National Stock Number
5120-00-018-1583
National Stock Number (NSN) 5120-00-018-1583, or NIIN 000181583, (wrench,box) was assigned October 15, 1972 in the Federal Logistics Information System (FLIS). This NIIN is Available for Manual Assignment. This NSN replaces 1 stock number, 5120011133024.
There are 8 manufacturer part numbers associated with this NSN. 2 of those part number(s) are considered obsolete. The manufacturer part numbers were originally supplied by 5 suppliers. Today, 4 suppliers are listed as Active suppliers for this NSN. Of the active suppliers, 2 suppliers are 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.
This NSN is unique to one weapons system.
Based on a planned procurement review by the Primary Inventory Control Activity (PICA) on Oct 21, 2019, this NSN's acquisition method was noted as: Not established. Not established.
This NSN is assigned to Item Name Code (INC) 03555. [A NONADJUSTABLE WRENCH HAVING A BOX WRENCHING FEATURE ON ONE OR BOTH ENDS. EXCLUDES WRENCH, OPEN END BOX; AND WRENCH, BOX AND OPEN END, COMBINATION.]. 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 5120000181583 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 Jul 01, 2025.