BOLT MACHINE
PN NAS501-3-14A
NSN 5306 00 904 4146
MFG NATIONAL AEROSPACE STANDARDS
 
NEW GOV SURPLUS
SUIPPLIER CAGE CODE 03EF7
 
ITEM NAME   BOLT,MACHINE
DEFINITION  An externally threaded fastener designed for insertion through holes
             in assembled parts and normally intended to be tightened or released
             by torqueing a nut.  The threaded and unthreaded portions are both of
             one nominal diameter of 0.190 inch (5 mm) or larger. The head is not
             designed to be held or driven with an inserted driver or by the thumb
             and fingers.  A locking feature may be incorporated in the design of
             the head or threads.  Head dimensions and sizes of threaded and
             unthreaded portions shall conform to internationally recognized
             fastener standards.  For items having a grip length portion machined
             to a tolerance of 0.0015 inch (0.038 mm) or less, BOLT, SHEAR. See
             also SCREW, CAP, HEXAGON HEAD and SCREW, MACHINE.
            
 
CHARACTERISTIC                          VALUE
THREAD CLASS                            3A                                                
THREAD DIRECTION                        RIGHT-HAND                                       
THREAD LENGTH                           0.374 INCHES MINIMUM AND 0.453 INCHES MAXIMUM    
FASTENER LENGTH                         1.515 INCHES MINIMUM AND 1.562 INCHES MAXIMUM    
HEAD STYLE                              HEXAGON                                          
HEAD HEIGHT                             0.109 INCHES MINIMUM AND 0.141 INCHES MAXIMUM    
WIDTH BETWEEN FLATS                     0.365 INCHES MINIMUM AND 0.377 INCHES MAXIMUM    
NOMINAL THREAD DIAMETER                 0.190 INCHES                                     
GRIP LENGTH                             1.109 INCHES MINIMUM AND 1.141 INCHES MAXIMUM    
FEATURES PROVIDED                       FINISHED HEAD                                    
THREAD QUANTITY PER INCH                32                                               
MATERIAL                                STEEL COMP 321 OR STEEL COMP 347 OVERALL          
MATERIAL DOCUMENT AND                   AMS 5645 ASSN STD 1ST MATERIAL RESPONSE OR AMS   
CLASSIFICATION                          5646 ASSN STD 2ND MATERIAL RESPONSE OVERALL      
SURFACE TREATMENT                       PASSIVATE OVERALL                                 
THREAD SERIES DESIGNATOR                UNF                                              
SPECIFICATION/STANDARD DATA             80205-NAS501 PROFESSIONAL/INDUSTRIAL ASSOCIATION 
                                        STANDARD