National Stock Number
5960-00-654-3639
National Stock Number (NSN) 5960-00-654-3639, or NIIN 006543639, (electron tube) was assigned January 1, 1963 in the Federal Logistics Information System (FLIS). This NIIN is Available for Manual Assignment. This NSN does not replace any other NSNs.
There are 5 manufacturer part numbers associated with this NSN. 2 of those part number(s) are considered obsolete. The manufacturer part numbers were originally supplied by 6 suppliers. Today, 3 suppliers are listed as Active suppliers for this NSN. Of the active suppliers, 3 suppliers are deemed design controlled or valid supply parts.
This part number has not been procured by the US Government in over 5 years.
There has been very little demand for this national stock number. The demand for this NSN originated from less than 5 countries.
This NSN is assigned to Item Name Code (INC) 00001. [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).]. This item does not have a nuclear hardened feature or any other critical feature such as tolerance, fit restriction or application. There is no information in the HMIRS; however, the NSN is in an FSC in Table II of Federal Standard 313 and an MSDS may be required by the user. The requirement for an MSDS is dependent on a hazard determination of the supplier or the intended end use of the product. NSN 5960006543639 contains an unknown precious metal.
This NSN is associated to Schedule B 8540890020: gas and vapor electron tubes, nesoi. The Schedule B End Use is listed as telecommunications equipment.
This information was last updated on Aug 01, 2025.