National Stock Number
5120-01-431-1021
National Stock Number (NSN) 5120-01-431-1021, or NIIN 014311021, (wrench,box and open end,combination) was assigned May 7, 1996 in the Federal Logistics Information System (FLIS). NIIN 014311021 was cancelled on July 2, 2015, with a cancelled status of "Item is Cancelled - USE." This NSN was replaced by NSN 5120014302995. This NSN does not replace any other NSNs.
There are 7 manufacturer part numbers associated with this NSN. One of those part number(s) are considered obsolete. The manufacturer part numbers were originally supplied by 3 suppliers. Today, 2 suppliers are listed as Active suppliers for this NSN. Of the active suppliers, only one supplier is 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.
Based on a planned procurement review by the Primary Inventory Control Activity (PICA) on Dec 02, 2020, this NSN's acquisition method was noted as: Not established. Not established.
This NSN is assigned to Item Name Code (INC) 17183. [A NONADJUSTABLE WRENCH HAVING A BOX WRENCHING FEATURE ON ONE END AND AN OPEN END WRENCHING FEATURE ON THE OTHER END. EXCLUDES WRENCH, BOX AND WRENCH, OPEN END.]. 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 5120014311021 does not contain precious metals.
This information was last updated on Jul 01, 2025.