568-245 BLACK HNBR HSN70 O-Ring

This o-ring is supplied in AS568-245 black HNBR (Hydrogenated Nitrile) 70 Shore A supplied with an inside diameter of 4.359 in (110.72 mm), a cross section of 0.139 in (3.53 mm), and an outside diameter of 4.637 in (117.78 mm), catalogued under part number HSN70245. It provides a reliable static or dynamic seal by deforming into its gland under assembly load.

This material stands up to petroleum oils and fuels, sour gas and amine inhibitors, and modern refrigerants. HNBR (Hydrogenated Nitrile) is widely chosen for excellent abrasion and tear strength, the oil resistance of nitrile with substantially better heat capability. Published continuous service range is -40°F (-40°C) to 325°F (162.8°C). Verify compatibility before use with esters or ketones.

It sees regular use in heavy-duty powertrain, oilfield and downhole equipment, and automotive air conditioning.

Order part number HSN70245, sold individually. Unit weight is approximately 4.2681 g. Application requirements vary, so validate compatibility with your process conditions prior to installation.