National Stock Number
5120-01-225-5391
National Stock Number (NSN) 5120-01-225-5391, or NIIN 012255391, (key,socket head screw) was assigned February 3, 1986 in the Federal Logistics Information System (FLIS). This NIIN is Available for Manual Assignment. This NSN does not replace any other NSNs.
There are 3 manufacturer part numbers 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, 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) 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 5120012255391 contains an unknown precious metal.
This NSN is associated to Schedule B 8204200000: socket wrenches with or without handles, drives and extensions, parts, base metal. The Schedule B End Use is listed as photo, service industry machinery.
This information was last updated on Aug 01, 2025.