The M80-5400442 is a male horizontal PC tail connector from the Datamate J-Tek series, designed for reliable board-level interconnection with female Datamate J-Tek connectors. It features polarised mouldings and fully shrouded contacts to ensure proper mating and protection against accidental contact. The connector is available with or without jackscrews and includes board mount provisions with two bolts per connector for secure PCB strain relief. The finish is specified as gold with tin plating (42 designation), and the connector accommodates 2 total contacts as indicated in the ordering scheme. This connector is commonly used in industrial and commercial applications requiring robust, polarised connections with strain relief on printed circuit boards.