National Stock Number
5120-00-378-4411
National Stock Number (NSN) 5120-00-378-4411, or NIIN 003784411, (wrench,wheel stud nut,geared soc) was assigned January 1, 1963 in the Federal Logistics Information System (FLIS). This NIIN is Available for Manual Assignment. This NSN does not replace any other NSNs.
There are 6 manufacturer part numbers associated with this NSN. 2 of those 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, 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.
There has been a small amount of demand for this national stock number. The demand for this NSN originated from less than 5 countries. Based on a planned procurement review by the Primary Inventory Control Activity (PICA) on Nov 26, 2013, this NSN's acquisition method was noted as: Not established. Not established.
This NSN is assigned to Item Name Code (INC) 17751. [A MANUALLY OPERATED ITEM DESIGNED TO REMOVE WHEEL STUD NUTS. IN OPERATION THE INNER NUT IS TURNED BY A SOCKET ATTACHED TO A SHAFT HAVING A GEARED HEAD, WHILE THE OUTER NUT IS HELD STATIONARY BY A SEPARATE HEXAGONAL HOLDING WRENCH. IT IS DESIGNED TO BE ACTIVATED BY A STANDARD SOCKET WRENCH (LUG WRENCH) WHEN FITTED TO A SINGLE GEARED DRIVING SHAFT OR IT MAY BE ACTIVATED BY REMOVABLE SLIDING BAR HANDLES FOR EACH OF THE GEAR DRIVING SHAFTS. EXCLUDES:WRENCH, SOCKET. SEE ALSO WRENCH, WHEEL STUD NUT, SHOCK TYPE.]. 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 5120003784411 does not contain precious metals.
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 Jul 01, 2025.