MIL-E-1/868 › Complete Document History
Electron Tube, Negative Grid (Microwave) Type 2C40A

Complete Current Edition:
   RENUMBERED - MIL-PRF-1/868 - June 18, 2008

Obsolete Revision Information:
   REV E AMENDMENT 2 - AMENDMENT 2 FOR REVISION E - Dec. 2, 2002
   REV E INACTIVATION 2 - INACTIVATION NOTICE 2, REV E - July 21, 1997
   REV E VALIDATION 1 - VALIDATION NOTICE 1 FOR REV E - April 17, 1987
   REV E AMENDMENT 1 - AMENDMENT 1 FOR REVISION E - May 9, 1977
   REVISION E - Electron Tube, Negative Grid (Microwave) Type 2C40A - March 17, 1977