National Stock Number (NSN) 5961-01-147-8971, or NIIN 011478971, (semiconductor device,diode) was assigned February 24, 1983 in the Federal Logistics Information System (FLIS). This NIIN is Available for Manual Assignment. This NSN replaces 2 stock numbers: 5961015276665, 5961015264298.
There are 7 manufacturer part numbers associated with this NSN. 2 of those part number(s) are considered obsolete. The manufacturer part numbers were originally supplied by 10 suppliers. Today, 8 suppliers are listed as Active suppliers for this NSN. Of the active suppliers, 6 suppliers are deemed design controlled or valid supply parts. ISO Group has a strong supply network for this NSN, with 24 sources of supply.
This part number has not been procured by the US Government in over a year. There have been 8 contracts issued for this part number, with 19 awards given. There is minimal competition for this NSN. The US Government has awarded contracts to 3 different suppliers. The last contract numbers awarded were: SPE7M523P5633, SPE7M520P4444, SPE7M519PA849, SPE7M516M3326, SPE7M515V0944. The total value of the awarded contracts has been US$ 8,511.42.
This NSN is fairly common among different weapons systems, belonging to 24 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 Oct 08, 2010, this NSN's acquisition method was noted as: Suitable for Competitive Acquisition. (Potential sources shall include dealers/distributors.) 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) 20589. [A TWO ELECTRODE SEMICONDUCTOR DEVICE HAVING AN ASYMMETRICAL VOLTAGE - CURRENT CHARACTERISTIC. MAY OR MAY NOT INCLUDE MOUNTING HARDWARE AND/OR HEATSINK. EXCLUDES:LIGHT EMITTING DIODE AND SEMICONDUCTOR DEVICE,PHOTO. FOR ITEMS CONTAINING MATERIAL SUCH AS SELENIUM AND COPPER OXIDE, SEE RECIFIER, METALLIC.]. 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 5961011478971 does not contain precious metals.
This NSN is associated to Schedule B 8541100070: diodes, other than photosensitve or led, with a maximum current of 0.5 a or less. 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.