5306-01-024-8475 BOLT,MACHINE Index 5305-01-024-8477 SCREW,MACHINE

National Stock Number:
5306-01-024-8476

Federal Supply Class:
5306

National Item Identification Number:
010248476

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:
MS9734-140U583SAE INTERNATIONAL
MS9734-1481343SOCIETY OF AUTOMOTIVE ENGINEERS INC
MS9734-1496906MILITARY STANDARDS PROMULGATED BY MILITARY DEPARTMENTS UNDER AUTHORITY OF DEFENSE STANDARDIZATION MANUAL 4120 3-M


Techincal Specification:
EXTENDED WASHER DIAMETER0.490 INCHES MINIMUM AND 0.510 INCHES MAXIMUM
EXTENDED WASHER THICKNESS0.070 INCHES MINIMUM
FASTENER LENGTH1.115 INCHES MINIMUM AND 1.135 INCHES MAXIMUM
FEATURES PROVIDEDFINISHED HEAD
GRIP LENGTH0.190 INCHES MINIMUM AND 0.250 INCHES MAXIMUM
HARDNESS RATING32.0 ROCKWELL C MINIMUM AND 38.0 ROCKWELL C MAXIMUM OVERALL
HEAD HEIGHT0.328 INCHES MINIMUM AND 0.348 INCHES MAXIMUM
HEAD STYLEDOUBLE HEXAGON W/HOLE
MATERIAL DOCUMENT AND CLASSIFICATIONAMS 5643 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
MATERIALSTEEL COMP 630 OVERALL
MINIMUM TENSILE STRENGTH140000 POUNDS PER SQUARE INCH
MINIMUM YIELD STRENGTH120000 POUNDS PER SQUARE INCH
NOMINAL THREAD DIAMETER0.312 INCHES
WIDTH BETWEEN FLATS0.365 INCHES MINIMUM AND 0.385 INCHES MAXIMUM
SURFACE FINISH32.0 MICROINCHES BEARING SURFACE OF HEAD
SURFACE FINISH32.0 MICROINCHES GRIP
SURFACE FINISH32.0 MICROINCHES THREADS
THREAD CLASS3A
THREAD DIRECTIONRIGHT-HAND
THREAD LENGTH0.865 INCHES MINIMUM AND 0.945 INCHES MAXIMUM
THREAD QUANTITY PER INCH24
THREAD SERIES DESIGNATORUNJF


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