National Stock Number
4520-01-199-7785
National Stock Number (NSN) 4520-01-199-7785, or NIIN 011997785, (furnace,warm air) was assigned January 25, 1985 in the Federal Logistics Information System (FLIS). NIIN 011997785 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 is only one manufacturer part number associated with this NSN. None of the associated part number(s) are considered obsolete. The manufacturer part numbers were originally supplied by one supplier. 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 assigned to Item Name Code (INC) 09198. [A CENTRAL HEATING APPLIANCE CONSISTING OF A COMBUSTION CHAMBER AND SECONDARY HEAT TRANSFERRING SURFACES INCLOSED WITHIN A JACKET OR CASING, DESIGNED FOR BURNING VARIOUS TYPES OF FUEL. THE RESULTANT HEAT, BEING ABSORBED BY AIR CIRCULATED OVER THE HEATED SURFACES BY MEANS OF GRAVITY OR FORCED AIR CIRCULATION, MAY BE DISTRIBUTED TO VARIOUS ROOMS OF A BUILDING BY THE ATTACHMENT OF DUCTS AND/OR PIPES. SEE ALSO HEATER, SPACE.]. There is no data in the HMIRS and the NSN is in an FSC not generally suspected of containing hazardous materials. NSN 4520011997785 does not contain precious metals.
This information was last updated on Jul 01, 2025.