MIL-E-1/56 › Complete Document History
Electron Tube, Power Type 6C21 (No Superseding Document)


Obsolete Revision Information:
   REV E CANCELLATION 1 - ELECTRON TUBE, POWER TYPE 6C21 - Aug. 21, 1990
   REV E AMENDMENT 1 - ELECTRON TUBE, POWER TYPE 6C21 - Dec. 9, 1983
   REVISION E - Electron Tube, Power Type 6C21 - Feb. 11, 1976