MIL-E-1/1048 Revision B, October 5, 1970
ELECTRON TUBES, TYPES 5AFP1,5AFP7
Additional Comments: CNCL S/S BY MIL-PRF-1/1048
The complete requirements for procuring the electron tubes 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.