National Stock Number
2990-01-112-7527
National Stock Number (NSN) 2990-01-112-7527, or NIIN 011127527, (heater,coolant,engine) was assigned May 9, 1981 in the Federal Logistics Information System (FLIS). NIIN 011127527 was cancelled on April 30, 2010, with a cancelled status of "Item is Cancelled - Inactive." There is no known replacement specified for this stock number. 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, 2 suppliers are listed as Active suppliers for this NSN. Of the active suppliers, 2 suppliers are deemed design controlled or valid supply parts.
This part number has not been procured by the US Government in over 5 years.
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.]. There is no data in the HMIRS and the NSN is in an FSC not generally suspected of containing hazardous materials. NSN 2990011127527 does not contain precious metals.
This information was last updated on Aug 01, 2025.