National Stock Number
4520-01-073-1575
National Stock Number (NSN) 4520-01-073-1575, or NIIN 010731575, (humidifier,portable) was assigned March 10, 1979 in the Federal Logistics Information System (FLIS). This NIIN is Available for Manual Assignment. This NSN does not replace any other NSNs.
There are 2 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, 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 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 20, 2015, this NSN's acquisition method was noted as: Suitable for Competitive Acquisition. (Potential sources shall include dealers/distributors.) The Government has unlimited rights to the technical data, and the data package is complete. Valid AMCs: 1 and 2.
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 4520010731575 does not contain precious metals.
This information was last updated on Jun 01, 2025.