National Stock Number
4520-01-560-3996
National Stock Number (NSN) 4520-01-560-3996, or NIIN 015603996, (humidifier,portable) was assigned January 29, 2008 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.
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 Mar 13, 2012, 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) 31980. [AN ITEM WHICH CONVERTS WATER INTO FINE COOL VAPORS BY MECHANICAL MEANS. IT MAY BE USED IN A "SICK ROOM" WITH OR WITHOUT MEDICATION, OR ANY ENCLOSED AREA FOR THE PURPOSE OF INCREASING ITS RELATIVE HUMIDITY. FOR ITEMS CONVERTING WATER INTO HOT VAPOR (STEAM) BY MEANS OF HEAT, SEE VAPORIZER, MEDICINAL.]. 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 4520015603996 does not contain precious metals.
This information was last updated on Jul 01, 2025.