National Stock Number
5120-01-542-7443
National Stock Number (NSN) 5120-01-542-7443, or NIIN 015427443, (wrench,box and open end,combination) was assigned August 16, 2006 in the Federal Logistics Information System (FLIS). NIIN 015427443 was cancelled on March 2, 2009, with a cancelled status of "Item is Cancelled as Duplicate." This NSN was replaced by NSN 5120014301016. 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 one supplier. 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) 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 5120015427443 does not contain precious metals.
This information was last updated on Jul 01, 2025.