A hollow electrical socket connector, having an outside surface and an interior surface to define an interior space adaptable to connectably receive generally cylindrical electrical contact pin. The socket is equipped with at least a double break radius crimp, on its outside surface and extending into said interior space to define a double crimp beam. The double break radius crimp forms at least two contact points in said socket interior to form a vibration resistant electrical connection between said socket and said cylindrical electrical contact pin.