5306-01-125-6187 BOLT,MACHINE Index 5306-01-125-6189 BOLT,MACHINE

National Stock Number:
5306-01-125-6188

Federal Supply Class:
5306

National Item Identification Number:
011256188

Description:
BOLT,MACHINE

Detail:
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.


Manufacturer Information:
AN6H45A88044AERONAUTICAL STANDARDS GROUP DEPT OF NAVY AND AIR FORCE


Techincal Specification:
THREAD DIRECTIONRIGHT-HAND
FASTENER LENGTH4.687 INCHES MINIMUM AND
4.734 INCHES MAXIMUM
MATERIALSTEEL COMP 4140 OR
STEEL COMP 8740 OR
STEEL COMP 8630 OR
STEEL COMP 8735 OR
STEEL COMP 4130 OR
STEEL COMP 4037 OVERALL
THREAD LENGTH0.609 INCHES MINIMUM AND
0.688 INCHES MAXIMUM
HEAD STYLEHEXAGON
THREAD SERIES DESIGNATORUNF
NOMINAL THREAD DIAMETER0.375 INCHES
THREAD QUANTITY PER INCH24
THREAD CLASS3A
SURFACE TREATMENTCADMIUM AND
CHROMATE OVERALL
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONQQ-P-416,TY2,CL3 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
HARDNESS RATING26.0 ROCKWELL C MINIMUM AND
32.0 ROCKWELL C MAXIMUM OVERALL
MINIMUM TENSILE STRENGTH125000 POUNDS PER SQUARE INCH
HEAD HEIGHT0.203 INCHES MINIMUM AND
0.235 INCHES MAXIMUM
WIDTH BETWEEN FLATS0.553 INCHES MINIMUM AND
0.565 INCHES MAXIMUM
HOLE CONFIGURATION STYLEHEXAGON FLATS
HOLE TYPEDRILLED
HOLE QUANTITY1
HOLE DIAMETER0.070 INCHES MINIMUM AND
0.080 INCHES MAXIMUM
GRIP LENGTH4.046 INCHES MINIMUM AND
4.078 INCHES MAXIMUM
FEATURES PROVIDEDFINISHED HEAD
SPEC/STD CONTROLLING DATA
MANUFACTURERS CODE88044
DEFINITIVE GOVERNMENT SPEC/STD REFERENCEAN6H45A


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