National Stock Number
5920-00-199-9501
National Stock Number (NSN) 5920-00-199-9501, or NIIN 001999501, (fuse,indicator alarm) was assigned January 1, 1963 in the Federal Logistics Information System (FLIS). This NIIN is Available for Manual Assignment. This NSN replaces 5 stock numbers: 5920002850533, 5920005835730, 5920008378158, 5920002433684, 5920005783646.
There are 3 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, 2 suppliers are listed as Active suppliers for this NSN. Of the active suppliers, only one supplier is deemed design controlled or valid supply parts.
This part number has not been procured by the US Government in over 5 years.
Based on a planned procurement review by the Primary Inventory Control Activity (PICA) on Apr 02, 2006, this NSN's acquisition method was noted as: Suitable for competitive acquisition for the first time. (Potential sources shall include dealers/distributors.) This part requires engineering source approval by the design control activity in order to maintain the quality of the part. An alternate source must qualify in accordance with the design control activity's procedures, as approved by the cognizant Government engineering activity. Valid AMCs: 1, 2, 3, 4 and 5.
This NSN is assigned to Item Name Code (INC) 00250. [A FUSE IN WHICH THE ELEMENT MAY OR MAY NOT BE ENCLOSED. IT IS SPECIFICALLY DESIGNED TO CLOSE AN AUXILIARY CIRCUIT. WHEN THE FUSE ELEMENT IS BROKEN, IT MAY PROVIDE A VISUAL SIGNAL.]. 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 5920001999501 contains an unknown precious metal.
This NSN is associated to Schedule B 8536100040: fuses, except glass cartridge, for a voltage not exceeding 1,000 v. The Schedule B End Use is listed as electric apparatus. NAICS classification category 335313: switchgear and switchboard apparatus manufacturing.
This information was last updated on Jul 01, 2025.