5306-01-569-0492 BOLT,INTERNAL WRENCHING Index 5306-01-569-0658 BOLT,MACHINE

National Stock Number:
5306-01-569-0621

Federal Supply Class:
5306

National Item Identification Number:
015690621

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:
AN12-H2580205NATIONAL AEROSPACE STANDARDS COMMITTEE AEROSPACE INDUSTRIES ASSOCIATION OF AMERICA INC NOT FOR RFQ OR SOLICITATION USE


Techincal Specification:
THREAD DIRECTIONRIGHT-HAND
FASTENER LENGTH2.781 INCHES NOMINAL
MATERIALSTEEL OVERALL
THREAD LENGTH1.094 INCHES NOMINAL
HEAD STYLEHEXAGON
THREAD SERIES DESIGNATORUNF
NOMINAL THREAD DIAMETER0.750 INCHES
THREAD QUANTITY PER INCH16
THREAD CLASS3A
SURFACE TREATMENTCADMIUM OVERALL
HARDNESS RATING26.0 ROCKWELL C MINIMUM AND
32.0 ROCKWELL C MAXIMUM OVERALL
MINIMUM TENSILE STRENGTH125000 POUNDS PER SQUARE INCH
HEAD HEIGHT0.390 INCHES MINIMUM AND
0.422 INCHES MAXIMUM
WIDTH BETWEEN FLATS1.053 INCHES MINIMUM AND
1.066 INCHES MAXIMUM
GRIP LENGTH1.688 INCHES NOMINAL
FEATURES PROVIDEDFINISHED HEAD


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