National Stock Number
4520-00-493-0333
National Stock Number (NSN) 4520-00-493-0333, or NIIN 004930333, (heater,duct type,portable) has an unknown assigned date. NIIN 004930333 was cancelled on September 20, 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) 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.]. 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 4520004930333 does not contain precious metals.
This information was last updated on Aug 01, 2025.