MIL-E-1/290 Revision D, February 1, 1971
ELECTRON TUBE, RECEIVING TYPE OA2WA
Includes all amendments and changes through Amendment 1, December 2, 2002
Additional Comments: RENUMBERED AS MIL-PRF-1/290
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.