5306-01-224-2377 BOLT,MACHINE Index 5305-01-224-2379 SCREW,EXTERNALLY RELIEVED BODY

National Stock Number:
5306-01-224-2378

Federal Supply Class:
5306

National Item Identification Number:
012242378

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:
AN10H4288044AERONAUTICAL STANDARDS GROUP DEPT OF NAVY AND AIR FORCE


Techincal Specification:
DISTANCE FROM HEAD LARGEST BEARING SURFACE TO SHANK HOLE CENTER4.156 INCHES MINIMUM AND 4.188 INCHES MAXIMUM FIRST HOLE
FASTENER LENGTH4.375 INCHES MINIMUM AND 4.422 INCHES MAXIMUM
FEATURES PROVIDEDFINISHED HEAD
GRIP LENGTH3.422 INCHES MINIMUM AND 3.454 INCHES MAXIMUM
HARDNESS RATING26.0 ROCKWELL C MINIMUM AND 32.0 ROCKWELL C MAXIMUM OVERALL
HEAD HEIGHT0.328 INCHES MINIMUM AND 0.360 INCHES MAXIMUM
HEAD STYLEHEXAGON
HOLE CONFIGURATION STYLEDOUBLE HEXAGON FLATS
HOLE DIAMETER0.070 INCHES MINIMUM AND 0.080 INCHES MAXIMUM
HOLE QUANTITY1
HOLE TYPEDRILLED
MATERIALSTEEL COMP 4140 OR STEEL COMP 8740 OR STEEL COMP 8735 OR STEEL COMP 4130 OVERALL
MINIMUM TENSILE STRENGTH125000 POUNDS PER SQUARE INCH
NOMINAL THREAD DIAMETER0.625 INCHES
SHANK UNTHREADED HOLE DIAMETER0.141 INCHES MINIMUM AND 0.151 INCHES MAXIMUM FIRST HOLE
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONQQ-P-416,TY 2,CL 3 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
SURFACE TREATMENTCADMIUM AND CHROMATE OVERALL
THREAD CLASS3A
THREAD DIRECTIONRIGHT-HAND
THREAD LENGTH0.921 INCHES MINIMUM AND 1.000 INCHES MAXIMUM
THREAD SERIES DESIGNATORUNF
THREAD QUANTITY PER INCH18
WIDTH BETWEEN FLATS0.928 INCHES MINIMUM AND 0.940 INCHES MAXIMUM


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