National Stock Number
5961-00-434-2520
National Stock Number (NSN) 5961-00-434-2520, or NIIN 004342520, (semiconductor device assembly) was assigned February 5, 1972 in the Federal Logistics Information System (FLIS). This NIIN is Available for Manual Assignment. This NSN replaces 4 stock numbers: 5961011034621, 5961009224845, 5961010671331, 5961000072031.
There are 11 manufacturer part numbers associated with this NSN. 3 of those part number(s) are considered obsolete. The manufacturer part numbers were originally supplied by 7 suppliers. Today, 5 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.
This NSN is somewhat common among different platforms, belonging to 3 different weapons systems.
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 Dec 10, 2014, 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 data needed to produce this item from additional sources is not physically available. Valid AMCs: 3, 4 and 5.
This NSN is assigned to Item Name Code (INC) 35565. [A GROUPING OF TWO OR MORE SEMICONDUCTING DEVICES SUCH AS LIGHT EMITTING DIODE; SEMICONDUCTOR DEVICE, DIODE; SEMICONDUCTOR DEVICE, PHOTO; SEMICONDUCTOR DEVICE, THYRISTOR; AND/OR TRANSISTOR MOUNTED ON A COMMON MOUNTING OR MOUNTED ON EACH OTHER. THE DEVICES MUST BE SEPARABLE AND EACH ITEM MUST BE CAPABLE OF FUNCTIONING IN ACCORDANCE WITH ITS GIVEN NAME. FOR ASSEMBLIES CONSISTING OF SEMICONDUCTING DEVICES PERMANENTLY CASED, ENCAPSULATED, OR POTTED TOGETHER TO FORM A SINGLE UNIT, SEE RECTIFIER, SEMICONDUCTOR DEVICE, UNITIZED AND SEMICONDUCTOR DEVICES, UNITIZED. EXCLUDES:SEMICONDUCTOR DEVICE SET; MICROCIRCUIT ASSEMBLY; AND MICROCIRCUIT SET. SEE ALSO ABSORBER, OVERVOLTAGE.]. 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 5961004342520 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 Jul 01, 2025.