MIL-E-1/999 Revision A, June 13, 1972
ELECTRON TUBE, GAS SWITCHING TYPE 6163
Includes all amendments and changes through Validation Notice 1, June 1, 1989
Additional Comments: CNCL S/S BY MIL-PRF-1/999
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.