National Stock Number
5961-01-178-2645
National Stock Number (NSN) 5961-01-178-2645, or NIIN 011782645, (transistor) was assigned May 3, 1984 in the Federal Logistics Information System (FLIS). NIIN 011782645 was cancelled on February 2, 2019, with a cancelled status of "Item is Cancelled - USE." This NSN was replaced by NSN 5961011129288. This NSN does not replace any other NSNs.
There are 2 manufacturer part numbers associated with this NSN. None of the associated part number(s) are considered obsolete. The manufacturer part numbers were originally supplied by 2 suppliers. Today, 2 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.
This part number has not been procured by the US Government in over 5 years.
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 Jul 28, 2020, this NSN's acquisition method was noted as: Acquire, for the first time, directly from the actual manufacturer rather than the prime contractor who is not the actual manufacturer. Acquisition of this part is restricted to source(s) specified on "Source Control", "Altered Item" or "Selected Item" drawings/documents. 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 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 5961011782645 does not contain precious metals.
This information was last updated on Aug 01, 2025.