MIL-E-1/195 Revision B, November 18, 1968
ELECTRON TUBE, TYPES 0B3,0B3A
Includes all amendments and changes through Amendment 1, February 26, 1971
Additional Comments: CNCL S/S BY MIL-PRF-1/195
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.