National Stock Number
5120-01-397-3299
National Stock Number (NSN) 5120-01-397-3299, or NIIN 013973299, (ratchet attachment,socket wrench) was assigned October 7, 1994 in the Federal Logistics Information System (FLIS). NIIN 013973299 was cancelled on August 9, 2002, with a cancelled status of "Item is Cancelled WITHOUT Replacement." There is no known replacement specified for this stock number. 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, there are no suppliers listed as an Active supplier 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.
This NSN is assigned to Item Name Code (INC) 17020. [A CONNECTION FOR SOCKET WRENCHES AND HANDLES. CONSISTS OF A RATCHETING MECHANISM WITH AN INTERNAL DRIVE ON ONE END AND AN EXTERNAL DRIVE ON THE OPPOSITE END OF THE SAME SIZE. THE ITEM IS DESIGNED TO PERMIT CONTINUOUS ROTATION OF THE SOCKET IN ONE DIRECTION WITHOUT REMOVING THE SOCKET OR HANDLE AND WITHOUT A COMPLETE ROTATION OF THE HANDLE.]. 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 5120013973299 does not contain precious metals.
This information was last updated on Jul 01, 2025.