National Stock Number (NSN) 5961-00-451-7378, or NIIN 004517378, (transistor) was assigned May 17, 1971 in the Federal Logistics Information System (FLIS). This NIIN is Available for Manual Assignment. This NSN does not replace any other NSNs.
There are 5 manufacturer part numbers associated with this NSN. 3 of those part number(s) are considered obsolete. The manufacturer part numbers were originally supplied by 4 suppliers. Today, 4 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, with the most recent procurement date of Dec 11, 2014. There have been 2 contracts issued for this part number, with 2 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: SPE7M515V1029, SPE7M514M6295. The total value of the awarded contracts has been US$ 1,924.25.
This NSN is fairly common among different weapons systems, belonging to 12 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 Jan 11, 2020, this NSN's acquisition method was noted as: Acquire directly from the actual manufacturer, whether or not the prime contractor is the actual manufacturer. The Government physically does not have in its possession sufficient, accurate, or legible data to purchase this part from other than current source(s). (NOTE: This code is applicable only to parts under immediate buy requirements and only as long as the deficiency is under review for resolution and appropriate recoding.) Valid AMCs: 1, 2, 3, 4 and 5.
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 5961004517378 contains an unknown precious metal.
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.