National Stock Number
5120-01-398-7631
National Stock Number (NSN) 5120-01-398-7631, or NIIN 013987631, (screwdriver attachment,socket wrench) was assigned November 9, 1994 in the Federal Logistics Information System (FLIS). NIIN 013987631 was cancelled on December 15, 2017, with a cancelled status of "Item is Cancelled - Inactive." There is no known replacement specified for this stock number. This NSN does not replace any other NSNs.
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 2 suppliers. 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) 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 5120013987631 does not contain precious metals.
This information was last updated on Aug 01, 2025.