P/N: Dk621-0412-P, Mil 1553B Data Bus Discreteconnectors, Threaded Styles, Pin, Jack , P/N: Dk621-0412-S, Mil 1553B Data Bus Discrete Connectors,Threaded Styles, Socket, Jack , P/N: Dk621-0411-S, Mil1553B Data Bus Discrete Connectors, Threadedstyles, Socket, Plug , P/N: Dk621-0411-P, Mil 1553Bdata Bus Discrete Connectors, Threaded Styles, Pin,Plug Quantity: 120