National Stock Number
2990-01-514-9883
National Stock Number (NSN) 2990-01-514-9883, or NIIN 015149883, (heater,air duct,engine) was assigned November 12, 2003 in the Federal Logistics Information System (FLIS). NIIN 015149883 was cancelled on January 2, 2016, with a cancelled status of "Item is Cancelled - USE." This NSN was replaced by NSN 2590014957892. This NSN does not replace any other NSNs.
There are 3 manufacturer part numbers associated with this NSN. One of those part number(s) are considered obsolete. The manufacturer part numbers were originally supplied by 3 suppliers. Today, 3 suppliers are listed as Active suppliers for this NSN. Of the active suppliers, 2 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 Jul 17, 2014. There have been 14 contracts issued for this part number, with 14 awards given. There is moderate competition for this NSN. The US Government has awarded contracts to 6 different suppliers. The last contract numbers awarded were: SPE7L314V7905, SPE7L314V2403, SPM7L214V0101, SPM7L113V3536, SPM7L313V2426. The total value of the awarded contracts has been US$ 333,049.45.
This NSN is somewhat common among different platforms, belonging to 5 different weapons systems.
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 Dec 04, 2020, 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) 17491. [A HEATER DESIGNED TO BURN FUEL WHICH APPLIES HEAT THROUGH DUCTS TO ENGINE SURFACES, BATTERY AND THE LIKE TO FACILITATE STARTING IN LOW TEMPERATURES. IT IS NOT CONNECTED TO THE ENGINE COOLANT SYSTEM; MUST HAVE MOUNTING FACILITIES AND BE EQUIPPED WITH A BLOWER(S) (FAN). SEE ALSO HEATER, AIR DUCT-COOLANT, ENGINE AND HEATER, 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 2990015149883 does not contain precious metals.
This information was last updated on Jul 01, 2025.