| 
                                    
                                 | 
                            
                            
                                
                                     
                                 | 
                            
		                    
		                        
		                             National Stock Number: 5305-01-606-5511
  Federal Supply Class: 5305
  National Item Identification Number: 016065511
  Description: SETSCREW
  Detail: An externally threaded device whose threaded portion is of one nominal diameter with or without a head and having a cup, cone, or other type of machined point designed to prevent or restrict relative movement of parts and designed to be driven with either a wrench or inserted driver. A locking feature may be incorporated in the design of the head or threads. 
		                         | 
		                    
		                    
		                        
                                    
  Manufacturer Information:
 | 845-7504734-01-X-87 | 53711 | NAVAL SEA SYSTEMS COMMAND |   
		                         | 
		                    
				            
					            
						            
  Techincal Specification:
 | THREAD SERIES DESIGNATOR | UNC |  | NOMINAL THREAD DIAMETER | 0.25 INCHES |  | THREAD QUANTITY PER INCH | 20 |  | THREAD CLASS | 3A |  | THREAD DIRECTION | RIGHT-HAND |  | FASTENER LENGTH | 0.25 INCHES NOMINAL |  | MATERIAL | STEEL CORROSION RESISTING OVERALL |  | HEAD STYLE | HEADLESS (SETSCREW) |  | INTERNAL DRIVE STYLE | HEXAGON |  | WIDTH ACROSS FLATS | 0.125 INCHES NOMINAL |   
					             |