BOLT
P/N AN6H25A
NSN 5306 00 638 5821
MFG AERONAUTICAL STANDARDS
 
NEW GOV SURPLUS
SUPPLIER 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                           0.641 INCHES MINIMUM                             
FASTENER LENGTH                         2.703 INCHES NOMINAL                             
HEAD STYLE                              HEXAGON                                           
HEAD HEIGHT                             0.203 INCHES MINIMUM AND 0.235 INCHES MAXIMUM    
WIDTH BETWEEN FLATS                     0.553 INCHES MINIMUM AND 0.565 INCHES MAXIMUM    
HOLE DIAMETER                           0.070 INCHES NOMINAL                              
NOMINAL THREAD DIAMETER                 0.375 INCHES                                     
GRIP LENGTH                             2.062 INCHES NOMINAL                             
HOLE QUANTITY                           1                                                 
HOLE TYPE                               DRILLED                                          
FEATURES PROVIDED                       FINISHED HEAD                                    
THREAD QUANTITY PER INCH                24                                               
MINIMUM TENSILE STRENGTH                125000 POUNDS PER SQUARE INCH                    
HARDNESS RATING                         26.0 ROCKWELL C MINIMUM AND 32.0 ROCKWELL C      
                                        MAXIMUM OVERALL                                  
HOLE CONFIGURATION STYLE                HEXAGON LONGITUDINAL HOLE                        
MATERIAL                                STEEL COMP 4037 OR STEEL COMP 4130 OR STEEL COMP 
                                        8630 OR STEEL COMP 8735 OR STEEL COMP 8740 OR    
                                        STEEL COMP 4140 OVERALL                          
MATERIAL DOCUMENT AND                   MIL-B-6812 MIL SPEC ALL MATERIAL RESPONSES OVERALL
CLASSIFICATION                                                                           
SURFACE TREATMENT                       CADMIUM AND CHROMATE OVERALL                     
DEFINITIVE GOVERNMENT                   AN6H25A                                           
SPEC/STD REFERENCE                                                                       
SPEC/STD CONTROLLING DATA               88044                                            
MANUFACTURERS CODE                                                                        
SURFACE TREATMENT DOCUMENT              QQ-P-416,TYPE 2,CLASS 3 FED SPEC SINGLE TREATMENT
AND CLASSIFICATION                      RESPONSE OVERALL                                 
THREAD SERIES DESIGNATOR                UNF