrigeration, oilfield and downhole equipment, and engine timing systems.

This item is sold individually under part number HSN70154. Unit weight is approximately 1.969 g and nominal inside diameter is listed as 3 3/4 inch. Application requirements vary, so validate compatibility with your process conditions prior to installation. APG supports cross-referencing from drawings, samples and competitor numbers when a listed size is not an exact fit.