National Stock Number
4520-01-221-5459
National Stock Number (NSN) 4520-01-221-5459, or NIIN 012215459, (damper,flue) was assigned November 29, 1985 in the Federal Logistics Information System (FLIS). This NIIN is Available for Manual Assignment. 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, only one supplier is 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 somewhat common among different platforms, belonging to 2 different weapons systems.
Based on a planned procurement review by the Primary Inventory Control Activity (PICA) on Nov 22, 2014, this NSN's acquisition method was noted as: Acquire directly from the actual manufacturer, whether or not the prime contractor is the actual manufacturer. The data needed to produce this item from additional sources is not physically available. Valid AMCs: 3, 4 and 5.
This NSN is assigned to Item Name Code (INC) 15646. [A CAST IRON OR SHEET METAL PLATE DESIGNED TO BE INSTALLED IN A BOILER, HEATER, STOVE, OR FURNACE FLUE PIPE TO CONTROL THE DRAFT, AND/OR IN AN AIR DUCT TO CONTROL THE PASSAGE OF AIR. EXCLUDES:VALVE, BUTTERFLY.]. There is no data in the HMIRS and the NSN is in an FSC not generally suspected of containing hazardous materials. NSN 4520012215459 does not contain precious metals.
This information was last updated on Apr 01, 2024.