National Stock Number
5961-01-129-7561
National Stock Number (NSN) 5961-01-129-7561, or NIIN 011297561, (semiconductor device,thyristor) was assigned April 10, 1982 in the Federal Logistics Information System (FLIS). This NIIN is Available for Manual Assignment. This NSN does not replace any other NSNs.
There are 4 manufacturer part numbers associated with this NSN. 2 of those 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, 2 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 fairly common among different weapons systems, belonging to 11 different platforms.
Based on a planned procurement review by the Primary Inventory Control Activity (PICA) on Dec 19, 2007, this NSN's acquisition method was noted as: Suitable for Competitive Acquisition. (Potential sources shall include dealers/distributors.) 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 5961011297561 does not contain precious metals.
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 Jul 01, 2025.