National Stock Number
4520-01-222-9682
National Stock Number (NSN) 4520-01-222-9682, or NIIN 012229682, (humidifier,warm air heating system) has an unknown assigned date. NIIN 012229682 was cancelled on September 24, 1999, with a cancelled status of "Item is Cancelled - Inactive." There is no known replacement specified for this stock number. This NSN does not replace any other NSNs.
There are no manufacturer part numbers associated to this NSN.
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.]. This item does not have a critical feature such as tolerance, fit restrictions or application. Nuclear hardness properties have not been determined (not valid for input). There is no data in the HMIRS and the NSN is in an FSC not generally suspected of containing hazardous materials. NSN 4520012229682 does not contain precious metals.
This information was last updated on Apr 01, 2025.