National Stock Number
5120-01-621-0645
National Stock Number (NSN) 5120-01-621-0645, or NIIN 016210645, (socket,socket wrench) was assigned August 21, 2013 in the Federal Logistics Information System (FLIS). NIIN 016210645 was cancelled on December 2, 2013, with a cancelled status of "Item is Cancelled as Duplicate." This NSN was replaced by NSN 5120014284529. 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, only one supplier is 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) 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 5120016210645 does not contain precious metals.
This information was last updated on Jul 01, 2025.