National Stock Number
2540-00-410-6684
National Stock Number (NSN) 2540-00-410-6684, or NIIN 004106684, (heater,vehicular,compartment) was assigned January 22, 1972 in the Federal Logistics Information System (FLIS). NIIN 004106684 was cancelled on April 29, 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 2 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. 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 assigned to Item Name Code (INC) 17648. [A DEVICE DESIGNED TO HEAT THE INTERIOR OF A VEHICLE BY UTILIZING THE HEAT FROM THE ENGINE COOLANT SYSTEM OR A LIQUID FUEL TYPE BURNER. CIRCULATION OF THE HEATED AIR IS ACHIEVED BY USE OF A BLOWER OR FAN WHICH MAY OR MAY NOT BE AN INTEGRAL PART OF THE HEATING UNIT. EXCLUDES:HEATER, AIRCRAFT, AND RAILWAY HEATERS.]. This item does not have a nuclear hardened feature or any other critical feature such as tolerance, fit restriction or application. There is no information in the HMIRS; however, the NSN is in an FSC in Table II of Federal Standard 313 and an MSDS may be required by the user. The requirement for an MSDS is dependent on a hazard determination of the supplier or the intended end use of the product. NSN 2540004106684 contains an unknown precious metal.
This information was last updated on Jul 01, 2025.