National Stock Number
                                            5120-01-337-0512
                                    
                                
                            
                            
                                National Stock Number (NSN) 5120-01-337-0512, or NIIN 013370512, (wrench,spanner) was assigned April 9, 1991 in the Federal Logistics Information System (FLIS).  NIIN 013370512 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) 03476. [A TOOL ON WHICH ARE LOCATED ONE OR MORE PINS, LUGS, HOLES, KEYWAYS, OR HOOKS, DESIGNED TO ENGAGE MATCHING HOLES, SLOTS, OR PROJECTIONS ON A COUPLING, NUT, OR THE LIKE; FOR EXERTING A TORSIONAL FORCE, CONCENTRATED AT A POINT OR POINTS OF A MATING PART, TENDING TO TURN THE MATING PART ABOUT AN AXIS. THE DRIVE END MAY HAVE A HOLE FOR A SEPARATE STRAIGHT BAR USED AS A HANDLE. EXCLUDES:WRENCH, BUNG.]. 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 5120013370512 does not contain precious metals. 
This information was last updated on Aug 01, 2025.