DS EN 3373-011:2009 Aerospace Series - Terminal Lugs And In-Line Splices For Crimping On Electric Conductors - Part 011: Terminal Lugs, Ring Shaped, Nickel Plated, For Crimping On Copper Conductors, Temperature Up To 260 Degrees C For Metric And Inch Stud Series - Product Standard Describes the characteristics of nickel plated copper ring shaped terminals for crimping on nickel plated copper conductors.