National Stock Number
                                            2920-01-683-5681
                                    
                                
                            
                            
                                National Stock Number (NSN) 2920-01-683-5681, or NIIN 016835681, (switch,engine starter,electrical) was assigned September 27, 2019 in the Federal Logistics Information System (FLIS). This NIIN is Available for Manual Assignment. This NSN does not replace any other NSNs. 
There are 3 manufacturer part numbers associated with this NSN. None of the associated part number(s) are considered obsolete. The manufacturer part numbers were originally supplied by 2 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 a year. There has been one contract issued for this part number, with one award given. The US Government has only awarded those contracts to one supplier. The last contract numbers awarded were: SPE7L521V0503. The total value of the awarded contracts has been US$ 656.67. 
 
There has been very little demand for this national stock number. The demand for this NSN originated from less than 5 countries. The 24 month forecast from the US Government for this part number has high volatility, with an estimated forecasted value of US$ 810. Based on a planned procurement review by the Primary Inventory Control Activity (PICA) on Sep 28, 2019, 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 is a commercial/non-developmental/off-the-shelf-item. Valid AMCs: 1, 2, 3, 4 and 5. 
This NSN is assigned to Item Name Code (INC) 17975. [A MANUALLY OPERATED ITEM SPECIFICALLY DESIGNED TO CLOSE THE CIRCUIT OF A STARTER, ENGINE, ELECTRICAL OR THE CONTROL CIRCUIT OF ITS ATTENDANT SOLENOID. IT MUST INCLUDE A VACUUM LOCK-OUT MECHANISM OR UTILIZE A SWITCH CONTACT INDEPENDENTLY MOUNTED ON THE STARTER. FOR SWITCHES WITH INTEGRAL CONTACTS AND NO VACUUM LOCK-OUT, SEE SWITCH (AS MODIFIED). SEE ALSO RELAY-SOLENOID, ENGINE STARTER, ELECTRICAL AND STARTER, MOTOR.]. This item does not have a nuclear hardened feature or any other critical feature such as tolerance, fit restriction or application. There is no data in the HMIRS and the NSN is in an FSC not generally suspected of containing hazardous materials. NSN 2920016835681 contains silver. 
This NSN is associated to Schedule B 8708998175: parts and accessories, for motor vehicles of headings 8701 to 8705, nesoi. The Schedule B End Use is listed as other parts and accessories of vehicles. 
This information was last updated on Aug 01, 2025.