National Stock Number
5520-01-646-6775
National Stock Number (NSN) 5520-01-646-6775, or NIIN 016466775, (frame,observation window) was assigned July 28, 2015 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 2 suppliers. Today, 2 suppliers are listed as Active suppliers 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 03, 2015, 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) 60504. [A FLAT RIGID ITEM PROVIDED WITH HOLES OR SIMILAR MEANS FOR ATTACHING TO A CONTAINER FOR THE PURPOSE OF HOLDING AN OBSERVATION WINDOW IN PLACE.]. 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 5520016466775 does not contain precious metals.
This NSN is associated to Schedule B 4418100000: windows, french-windows and their frames, of wood. The Schedule B End Use is listed as wood supplies, manufactured. NAICS classification category 321911: wood window and door manufacturing.
This information was last updated on Jul 01, 2025.