National Stock Number
5120-01-397-3178
National Stock Number (NSN) 5120-01-397-3178, or NIIN 013973178, (socket,socket wrench) was assigned October 7, 1994 in the Federal Logistics Information System (FLIS). 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 6 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. 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.
Based on a planned procurement review by the Primary Inventory Control Activity (PICA) on Sep 03, 2020, this NSN's acquisition method was noted as: Not established. Not established.
This NSN is assigned to Item Name Code (INC) 03518. [AN ITEM HAVING AN INTERNAL DRIVE AT ONE END MADE TO FIT INTO THE EXTERNAL DRIVE END OF A SOCKET WRENCH HANDLE, TORQUE WRENCH, OR POWER DRIVEN TOOL. THE OPPOSITE END CONSISTS OF VARIOUS INTERNAL WRENCH SHAPES SUCH AS HEXAGON OR SQUARE. IT MAY INCLUDE AN INTEGRAL UNIVERSAL JOINT.]. 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 5120013973178 does not contain precious metals.
This information was last updated on Aug 01, 2025.