National Stock Number
                                            5120-01-280-2259
                                    
                                
                            
                            
                                National Stock Number (NSN) 5120-01-280-2259, or NIIN 012802259, (wrench,box) was assigned June 4, 1988 in the Federal Logistics Information System (FLIS). This NIIN is Available for Manual Assignment. This NSN does not replace any other NSNs. 
There are no manufacturer part numbers associated to this NSN. 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 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 but does have other critical feature(s) 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 5120012802259 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 Aug 01, 2025.