MIL-E-1/781 Revision D, May 5, 1975
ELECTRON TUBE,THYRATRON, TYPE 6D4
Includes all amendments and changes through Validation Notice 2, September 5, 2002
Additional Comments: RENUMBERED AS MIL-PRF-1/781
This specification is approved for use by all Departments and Agencies of the Department of Defense.
The complete requirements for procuring the electron tube described herein shall consist of this document and the latest issue of Specification MIL-E-1.