MIL-DTL-642E, DETAIL SPECIFICATION: PLUGS, TELEPHONE, AND ACCESSORY SCREWS, GENERAL SPECIFICATION FOR (04-APR-2014) [SUPERSEDING MIL-P-642D]

MIL-DTL-642E, DETAIL SPECIFICATION: PLUGS, TELEPHONE, AND ACCESSORY SCREWS, GENERAL SPECIFICATION FOR (04-APR-2014) [SUPERSEDING MIL-P-642D]., This specification covers telephone plugs used in telephone (including telephone switchboard consoles), telegraph, and teletype circuits, and for connecting headsets, handsets, and microphones into communications circuits.