National Stock Number
2520-00-457-8021
National Stock Number (NSN) 2520-00-457-8021, or NIIN 004578021, (yoke) was assigned January 1, 1963 in the Federal Logistics Information System (FLIS). NIIN 004578021 was cancelled on December 28, 2001, with a cancelled status of "Item is Cancelled - Inactive." There is no known replacement specified for this stock number. This NSN replaces 1 stock number, 2520003179630.
There are 3 manufacturer part numbers associated with this NSN. None of the associated part number(s) are considered obsolete. The manufacturer part numbers were originally supplied by 4 suppliers. Today, 3 suppliers are listed as Active suppliers for this NSN. Of the active suppliers, there are no suppliers that 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) 77777. There is no information in the HMIRS; however, the NSN is in an FSC in Table II of Federal Standard 313 and an MSDS may be required by the user. The requirement for an MSDS is dependent on a hazard determination of the supplier or the intended end use of the product. NSN 2520004578021 contains an unknown precious metal.
This information was last updated on Jul 01, 2025.