National Stock Number
5961-01-290-0551
National Stock Number (NSN) 5961-01-290-0551, or NIIN 012900551, (semiconductor device,thyristor) was assigned December 5, 1988 in the Federal Logistics Information System (FLIS). This NIIN is Available for Manual Assignment. This NSN does not replace any other NSNs.
There are 2 manufacturer part numbers associated with this NSN. One of those part number(s) are considered obsolete. The manufacturer part numbers were originally supplied by one supplier. Today, one supplier is listed as an Active supplier 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, with the most recent procurement date of Apr 17, 2013. There has been one contract issued for this part number, with one award given. The US Government has only awarded those contracts to one supplier. The last contract numbers awarded were: SPM7M613M1495. The total value of the awarded contracts has been US$ 330.00.
This NSN is unique to one weapons system.
There has been very little demand for this national stock number. The demand for this NSN originated from less than 5 countries. Based on a planned procurement review by the Primary Inventory Control Activity (PICA) on Apr 26, 2008, this NSN's acquisition method was noted as: Acquire only from the prime contractor although the engineering data identifies the Commercial and Government Entity Code (CAGE) and part number of a source other than the prime contractor. The annual buy value of this part falls below the screening threshold of $10,000 but it has been screened for known source(s). (NOTE: This code shall not be used when screening parts entering the inventory. It shall not be assigned in preference to or supersede any other AMSC.) 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 5961012900551 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 Aug 01, 2025.