5305-00-638-5259 SETSCREW Index 5305-00-638-5262 SETSCREW

National Stock Number:
5306-00-638-5261

Federal Supply Class:
5306

National Item Identification Number:
006385261

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.


Techincal Specification:
FASTENER LENGTH5.000 INCHES NOMINAL
FEATURES PROVIDEDUNFINISHED HEAD AND HEX NUT
GRIP LENGTH3.500 INCHES NOMINAL
HEAD HEIGHT0.422 INCHES NOMINAL
HEAD STYLESQUARE
MATERIALSTEEL OVERALL
MINIMUM TENSILE STRENGTH48000 POUNDS PER SQUARE INCH
NOMINAL THREAD DIAMETER0.625 INCHES
NONDEFINITIVE SPEC/STD DATAA TYPE AND C CLASS
WIDTH BETWEEN FLATS0.906 INCHES MINIMUM AND 0.937 INCHES MAXIMUM
THREAD CLASS2A
THREAD DIRECTIONRIGHT-HAND
THREAD LENGTH1.500 INCHES MINIMUM
THREAD QUANTITY PER INCH11
THREAD SERIES DESIGNATORUNC


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