National Stock Number
5310-00-556-7521
National Stock Number (NSN) 5310-00-556-7521, or NIIN 005567521, (nut assembly,retainer plate) was assigned November 8, 1974 in the Federal Logistics Information System (FLIS). This NIIN is Available for Manual Assignment. This NSN does not replace any other NSNs.
There are 5 manufacturer part numbers associated with this NSN. One of those part number(s) are considered obsolete. The manufacturer part numbers were originally supplied by 4 suppliers. Today, 4 suppliers are listed as Active suppliers for this NSN. Of the active suppliers, 2 suppliers 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) 16006. [A SQUARE OR RECTANGULAR FLAT METAL PLATE UPON WHICH REPLACEABLE NUTS ARE ASSEMBLED IN PREDETERMINED SPACING. THE PLATE HAS A CENTRALLY LOCATED HOLE.]. 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 5310005567521 contains an unknown precious metal.
This information was last updated on Aug 01, 2025.