National Stock Number
5961-00-422-1576
National Stock Number (NSN) 5961-00-422-1576, or NIIN 004221576, (semiconductor device,thyristor) was assigned December 23, 1970 in the Federal Logistics Information System (FLIS). NIIN 004221576 was cancelled on April 16, 2009, with a cancelled status of "Item is Cancelled - USE." This NSN was replaced by NSN 5961004594005. 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 4 suppliers. Today, 3 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.
This NSN is assigned to Item Name Code (INC) 33096. [A BISTABLE SEMICONDUCTOR DEVICE COMPRISING THREE OR MORE JUNCTIONS WHICH IS NORMALLY A NONCONDUCTOR UNTIL THE APPLICATION OF A SIGNAL TO A GATE TERMINAL, AT WHICH TIME THE DEVICE SWITCHES TO THE CONDUCTIVE STATE. INCLUDES DEVICES CAPABLE OF BEING SWITCHED BACK TO THE NONCONDUCTIVE STATE UPON APPLICATION OF A DIFFERENT SIGNAL TO THE SAME OR ANOTHER GATE TERMINAL. MAY OR MAY NOT INCLUDE MOUNTING HARDWARE AND/OR HEATSINK. FOR SOLID STATE DEVICES WHICH ARE RESPONSIVE TO VISIBLE OR INFRARED RADIANT ENERGY, SEE SEMICONDUCTOR DEVICE, PHOTO.]. 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 5961004221576 does not contain precious metals.
This information was last updated on Jul 01, 2025.