NPFC - MIL-P-642
PLUGS, TELEPHONE, AND ACCESSORY SCREWS, GENERAL SPECIFICATION FOR
|Publication Date:||27 February 1979|
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.
The telephone plugs covered by this specification are primarily for use in airborne, ground support, and shipboard communications equipment.