National Stock Number (NSN) 5960-00-140-8539, or NIIN 001408539, (electron tube) was assigned August 19, 1974 in the Federal Logistics Information System (FLIS). This NIIN is Available for Manual Assignment. This NSN does not replace any other NSNs.
There are 2 manufacturer part numbers associated with this NSN. 2 of those part number(s) are considered obsolete. The manufacturer part numbers were originally supplied by 4 suppliers. Today, 2 suppliers are listed as Active suppliers for this NSN. Of the active suppliers, 2 suppliers are deemed design controlled or valid supply parts.
This part number has not been procured by the US Government in over 5 years, with the most recent procurement date of Sep 25, 2019. There have been 5 contracts issued for this part number, with 5 awards given. The US Government has only awarded those contracts to one supplier. The last contract numbers awarded were: SPE7M519PA884, SPE7M518PE580, SPE7M517PE354, SPM7MX09D7060, SPM7MX09D7060. The total value of the awarded contracts has been US$ 194,968.40.
This NSN is somewhat common among different platforms, belonging to 6 different weapons systems.
There has been a small amount of demand for this national stock number. The demand for this NSN originated from less than 5 countries. Based on a planned procurement review by the Primary Inventory Control Activity (PICA) on Jan 13, 2009, this NSN's acquisition method was noted as: Suitable for Competitive Acquisition. (Potential sources shall include dealers/distributors.) The annual buy value of this part falls below the screening threshold of $10,000 but it has been screened for known source(s). (NOTE: This code shall not be used when screening parts entering the inventory. It shall not be assigned in preference to or supersede any other AMSC.) Valid AMCs: 1, 2, 3, 4 and 5.
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).]. Information is in the Hazardous Materials Information Resource System (HMIRS). NSN 5960001408539 does not contain precious metals.
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 Jul 01, 2025.