1586534-2 is a 4-position PCB pin header designed for use in 5.0 mm Power Key Connector (5.0 PKC) wire-to-board applications. This vertical socket header features a pre-tin duplex finish with gold plating in the mating area and matte tin on the solder tail, with a positive lock mechanism for secure connections. The connector has a 5.0 mm contact centerline and a compact mated height of 19.4 mm, with an A dimension of 0.915 inches (23.24 mm). It is designed for use with 0.062 inch (1.57 mm) thick PC boards and mates with socket housing part number 1-480722-0. Common applications include power circuits in home appliances, particularly gas appliances, where reliable power connections are essential.