770033-1 is a 3-circuit in-line plug front housing component for the 5.0 mm Power Key Connector (5.0 PKC) wire-to-board connector system manufactured by TE Connectivity/AMP. This housing is constructed from UL94V-0 nylon material and features a compact mated height of 19.4 mm with a 5.0 mm contact centerline spacing. The connector incorporates protective design elements including 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 housing is designed to mate with corresponding socket receptacles and accepts pin or socket contacts depending on the application configuration. This component is commonly used in power circuits for home appliances, particularly gas appliances, where reliable electrical connections and compact form factors are essential.