MIL-PRF-1/343 Revision C, July 16, 1998
ELECTRON TUBE, RECEIVING TYPES 3Q4 AND 3V4
Includes all amendments and changes through Cancellation Notice 1, November 3, 2003
Additional Comments: CNCL NO S/S
This specification is approved for use by all Departments and Agencies of the Department of Defense.
The requirements for acquiring the electron tubes described herein shall consist of this document and the latest issue of MIL-PRF-1.