National Stock Number (NSN) 5961-00-618-6553, or NIIN 006186553, (rectifier,semiconductor device,u) was assigned February 20, 1975 in the Federal Logistics Information System (FLIS). This NIIN is Available for Manual Assignment. This NSN replaces 3 stock numbers: 5961013826104, 5961011797137, 5961010748845.
There are 15 manufacturer part numbers associated with this NSN. 3 of those part number(s) are considered obsolete. The manufacturer part numbers were originally supplied by 13 suppliers. Today, 10 suppliers are listed as Active suppliers for this NSN. Of the active suppliers, 7 suppliers are 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, with the most recent procurement date of Mar 05, 2019. There have been 5 contracts issued for this part number, with 5 awards given. There is minimal competition for this NSN. The US Government has awarded contracts to 4 different suppliers. The last contract numbers awarded were: SPE7M519P5289, SPE7M517P7633, SPE7M917V2118, SPM7M612M2692, SPM7M612M2692. The total value of the awarded contracts has been US$ 4,850.26.
This NSN is very common among different weapons systems, belonging to 50 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 Apr 04, 2017, 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 annual buy value of this part falls below the screening threshold of $10,000 but it has been screened for known source(s). (NOTE: This code shall not be used when screening parts entering the inventory. It shall not be assigned in preference to or supersede any other AMSC.) Valid AMCs: 1, 2, 3, 4 and 5.
This NSN is assigned to Item Name Code (INC) 62108. [TWO OR MORE DIODE SEMICONDUCTOR DEVICES DESIGNED TO FUNCTION AS A UNIT IN CHANGING ALTERNATING CURRENT TO DIRECT CURRENT. THE DIODE DEVICES ARE INTERNALLY CONNECTED IN SERIES, AND ARE PERMANENTLY CASED, ENCAPSULATED, POTTED, OR MOLDED TOGETHER TO FORM AN INSEPARABLE UNIT. THESE UNITS MAY BE DESIGNED AS EITHER HALF-WAVE OR FULL-WAVE RECTIFIERS AND MAY BE MOUNTED TO FORM EITHER SINGLE PHASE OR THREE PHASE BRIDGES. FOR INTERCONNECTED ITEMS ARRANGED IN STACK(S), SEE RECTIFIER, SEMICONDUCTOR DEVICE. FOR ITEMS FABRICATED IN THE FORM OF A MONOLITHIC OR THIN FILM STRUCTURE THAT PERFORM THE FUNCTION OF A CIRCUIT, SEE INTEGRATED CIRCUIT (AS MODIFIED). EXCLUDES SEMICONDUCTOR DEVICES, UNITIZED; SEMICONDUCTOR DEVICE ASSEMBLY; AND RECTIFIER NETWORK, UNITIZED.]. 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 5961006186553 does not contain precious metals.
This NSN is associated to Schedule B 8541900000: diode, transistor & similar semiconductor device parts. The Schedule B End Use is listed as semiconductors. NAICS classification category 334413: semiconductor and related device manufacturing.
This information was last updated on Aug 01, 2025.