The TE Connectivity / AMP Brand part 1-1604256-1 is a rectangular power connector housing designed for wire-to-wire or wire-to-panel connections. It features a receptacle design, allowing for easy insertion and removal of male terminals. The connector has a 4 position configuration and a centerline spacing of 6.35 mm (.25 in), making it suitable for various power applications. It is compatible with Universal MATE-N-LOK connectors, ensuring a secure and reliable connection.