National Stock Number
5120-01-399-8959
National Stock Number (NSN) 5120-01-399-8959, or NIIN 013998959, (wrench,spanner) was assigned December 7, 1994 in the Federal Logistics Information System (FLIS). NIIN 013998959 was cancelled on October 2, 2010, with a cancelled status of "Item is Cancelled as Duplicate." This NSN was replaced by NSN 5120002886468. This NSN replaces 1 stock number, 5120013681824.
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 4 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. 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) 03476. [A TOOL ON WHICH ARE LOCATED ONE OR MORE PINS, LUGS, HOLES, KEYWAYS, OR HOOKS, DESIGNED TO ENGAGE MATCHING HOLES, SLOTS, OR PROJECTIONS ON A COUPLING, NUT, OR THE LIKE; FOR EXERTING A TORSIONAL FORCE, CONCENTRATED AT A POINT OR POINTS OF A MATING PART, TENDING TO TURN THE MATING PART ABOUT AN AXIS. THE DRIVE END MAY HAVE A HOLE FOR A SEPARATE STRAIGHT BAR USED AS A HANDLE. EXCLUDES: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 5120013998959 does not contain precious metals.
This information was last updated on Aug 01, 2025.