National Stock Number
5120-00-228-9503
National Stock Number (NSN) 5120-00-228-9503, or NIIN 002289503, (wrench,box and open end,combinat) was assigned January 1, 1963 in the Federal Logistics Information System (FLIS). This NIIN is Available for Manual Assignment. This NSN replaces 3 stock numbers: 5120013057105, 5120010344004, 5120001333087.
There are 21 manufacturer part numbers associated with this NSN. 10 of those part number(s) are considered obsolete. The manufacturer part numbers were originally supplied by 9 suppliers. Today, 8 suppliers are listed as Active suppliers for this NSN. Of the active suppliers, 4 suppliers are deemed design controlled or valid supply parts. ISO Group has a strong supply network for this NSN, with 22 sources of supply.
This part number has not been procured by the US Government in over 5 years.
This NSN is unique to one weapons system.
There has been a small amount of demand for this national stock number. The demand for this NSN originated from less than 5 countries. Based on a planned procurement review by the Primary Inventory Control Activity (PICA) on Sep 13, 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 5120002289503 does not contain precious metals.
This NSN is associated to Schedule B 8204110030: open-end, box and combination open-end and box wrenches, base metal. The Schedule B End Use is listed as photo, service industry machinery.
This information was last updated on Aug 01, 2025.