National Stock Number
2920-00-423-1147
National Stock Number (NSN) 2920-00-423-1147, or NIIN 004231147, (generator,engine accessory) was assigned April 9, 1971 in the Federal Logistics Information System (FLIS). This NIIN is Available for Manual Assignment. This NSN replaces 1 stock number, 2920008535677.
There are 11 manufacturer part numbers associated with this NSN. 8 of those part number(s) are considered obsolete. The manufacturer part numbers were originally supplied by 10 suppliers. Today, 7 suppliers are listed as Active suppliers for this NSN. Of the active suppliers, 3 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.
This NSN is unique to one weapons system.
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 05, 2013, 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) 17311. [A GENERATOR PRIMARILY DESIGNED TO BE MOUNTED ON AN INTERNAL COMBUSTION ENGINE, AND TO BE DRIVEN BY THE ENGINE TO KEEP THE BATTERY IN A CHARGED CONDITION. MAY ALSO SUPPLY CURRENT FOR THE ENGINE IGNITION SYSTEM AND/OR ELECTRICAL EQUIPMENT WHICH IS CONNECTED TO THE BATTERY CIRCUIT. INCLUDES ALTERNATING CURRENT GENERATORS DESIGNED FOR USE WITH A RECTIFIER. EXCLUDES:THE MAJOR GENERATOR OF "GENERATING SETS". FOR GENERATORS SPECIFICALLY DESIGNED FOR AIRCRAFT USE AND NOT MOUNTED ON THE ENGINE, SEE GENERATOR, DIRECT CURRENT.]. 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 2920004231147 contains an unknown precious metal.
This NSN is associated to Schedule B 8511500000: generators for internal combustion engines, nesoi. The Schedule B End Use is listed as engines and engine parts (carburetors, pistons, rings, and valves.
This information was last updated on Aug 01, 2025.