National Stock Number
5998-01-652-2721
National Stock Number (NSN) 5998-01-652-2721, or NIIN 016522721, (electronic unit,loa) was assigned February 16, 2016 in the Federal Logistics Information System (FLIS). 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.
Based on a planned procurement review by the Primary Inventory Control Activity (PICA) on Sep 26, 2019, this NSN's acquisition method was noted as: Acquire only from the prime contractor although the engineering data identifies the Commercial and Government Entity Code (CAGE) and part number of a source other than the prime contractor. This part requires special test and/or inspection facilities to determine and maintain ultraprecision quality for its function or system integrity. Substantiation and inspection of the precision or quality cannot be accomplished without such specialized test or inspection facilities. Valid AMCs: 1, 2, 3, 4 and 5.
This NSN is assigned to Item Name Code (INC) 77777. 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 5998016522721 contains an unknown precious metal.
This information was last updated on Aug 01, 2025.