National Stock Number
5961-00-139-1931
National Stock Number (NSN) 5961-00-139-1931, or NIIN 001391931, (transistor) was assigned August 25, 1971 in the Federal Logistics Information System (FLIS). This NIIN is Available for Manual Assignment. This NSN replaces 3 stock numbers: 5961010141598, 5961002846843, 5961004659901.
There are 18 manufacturer part numbers associated with this NSN. 4 of those part number(s) are considered obsolete. The manufacturer part numbers were originally supplied by 16 suppliers. Today, 12 suppliers are listed as Active suppliers for this NSN. Of the active suppliers, there are no suppliers that are deemed design controlled or valid supply parts. ISO Group has several sources of supply for this NSN.
This part number has not been procured by the US Government in over 5 years, with the most recent procurement date of Sep 21, 2019. There have been 3 contracts issued for this part number, with 3 awards given. There is minimal competition for this NSN. The US Government has awarded contracts to 2 different suppliers. The last contract numbers awarded were: SPM5E119FA799, SPM7M111MVQ07, SPM7M111MVQ07, SPM7M111VM771, SPM7M111VM771. The total value of the awarded contracts has been US$ 9,120.86.
This NSN is very common among different weapons systems, belonging to 134 different platforms.
There has been a small amount of 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 Aug 02, 2006, this NSN's acquisition method was noted as: Suitable for Competitive Acquisition. (Potential sources shall include dealers/distributors.) Acquisition of this part is controlled by QPL procedures. Valid AMCs: 1 and 2.
This NSN is assigned to Item Name Code (INC) 20588. [AN ACTIVE SEMICONDUCTOR DEVICE WITH THREE OR MORE ELECTRODES. MAY OR MAY NOT INCLUDE MOUNTING HARDWARE AND/OR HEATSINK. EXCLUDES:SEMICONDUCTOR DEVICE, DIODE AND SEMICONDUCTOR DEVICE, THYRISTOR. 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 but does have other critical feature(s) 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 5961001391931 does not contain precious metals.
This NSN is associated to Schedule B 8541500080: semiconductor 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.