Designed for high quality communication equipment to meet military requirements, This series features one-piece tip rod and one-piece sleeve and plug body, assembled together into a mode as inserts, providing a finished plug with complete continuity of thermoplastic insulation between top rod and plug sleeve. Internal (invisible externally) interlock mechanically engages the metal and plastic components providing a realistic lock to prevent parts shifting. Design and material in accordance with MIL-P-642(A), manufacturers trademark appears on plug body.