National Stock Number
4520-00-535-7923
National Stock Number (NSN) 4520-00-535-7923, or NIIN 005357923, (heater,duct type,portable) was assigned September 17, 1974 in the Federal Logistics Information System (FLIS). NIIN 005357923 was cancelled on July 2, 1996, 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 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) 13028. [A HEATER EQUIPPED WITH INTEGRAL CONNECTION(S) FOR ATTACHING DUCT(S) TO DIRECT HEAT TO ENGINE SURFACE, RAILROAD CARS, WAREHOUSES, TENTS, AND THE LIKE. IT IS EQUIPPED WITH A BLOWER (FAN) AND MUST BE MOUNTED ON SKIDS, WHEELS, AND THE LIKE OR CAPABLE OF BEING HAND-CARRIED. EXCLUDES:HEATER, SPACE.]. There is no data in the HMIRS and the NSN is in an FSC not generally suspected of containing hazardous materials. NSN 4520005357923 does not contain precious metals.
This information was last updated on Aug 01, 2025.