National Stock Number
                                            5961-01-058-8021
                                    
                                
                            
                            
                                National Stock Number (NSN) 5961-01-058-8021, or NIIN 010588021, (semiconductor device set) was assigned April 1, 1978 in the Federal Logistics Information System (FLIS).  NIIN 010588021 was cancelled on January 1, 2003, with a cancelled status of "Item is Cancelled WITHOUT Replacement." There is no known replacement specified for this stock number. 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. 
 
   
This NSN is assigned to Item Name Code (INC) 20590. [A GROUPING OF TWO OR MORE INDIVIDUAL SEMICONDUCTOR DEVICES, SUCH AS TRANSISTORS, DIODES, AND PHOTO SEMICONDUCTOR DEVICES. IT INCLUDES MATCHED PAIRS. EXCLUDES:ABSORBER, OVERVOLTAGE; SEMICONDUCTOR DEVICE ASSEMBLY. FOR INTERCONNECTED ITEMS FUNCTIONING AS POWER SUPPLY RECTIFIERS, SEE RECTIFIER, SEMICONDUCTOR DEVICE.]. This item does not have a critical feature such as tolerance, fit restrictions or application. Nuclear hardness properties have not been determined (not valid for input). There is no data in the HMIRS and the NSN is in an FSC not generally suspected of containing hazardous materials. NSN 5961010588021 contains an unknown precious metal. 
This information was last updated on Aug 01, 2025.