Check the listing for details. RAYTHEON / EIMAC ELECTRON TUBE 4X150A 5960-00-985-9059. Condition: New. Listed at 85.00 USD. 49956 RAYTHEON COMPANY 4X150A C 1 5 870 WINTER ST WALTHAM, MA 02451-1449 UNITED STATES TECHNICAL CHARACTERISTICS - FLIS -------------------------------- NSN: 5960-00-985-9059 INC: 00001 FIIG: A516K0 ITEM NAME: ELECTRON TUBE DEFINITION: An inclosure, including two or more electrodes, in which a flow of electrons may occur through a vacuum or a contained gas. The electronic conduction takes place either by means of electrons emitted from a cathode or by ionization of the contained gas. Includes phototubes (photoemissive type only), Geiger-Mueller tubes, traveling wave tubes, cathode ray tubes and microwave tubes (Klystron, magnetron, or the like). Excludes items whose primary purpose is to produce light energy. Also excludes PHOTOELECTRIC CELL; and SEMICONDUCTOR DEVICE (as modified). CHARACTERISTIC VALUE TUBE TYPE TETRODE SPECIAL FEATURES ENVELOPE MATERIAL :CERAMIC AND METAL DEFINITIVE GOVERNMENT 7034 SPEC/STD REFERENCE MANUFACTURERS CODE 81349 NON-DEFINITIVE GOVERNMENT MIL-PRF-1/160 SPEC/STD REFERENCE SPEC/STD CONTROLLING DATA 81349 MANUFACTURERS CODE