National Stock Number (NSN) 2990-01-478-0409, or NIIN 014780409, (heater,coolant,engine) was assigned August 29, 2000 in the Federal Logistics Information System (FLIS). This NIIN is Available for Manual Assignment. This NSN does not replace any other NSNs.
There are 2 manufacturer part numbers associated with this NSN. One of those 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, with the most recent procurement date of Nov 20, 2015. There have been 14 contracts issued for this part number, with 14 awards given. The US Government has only awarded those contracts to one supplier. The last contract numbers awarded were: SPE7L316M1414, SPE7L316M1414, SPE7L315M2156, SPE7L014M3934, SPE7L014M1295. The total value of the awarded contracts has been US$ 281,703.52.
This NSN is unique to one weapons system.
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 26, 2008, this NSN's acquisition method was noted as: Acquire, for the first time, directly from the actual manufacturer rather than the prime contractor who is not 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) 11517. [A HEATER DESIGNED TO BURN FUEL OR UTILIZE ELECTRIC POWER WHICH APPLIES HEAT THROUGH DIRECT CONNECTION TO THE ENGINE COOLANT SYSTEM TO FACILITATE STARTING IN LOW TEMPERATURES; MAY ALSO SUPPLY HEATED COOLANT TO HEAT EXCHANGERS. MUST HAVE MOUNTING FACILITIES. SEE ALSO HEATER, AIR DUCT, ENGINE AND HEATER, AIR DUCT-COOLANT, ENGINE.]. 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 2990014780409 does not contain precious metals.
This NSN is associated to Schedule B 8412909080: parts of engines and motors, nesoi. The Schedule B End Use is listed as industrial engines. NAICS classification category 333111: farm machinery and equipment manufacturing.
This information was last updated on Aug 01, 2025.