The 350586-4 is a 9-circuit pin header connector designed for wire-to-board power applications within the 5.0 mm Power Key Connector (5.0 PKC) family manufactured by TE Connectivity/AMP. This connector features a duplex finish with pre-tin plating and is rated UL94V-2 for flammability. The header has a standard tail dimension of 0.800 inches (20.32 mm) and is compatible with Universal MATE-N-LOK II plug housings using socket contacts. The connector incorporates a compact design with 19.4 mm mated height, clear clicking sound for easier contact insertion, and double lock plates for complete contact loading. It is particularly suited for power circuits in home appliances, especially gas appliances, where reliable electrical connections and safety certifications are essential.