350585-4 is a pin header assembly for 5.0 mm Power Key Connectors (5.0 PKC), a wire-to-board connector system designed for power circuits in home appliances, particularly gas appliances. This specific part is a 12-circuit pin header with UL94V-0 flammability rating, standard tail configuration, and pre-tin finish, featuring an A dimension of 1.050 inches (26.67 mm). The connector system incorporates a compact design with 19.4 mm mated height and includes protective features such as locking levers surrounded by walls to prevent tangling with wires, double lock plates for complete contact loading, and bubble-release design for potted applications. The pre-tin contact finish ensures reliable electrical connections, and the duplex configuration option provides flexibility for various circuit requirements. These connectors are recognized by Underwriters Laboratories (File No. E28476) and certified by Canadian Standards Association (File No. LR7189), making them suitable for demanding power distribution applications requiring safety compliance and durability.