National Stock Number
5120-99-559-1051
National Stock Number (NSN) 5120-99-559-1051, or NIIN 995591051, (adapter,socket wrench) has an unknown assigned date. NIIN 995591051 was cancelled on January 2, 2013, 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 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, 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.
This part number has not been procured by the US Government in over 5 years.
This NSN is assigned to Item Name Code (INC) 03353. [A RIGID ADAPTER LESS THAN FOUR INCHES (101.6 MM) LONG USED TO CONNECT SOCKETS TO HANDLES, POWER TOOLS, OR TO OTHER ATTACHMENTS WHICH ARE NOT DESIGNED FOR DIRECT MATING TO EACH OTHER. SEE ALSO RATCHET ATTACHMENT, SOCKET WRENCH; UNIVERSAL JOINT, SOCKET WRENCH ATTACHMENT; EXTENSION, SOCKET WRENCH; AND ADAPTER-EXTENSION, SOCKET WRENCH; EXCLUDES:ADAPTER, SOCKET, CROWFOOT SOCKET WRENCH HEAD; SOCKET, WRENCH, REFRIGERATION VALVE STEM; AND HOLDER, SCREWDRIVER BIT, FEMALE SQUARE DRIVE.].
This information was last updated on Aug 11, 2025.