National Stock Number
4520-01-464-7584
National Stock Number (NSN) 4520-01-464-7584, or NIIN 014647584, (humidifier,warm air heating system) was assigned May 10, 1999 in the Federal Logistics Information System (FLIS). NIIN 014647584 was cancelled on October 2, 2004, with a cancelled status of "Item is Cancelled as Duplicate." This NSN was replaced by NSN 4930012795752. 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, there are no suppliers that 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) 15584. [A DEVICE WHICH, WHEN INSTALLED IN CONJUNCTION WITH A WARM AIR HEATING SYSTEM, INJECTS OR RELEASES VAPOR FOR THE PURPOSE OF INCREASING THE RELATIVE HUMIDITY IN A ROOM OR BUILDING. EXCLUDES:SELF-CONTAINED AIR HUMIDIFYING UNITS.]. There is no data in the HMIRS and the NSN is in an FSC not generally suspected of containing hazardous materials. NSN 4520014647584 does not contain precious metals.
This information was last updated on Jul 01, 2025.