National Stock Number
5920-00-177-1978
National Stock Number (NSN) 5920-00-177-1978, or NIIN 001771978, (fuse,cartridge) was assigned May 15, 1970 in the Federal Logistics Information System (FLIS). This NIIN is Available for Manual Assignment. This NSN replaces 1 stock number, 5920002433809.
There are 7 manufacturer part numbers associated with this NSN. One of those part number(s) are considered obsolete. The manufacturer part numbers were originally supplied by 3 suppliers. Today, 2 suppliers are listed as Active suppliers for this NSN. Of the active suppliers, there are no suppliers that are 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 01, 2020, this NSN's acquisition method was noted as: Suitable for Competitive Acquisition. (Potential sources shall include dealers/distributors.) Acquisition of this part is controlled by QPL procedures. Valid AMCs: 1 and 2.
This NSN is assigned to Item Name Code (INC) 00248. [A FUSE IN WHICH THE ELEMENT IS INCLOSED IN A CYLINDRICAL BODY. THE ELEMENT MAY BE RENEWABLE. THE TERMINALS MAY BE OF VARYING TYPES. IT MAY CONTAIN A VISUAL INDICATION THAT THE FUSIBLE ELEMENT IS SEVERED, AND MAY ALSO PROVIDE AN AUDIBLE ALARM THROUGH AUXILIARY CIRCUITRY. FOR NONCYLINDRICAL ITEMS, SEE FUSE, INCLOSED LINK.]. 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 5920001771978 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 Aug 01, 2025.