National Stock Number
                                            1680-01-621-9050
                                    
                                
                            
                            
                                National Stock Number (NSN) 1680-01-621-9050, or NIIN 016219050, (regulator c668) was assigned September 22, 2013 in the Federal Logistics Information System (FLIS).   This NSN does not replace any other NSNs. 
There is only one manufacturer part number associated with this NSN. One of those part number(s) are considered obsolete. The manufacturer part numbers were originally supplied by 4 suppliers. Today, 4 suppliers are listed as Active suppliers for this NSN. Of the active suppliers, 3 suppliers 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 Jun 24, 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.  The data needed to produce this item from additional sources is not physically available. Valid AMCs: 3, 4 and 5. 
This NSN is assigned to Item Name Code (INC) 77777. Item has not been reviewed for Flight Safety Critical Aircraft Part (FSACP), Critical Safety Item (CSI), or Critical Application Item (CAI) purposes by an approved engineering authority. There is no data in the HMIRS and the NSN is in an FSC not generally suspected of containing hazardous materials. NSN 1680016219050 does not contain precious metals. 
This information was last updated on Aug 01, 2025.