National Stock Number
5120-00-203-9442
National Stock Number (NSN) 5120-00-203-9442, or NIIN 002039442, (crowfoot attachment,socket wrench) was assigned January 1, 1963 in the Federal Logistics Information System (FLIS). NIIN 002039442 was cancelled on October 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 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) 17106. [A WRENCH COMPONENT WHICH MAY CONTAIN NOTCHES WITHIN AN OPEN END, BOX, OPEN WALL BOX, 2 OR 3 LUG OPEN END WRENCH OPENING HAVING A SQUARE, INTERNAL, FIXED, ECCENTRIC DRIVE PARALLEL TO THE WRENCH OPENING, DESIGNED TO RECEIVE THE EXTERNAL DRIVE END OF A HANDLE, SOCKET WRENCH. ITEMS HAVING AN OPEN END TYPE WRENCH OPENING MAY HAVE A SECOND DRIVE OPENING AT RIGHT ANGLES TO THE WRENCH OPENING. SEE ALSO SOCKET, CROWFOOT WRENCH HEAD AND HEAD, CROWFOOT SOCKET WRENCH.]. This item does not have a critical feature such as tolerance, fit restrictions or application. Nuclear hardness properties have not been determined (not valid for input). There is no data in the HMIRS and the NSN is in an FSC not generally suspected of containing hazardous materials. NSN 5120002039442 does not contain precious metals.
This information was last updated on Aug 01, 2025.