National Stock Number (NSN) 5920-00-142-7439, or NIIN 001427439, (fuseholder,block) was assigned January 1, 1963 in the Federal Logistics Information System (FLIS). This NIIN is Available for Manual Assignment. This NSN replaces 13 stock numbers. Five of the National Stock Numbers that it replaces are: 5920002298463, 5920005430556, 5961004109523, 5920002804045, 5920004213078.
There are 47 manufacturer part numbers associated with this NSN. 30 of those part number(s) are considered obsolete. The manufacturer part numbers were originally supplied by 31 suppliers. Today, 17 suppliers are listed as Active suppliers for this NSN. Of the active suppliers, only one supplier is deemed design controlled or valid supply parts. ISO Group has several sources of supply for this NSN.
This part number has not been procured by the US Government in over a year. There have been 7 contracts issued for this part number, with 7 awards given. There is minimal competition for this NSN. The US Government has awarded contracts to 5 different suppliers. The last contract numbers awarded were: SPE7M523V5511, SPE7M523V4005, SPE7M522P5683, SPEHA622P0086, SPE7M517V9173. The total value of the awarded contracts has been US$ 5,273.27.
This NSN is very common among different weapons systems, belonging to 105 different platforms.
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 Dec 16, 2010, this NSN's acquisition method was noted as: Acquire directly from the actual manufacturer, whether or not the prime contractor is the actual manufacturer. 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) 28908. [A FUSEHOLDER IN WHICH THE FUSEHOLDER STUD AND/OR CLIPS AND INSULATION ARE MOUNTED ON A FLAT BASE. EXCLUDES:FUSEHOLDER, RECEPTACLE.]. 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 5920001427439 does not contain precious metals.
This NSN is associated to Schedule B 8548900100: electrical parts of machinery or apparatus not specified or included elsewhere in chapter 85. The Schedule B End Use is listed as electric apparatus. NAICS classification category 335999: all other miscellaneous electrical equipment and component manufacturing.
This information was last updated on Jun 01, 2025.