National Stock Number
2990-01-490-0421
National Stock Number (NSN) 2990-01-490-0421, or NIIN 014900421, (control unit,governor) was assigned September 19, 2001 in the Federal Logistics Information System (FLIS). This NIIN is Available for Manual Assignment. This NSN does not replace any other NSNs.
There is only one manufacturer part number associated with this NSN. None of the associated part number(s) are considered obsolete. The manufacturer part numbers were originally supplied by one supplier. Today, one supplier is listed as an Active supplier 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.
There has been very little demand for this national stock number. The demand for this NSN originated from less than 5 countries.
This NSN is assigned to Item Name Code (INC) 51544. [A NON-AIRCRAFT ELECTRONIC UNIT THAT WORKS IN CONJUNCTION WITH A GOVERNOR/ACTATOR THAT CONTINOUSLY MONITORS ENGINE SPEED, TEMPERATURE, AND AIR FLOW AND ADJUSTS THE FUEL CONTROL TO COMPENSATE FOR CHANGES. IT IS USED WITH DIESEL OR GAS ENGINES, OR STEAM OR GAS TUBINES. IT MAY INCLUDE LOAD SHARING CAPABILITIES, ROTOR SPEED GOVERNING, LOSS-OF-LOAD PROTECTION AND ANALOG OR MANUAL BACK-UP MODES. IT MAY CONTAIN AUTOMATIC START CAPABILITY OR SELF-DIAGNOSTIC CIRCUITRY.]. There is no data in the HMIRS and the NSN is in an FSC not generally suspected of containing hazardous materials. NSN 2990014900421 does not contain precious metals.
This information was last updated on Jun 01, 2025.