MIL-C-6781B, MILITARY SPECIFICATION: CONTROL PANEL: AIRCRAFT EQUIPMENT, RACK OR CONSOLE MOUNTED (13 SEP 1960)

MIL-C-6781B, MILITARY SPECIFICATION: CONTROL PANEL: AIRCRAFT EQUIPMENT, RACK OR CONSOLE MOUNTED (13 SEP 1960)., This specification covers general requirements for the design and construction of two types of control panels for use with airborne equipment, and is intended primarily for mounting on a rack or control console in the pilot's cockpit.