5306-01-314-6736 BOLT,MACHINE Index 5305-01-314-6738 SCREW,EXTERNALLY RELIEVED BODY

National Stock Number:
5306-01-314-6737

Federal Supply Class:
5306

National Item Identification Number:
013146737

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:
AN18H45A88044AERONAUTICAL STANDARDS GROUP DEPT OF NAVY AND AIR FORCE


Techincal Specification:
DISTANCE FROM HEAD LARGEST BEARING SURFACE TO SHANK HOLE CENTER4.484 INCHES MINIMUM AND 4.516 INCHES MAXIMUM FIRST HOLE
FASTENER LENGTH4.796 INCHES MINIMUM AND 4.843 INCHES MAXIMUM
FEATURES PROVIDEDFINISHED HEAD
HARDNESS RATING26.0 ROCKWELL C MINIMUM AND 32.0 ROCKWELL C MAXIMUM OVERALL
HEAD HEIGHT0.578 INCHES MINIMUM AND 0.610 INCHES MAXIMUM
HEAD STYLEHEXAGON
HOLE CONFIGURATION STYLEHEXAGON FLATS
HOLE DIAMETER0.070 INCHES MINIMUM AND 0.080 INCHES MAXIMUM
HOLE QUANTITY1
HOLE TYPEDRILLED
MATERIALSTEEL COMP 4140 OR STEEL COMP 4130 OR STEEL COMP 8735 OR STEEL COMP 8740 OR STEEL COMP 4037 OVERALL
MINIMUM TENSILE STRENGTH125000 POUNDS PER SQUARE INCH
NOMINAL THREAD DIAMETER1.125 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 2 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
SURFACE TREATMENTCADMIUM AND CHROMATE OVERALL
THREAD CLASS3A
THREAD DIRECTIONRIGHT-HAND
THREAD LENGTH1.468 INCHES MINIMUM AND 1.547 INCHES MAXIMUM
THREAD SERIES DESIGNATORUNF
THREAD QUANTITY PER INCH12
WIDTH BETWEEN FLATS1.615 INCHES MINIMUM AND 1.628 INCHES MAXIMUM


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