National Stock Number
4520-01-442-4417
National Stock Number (NSN) 4520-01-442-4417, or NIIN 014424417, (humidifier,warm air heating syst) was assigned March 14, 1997 in the Federal Logistics Information System (FLIS). This NIIN is Available for Manual Assignment. This NSN does not replace any other NSNs.
There is only one manufacturer part number 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 unique to one weapons system.
Based on a planned procurement review by the Primary Inventory Control Activity (PICA) on Nov 22, 2014, 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) 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 4520014424417 does not contain precious metals.
This information was last updated on May 01, 2025.