MIL-E-1/864 Revision E, February 9, 1972
ELECTRON TUBE, RECEIVING TYPE 6CL6
Includes all amendments and changes through Amendment 1, December 2, 2002
Additional Comments: RENUMBERED AS MIL-PRF-1/864
The complete requirements for procuring the electron tube described herein shall consist of this document and the latest issue of Specification MIL-E-1.
This specification is mandatory for use by all Departments and Agencies of the Department of Defense.