National Stock Number
5310-00-420-8440
National Stock Number (NSN) 5310-00-420-8440, or NIIN 004208440, (nut assembly,retainer ring) was assigned March 10, 1969 in the Federal Logistics Information System (FLIS). NIIN 004208440 was cancelled on April 29, 2010, with a cancelled status of "Item is Cancelled - Inactive." There is no known replacement specified for this stock number. This NSN does not replace any other NSNs.
There is only one manufacturer part number associated with this NSN. One of those 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.
This NSN is assigned to Item Name Code (INC) 16007. [AN ITEM CONSISTING OF A FLAT METAL RING DESIGNED TO BE FASTENED IN PLACE, UPON WHICH REPLACEABLE NUTS ARE ASSEMBLED IN PREDETERMINED SPACING.]. 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 5310004208440 contains an unknown precious metal.
This information was last updated on Jul 01, 2025.