National Stock Number
5120-00-183-9021
National Stock Number (NSN) 5120-00-183-9021, or NIIN 001839021, (pliers,retaining ring) was assigned February 19, 1971 in the Federal Logistics Information System (FLIS). NIIN 001839021 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. None of the associated part number(s) are considered obsolete. The manufacturer part numbers were originally supplied by one supplier. Today, one supplier is listed as an Active supplier 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) 19019. [SEE ALSO PLIERS AND PLIERS (AS MODIFIED).]. 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 5120001839021 does not contain precious metals.
This information was last updated on Aug 01, 2025.