5306-00-151-3473 BOLT,MACHINE Index 5306-00-151-3475 BOLT,MACHINE

National Stock Number:
5306-00-151-3474

Federal Supply Class:
5306

National Item Identification Number:
001513474

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:
60-7-1280049DEPARTMENT OF THE AIR FORCE
60-7-1299238AIR FORCE STANDARD
FFB571ANDCLASSC81348FEDERAL SPECIFICATIONS PROMULGATED BY GENERAL SERVICES ADMINISTRATION WASHINGTON DC


Techincal Specification:
THREAD DIRECTIONRIGHT-HAND
FASTENER LENGTH1.250 INCHES NOMINAL
MATERIALSTEEL OVERALL
THREAD LENGTH1.000 INCHES MAXIMUM
HEAD STYLEHEXAGON
THREAD SERIES DESIGNATORUNF
NOMINAL THREAD DIAMETER0.438 INCHES
THREAD QUANTITY PER INCH20
THREAD CLASS2A
SURFACE TREATMENTCADMIUM OR
ZINC OVERALL
HEAD HEIGHT0.300 INCHES NOMINAL
WIDTH BETWEEN FLATS0.625 INCHES NOMINAL
FEATURES PROVIDEDFINISHED HEAD
NONDEFINITIVE SPEC/STD DATAC CLASS
SPEC/STD CONTROLLING DATA
MANUFACTURERS CODE81348
NON-DEFINITIVE GOVERNMENT SPEC/STD REFERENCEFFB571ANDCLASSC
MANUFACTURERS CODE99238
DEFINITIVE GOVERNMENT SPEC/STD REFERENCE60-7-12


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