National Stock Number
5120-01-399-9840
National Stock Number (NSN) 5120-01-399-9840, or NIIN 013999840, (screwdriver attachment,socket wrench) was assigned December 7, 1994 in the Federal Logistics Information System (FLIS). NIIN 013999840 was cancelled on December 2, 2013, with a cancelled status of "Item is Cancelled as Duplicate." This NSN was replaced by NSN 5120010798032. This NSN does not replace any other NSNs.
There are 2 manufacturer part numbers associated with this NSN. None of the associated part number(s) are considered obsolete. The manufacturer part numbers were originally supplied by 2 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.
This part number has not been procured by the US Government in over 5 years.
This NSN is assigned to Item Name Code (INC) 52399. [AN ATTACHMENT DESIGNED TO FIT OVER THE SQUARE EXTERNAL DRIVE END OF A HANDLE, SOCKET WRENCH; WRENCH, TORQUE; AND THE LIKE CONSISTING OF ONE OR TWO-PIECE CONFIGURATION HAVING A SCREW DRIVING TIP ON ONE END. EXCLUDES:BIT, SCREWDRIVER.]. 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 5120013999840 does not contain precious metals.
This information was last updated on Jul 01, 2025.