National Stock Number
5120-00-555-0998
National Stock Number (NSN) 5120-00-555-0998, or NIIN 005550998, (wrench,box) was assigned January 1, 1963 in the Federal Logistics Information System (FLIS). NIIN 005550998 was cancelled on November 2, 2016, with a cancelled status of "Item is Cancelled as Duplicate." This NSN was replaced by NSN 5120013785766. This NSN replaces 3 stock numbers: 5120009473538, 5120009357360, 5120005713679.
There are 7 manufacturer part numbers associated with this NSN. 3 of those part number(s) are considered obsolete. The manufacturer part numbers were originally supplied by 4 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.
This NSN is unique to one weapons system.
There has been very little 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 Apr 01, 2020, 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 5120005550998 does not contain precious metals.
This information was last updated on Aug 01, 2025.