BOLT MACHINE
PN 12008026
NSN 5306-01-032-7039
MFG US ARMY
 
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 torquing 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                           1.230 INCHES NOMINAL                             
FASTENER LENGTH                         4.120 INCHES NOMINAL                             
HEAD STYLE                              HEXAGON                                          
HEAD HEIGHT                             0.630 INCHES NOMINAL                             
WIDTH BETWEEN FLATS                     1.390 INCHES MINIMUM AND 1.490 INCHES MAXIMUM    
NOMINAL THREAD DIAMETER                 1.000 INCHES                                     
THREAD QUANTITY PER INCH                12                                               
HARDNESS RATING                         28.0 ROCKWELL C MINIMUM AND 32.0 ROCKWELL C      
                                        MAXIMUM OVERALL                                  
SURFACE FINISH                          32.0 MICROINCHES OVERALL                         
MATERIAL                                STEEL COMP 4130 OR STEEL COMP 4140 OR STEEL COMP 
                                        4340 OR STEEL COMP 8630 OVERALL                  
MATERIAL DOCUMENT AND                   ASTM A322 ASSN STD 1ST MATERIAL RESPONSE OR ASTM 
CLASSIFICATION                          A331 ASSN STD 2ND MATERIAL RESPONSE OVERALL      
SURFACE TREATMENT                       CHROMIUM GRIP CADMIUM THREADS                    
DESIGN CONTROL REFERENCE                12008026                                         
THE MANUFACTURERS DATA                  19204                                            
MANUFACTURERS CODE                                                                       
SURFACE TREATMENT DOCUMENT              QQ-C-320,CLASS 2C FED SPEC SINGLE TREATMENT       
AND CLASSIFICATION                      RESPONSE GRIP QQ-P-416,TYPE 2 OR 3 FED SPEC SINGLE
                                        TREATMENT RESPONSE THREADS                       
THREAD SERIES DESIGNATOR                UNF