National Stock Number
5920-01-255-0816
National Stock Number (NSN) 5920-01-255-0816, or NIIN 012550816, (fuse cutout,primary expulsion) was assigned May 15, 1987 in the Federal Logistics Information System (FLIS). This NIIN is Available for Manual Assignment. This NSN does not replace any other NSNs.
There is only one manufacturer part number associated with this NSN. None of the associated part number(s) are considered obsolete. The manufacturer part numbers were originally supplied by one supplier. Today, there are no suppliers listed as an Active supplier 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.
There has been very little 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 19, 2013, 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) 05385. [A DEVICE DESIGNED TO PROTECT HEAVY DUTY ELECTRICAL POWER AND LIGHTING PRIMARY CIRCUITS AND EQUIPMENT AGAINST EXCESSIVE ELECTRICAL CURRENTS BY AUTOMATICALLY DE-ENERGIZING THE AFFECTED SECTION OF THE CIRCUIT. CONSISTS OF A FUSIBLE ELEMENT AND A MECHANISM FOR QUICK DISCONNECT OF CIRCUIT WHEN FUSE IS BLOWN. MAY BE DESIGNED FOR AUTOMATIC RE-ENERGIZING AFTER A PREDETERMINED TIME DELAY.]. 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 5920012550816 does not contain precious metals.
This NSN is associated to Schedule B 8535100020: fuses in circuits of 2,300 v or more. 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.