National Stock Number
5120-00-445-2243
National Stock Number (NSN) 5120-00-445-2243, or NIIN 004452243, (key,socket head screw) was assigned January 1, 1963 in the Federal Logistics Information System (FLIS). NIIN 004452243 was cancelled on July 2, 2008, with a cancelled status of "Item is Cancelled as Duplicate." This NSN was replaced by NSN 5120002499670. This NSN does not replace any other NSNs.
There are 6 manufacturer part numbers associated with this NSN. 3 of those part number(s) are considered obsolete. The manufacturer part numbers were originally supplied by 3 suppliers. Today, 2 suppliers are listed as Active suppliers for this NSN. Of the active suppliers, 2 suppliers are deemed design controlled or valid supply parts. ISO Group has several sources of supply for this NSN.
This part number has not been procured by the US Government in over 5 years.
This NSN is assigned to Item Name Code (INC) 03519. [A HAND TOOL DESIGNED TO IMPART A ROTARY MOVEMENT OF FORCE FOR INSTALLING OR REMOVING SOCKET SCREW PRODUCTS. EXCLUDES:WRENCH, DRAIN PLUG; AND WRENCH, BUNG.]. 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 5120004452243 does not contain precious metals.
This information was last updated on Jul 01, 2025.