National Stock Number
4520-01-631-3520
National Stock Number (NSN) 4520-01-631-3520, or NIIN 016313520, (register,air) was assigned September 10, 2014 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.
Based on a planned procurement review by the Primary Inventory Control Activity (PICA) on Sep 25, 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) 45772. [AN ITEM WITH A GRILLE, DESIGNED TO AFFECT THE PROPER DISTRIBUTION OF COLD OR HEATED AIR TO AN ENCLOSED AREA. IT MAY HAVE ADJUSTABLE BLADES ON THE BACK TO REGULATE AND CONTROL THE FLOW OF AIR.]. This item does not have a nuclear hardened feature or any other critical feature such as tolerance, fit restriction or application. There is no data in the HMIRS and the NSN is in an FSC not generally suspected of containing hazardous materials. NSN 4520016313520 does not contain precious metals.
This information was last updated on Jul 01, 2025.