National Stock Number
4520-01-561-5121
National Stock Number (NSN) 4520-01-561-5121, or NIIN 015615121, (heater,space,electric) was assigned March 7, 2008 in the Federal Logistics Information System (FLIS). NIIN 015615121 was cancelled on January 2, 2013, with a cancelled status of "Item is Cancelled - USE." This NSN was replaced by NSN 4520016052054. This NSN does not replace any other NSNs.
There are 2 manufacturer part numbers 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.
This NSN is fairly common among different weapons systems, belonging to 12 different platforms.
There has been very little 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 Feb 08, 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 rights to use the data needed to purchase this part from additional sources are not owned by the Government and cannot be purchased. Valid AMCs: 1, 2, 3, 4 and 5.
This NSN is assigned to Item Name Code (INC) 03232. [A DEVICE HAVING ONE OR MORE HEATING ELEMENTS THAT, WHEN CONNECTED TO AN ELECTRICAL SOURCE, DIRECTLY RADIATES HEAT. THE CIRCULATION OF THE HEATED AIR MAY BE PROVIDED BY A BUILT-IN FAN OR BLOWER. FOR NON-ELECTRIC SPACE HEATERS, SEE HEATER, SPACE.]. 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 4520015615121 does not contain precious metals.
This information was last updated on Jul 01, 2025.