MIL-PRF-1/868 Complete Document History
Electron Tube, Negative Grid (Microwave) Type 2C40a

Complete Current Edition:
   REVISION G - Electron Tube, Negative Grid (Microwave) Type 2C40A - May 10, 2018

Obsolete Revision Information:
   REVISION F - Electron Tube, Negative Grid (Microwave) Type 2C40a - June 18, 2008