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		                        | National Stock Number:
 5960-00-548-8905
 
 Federal Supply Class:
 5960
 
 National Item Identification Number:
 005488905
 
 Description:
 ELECTRON TUBE
 
 Detail:
 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).
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 Manufacturer Information:
 
 | 5903 | 81349 | MILITARY SPECIFICATIONS PROMULGATED BY MILITARY DEPARTMENTS/AGENCIES UNDER AUTHORITY OF DEFENSE STANDARDIZATION MANUAL 4120 3-M |  | 5903 | C4751 | EPCOS AG |  | MILE1-176 | 81349 | MILITARY SPECIFICATIONS PROMULGATED BY MILITARY DEPARTMENTS/AGENCIES UNDER AUTHORITY OF DEFENSE STANDARDIZATION MANUAL 4120 3-M |  | 5903 | D1180 | EPCOS AG ABT. PR ROE K PM | 
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 Techincal Specification:
 
 | NONDEFINITIVE SPEC/STD DATA | 5903 TYPE |  | SPECIAL FEATURES | ENVELOPE MATERIAL: GLASS |  | TUBE TYPE | DIODE | 
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