HSN (HNBR) 80 568-428

This o-ring is supplied in AS568-428 green HNBR (Hydrogenated Nitrile) 80 Shore A built to an inside diameter of 4.85 in (123.19 mm), a cross section of 0.275 in (6.99 mm), and an outside diameter of 5.4 in (137.16 mm), catalogued under part number HSN80428. It compresses into its gland to block fluid or gas migration across a joint.

The compound resists petroleum oils and fuels, heat and oxidation, and modern refrigerants. HNBR (Hydrogenated Nitrile) is specified for excellent abrasion and tear strength, long service life in refrigerant and oilfield duty. Service temperature is rated from -40°F (-40°C) through 325°F (162.8°C).

It sees regular use in commercial refrigeration, heavy-duty powertrain, and automotive air conditioning.

Order part number HSN80428, sold individually. Unit weight is approximately 20.624 g. 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.