National Stock Number
5961-00-997-9557
National Stock Number (NSN) 5961-00-997-9557, or NIIN 009979557, (transistor) was assigned November 14, 1966 in the Federal Logistics Information System (FLIS). NIIN 009979557 was cancelled on January 2, 2009, with a cancelled status of "Item is Cancelled - USE." This NSN was replaced by NSN 5961008923405. This NSN does not replace any other NSNs.
There is only one manufacturer part number associated with this NSN. None of the associated 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. 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.
There has been very little demand for this national stock number. The demand for this NSN originated from less than 5 countries.
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 5961009979557 contains an unknown precious metal.
This information was last updated on Jul 01, 2025.