National Stock Number
5961-01-257-1240
National Stock Number (NSN) 5961-01-257-1240, or NIIN 012571240, (semiconductor devices,unitized) was assigned June 12, 1987 in the Federal Logistics Information System (FLIS). This NIIN is Available for Manual Assignment. This NSN does not replace any other NSNs.
There are 3 manufacturer part numbers associated with this NSN. One of those part number(s) are considered obsolete. The manufacturer part numbers were originally supplied by 3 suppliers. Today, 2 suppliers are listed as Active suppliers for this NSN. Of the active suppliers, only one supplier is 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 very common among different weapons systems, belonging to 26 different platforms.
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: Acquire directly from the actual manufacturer, whether or not the prime contractor is the actual manufacturer. This part requires engineering source approval by the design control activity in order to maintain the quality of the part. An alternate source must qualify in accordance with the design control activity's procedures, as approved by the cognizant Government engineering activity. Valid AMCs: 1, 2, 3, 4 and 5.
This NSN is assigned to Item Name Code (INC) 61962. [TWO OR MORE DISCRETE SEMICONDUCTOR DEVICES SUCH AS DIODE(S) AND/OR TRANSISTOR(S), PERMANENTLY CASED, ENCAPSULATED, OR POTTED TOGETHER TO FORM AN INSEPARABLE UNIT. EXCLUDES:DEVICES HAVING ONE OR MORE COMPONENTS OTHER THAN SEMICONDUCTOR DEVICES. THE INDIVIDUALLY DISTINCT DEVICES FORMING THE UNIT MAY BE INTERNALLY CONNECTED. THE UNIT IN ITSELF DOES NOT PERFORM A COMPLETE SPECIFIC FUNCTION AND CANNOT BE ASSIGNED A MORE DEFINITE ITEM NAME. IT MAY INCLUDE OR CONSIST OF INSEPARABLE MATCHED PAIRS. MAY OR MAY NOT INCLUDE MOUNTING HARDWARE AND/OR HEATSINK. FOR INTERCONNECTED ITEMS ARRANGED IN STACK(S), SEE RECTIFIER, SEMICONDUCTOR DEVICE. FOR ITEMS FORMED ON OR WITHIN A SEMICONDUCTOR MATERIAL SUBSTRATE, FORMED ON AN INSULATING SUBSTRATE OR FORMED ON A COMBINATION OF BOTH OF THESE TYPES, SEE MICROCIRCUIT (AS MODIFIED). EXCLUDES:NETWORK (AS MODIFIED); ABSORBER, OVERVOLTAGE; SEMICONDUCTOR DEVICE SET; AND SEMICONDUCTOR DEVICE ASSEMBLY. DO NOT USE IF MORE SPECIFIC NAME APPLIES.]. 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 5961012571240 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.