National Stock Number
5961-01-028-9805
National Stock Number (NSN) 5961-01-028-9805, or NIIN 010289805, (semiconductor device,thyristor) was assigned October 13, 1976 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. 3 of those part number(s) are considered obsolete. The manufacturer part numbers were originally supplied by 3 suppliers. Today, 2 suppliers are listed as Active suppliers for this NSN. Of the active suppliers, only one supplier is 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 Jul 02, 2005, 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) 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 5961010289805 contains an unknown precious metal.
This NSN is associated to Schedule B 8541300080: thyristors, diacs & triacs, other than photosensitive devices, nesoi. The Schedule B End Use is listed as semiconductors. NAICS classification category 334413: semiconductor and related device manufacturing.
This information was last updated on Aug 01, 2025.