5306-00-151-1903 BOLT,MACHINE Index 5306-00-151-1905 BOLT,MACHINE

National Stock Number:
5306-00-151-1904

Federal Supply Class:
5306

National Item Identification Number:
001511904

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:
60-10-3480049DEPARTMENT OF THE AIR FORCE
FFB57181348FEDERAL SPECIFICATIONS PROMULGATED BY GENERAL SERVICES ADMINISTRATION WASHINGTON DC


Techincal Specification:
THREAD DIRECTIONRIGHT-HAND
FASTENER LENGTH3.500 INCHES NOMINAL
MATERIALSTEEL OVERALL
THREAD LENGTH1.500 INCHES MINIMUM
HEAD STYLEHEXAGON
THREAD SERIES DESIGNATORUNF
NOMINAL THREAD DIAMETER0.625 INCHES
THREAD QUANTITY PER INCH18
THREAD CLASS2A
SURFACE TREATMENTCADMIUM OR
ZINC OVERALL
MINIMUM TENSILE STRENGTH48000 POUNDS PER SQUARE INCH
HEAD HEIGHT0.413 INCHES NOMINAL
WIDTH BETWEEN FLATS0.938 INCHES NOMINAL
FEATURES PROVIDEDUNFINISHED HEAD
SPEC/STD CONTROLLING DATA
MANUFACTURERS CODE81348
NON-DEFINITIVE GOVERNMENT SPEC/STD REFERENCEFFB571


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