National Stock Number
                                            5310-01-281-4678
                                    
                                
                            
                            
                                National Stock Number (NSN) 5310-01-281-4678, or NIIN 012814678, (nut,self-locking,cap) was assigned June 24, 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.  
This part number has not been procured by the US Government in over 5 years. 
This NSN is unique to one weapons system. 
   
This NSN is assigned to Item Name Code (INC) 05275. [A NUT INTERNALLY THREADED FROM ONE END, AND COMPLETELY ENCLOSED ON THE OPPOSITE END. THE OUTER PERIPHERY PARALLEL TO THE THREADED AXIS MAY BE SQUARE, CYLINDRICAL, HEXAGONAL, OCTAGONAL, DODECAGONAL OR THE LIKE AND TAPER TO A CONE OR DOME SHAPE ON THE CLOSED END. AN INTEGRAL FEATURE IS INCORPORATED FOR LOCKING ON THE THREADS OF A MATING MEMEBER. EXCLUDES:NUT (1), STAMPED.]. There is no data in the HMIRS and the NSN is in an FSC not generally suspected of containing hazardous materials. NSN 5310012814678 contains an unknown precious metal. 
This information was last updated on Aug 01, 2025.