National Stock Number
4520-00-132-5596
National Stock Number (NSN) 4520-00-132-5596, or NIIN 001325596, (unit heater,air circulating,steam-hot water) was assigned January 1, 1963 in the Federal Logistics Information System (FLIS). NIIN 001325596 was cancelled on October 13, 2004, with a cancelled status of "Item is Cancelled WITHOUT Replacement." There is no known replacement specified for this stock number. This NSN does not replace any other NSNs.
There are 3 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 2 suppliers. Today, 2 suppliers are listed as Active suppliers 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) 04874. [A HEATING DEVICE WHICH IS CONNECTED TO A CENTRAL SOURCE OF HOT WATER OR STEAM, FOR THE PURPOSE OF DISTRIBUTING HEAT, BY MEANS OF A MOTOR-DRIVEN FAN, THROUGHOUT A ROOM OR BUILDING. BY INTRODUCING OUTSIDE AIR, IT MAY ALSO BE UTILIZED FOR VENTILATING PURPOSES OR A COMBINATION OF HEATING AND VENTILATING.]. 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 4520001325596 does not contain precious metals.
This information was last updated on Aug 01, 2025.