2-106527-4 is an AMP Soft Shell pin and socket connector header designed for wire-to-board interconnection applications. The connector features phosphor bronze hold-downs with tin plating over nickel (0.00254 mm minimum tin, 0.00127 mm minimum nickel), providing reliable electrical contact and corrosion resistance. The housing is constructed from 6/6 Nylon material rated UL 94V-0 with a CTI rating of 600 V or higher, ensuring durability and safety in demanding environments. This 4-position connector is compatible with single row receptacle housings and is RoHS compliant, making it suitable for modern electronic assemblies requiring environmentally responsible components. Common applications include industrial control systems, telecommunications equipment, and consumer electronics where reliable, compact interconnections are essential.