420pc HNBR Hydrogenated Nitrile Green Air Conditioner O Ring Assortment RG2896

Contains 18 popular sizes

ranging from 5.129mm to 17.04mm in diameter

Green HNBR O-Rings (HSN) 

Hydrogenated Nitrile O-Rings manufacturing process results in the superior heat, ozone, chemical resistance and mechanical characteristics of HNBR over standard Nitrile.