National Stock Number
5120-01-431-3997
National Stock Number (NSN) 5120-01-431-3997, or NIIN 014313997, (wrench,box and open end,combination) was assigned May 12, 1996 in the Federal Logistics Information System (FLIS). NIIN 014313997 was cancelled on May 1, 2010, with a cancelled status of "Item is Cancelled - Inactive." There is no known replacement specified for this stock number. 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, one supplier is listed as an Active supplier 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.
There has been very little demand for this national stock number. The demand for this NSN originated from less than 5 countries.
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 5120014313997 does not contain precious metals.
This information was last updated on Aug 01, 2025.