MIL-E-1/1261 Revision F, March 21, 1972
ELECTRON TUBES, CATHODE RAY TYPES 12ABP1A, 12ABP7A
Includes all amendments and changes through Notice 1, April 17, 1987
Additional Comments: CNCL S/S BY MIL-PRF-1/1261
The complete requirements for procuring the electron tube described herein shall consist of this document and the latest issue of MIL-E-1.