5306-01-351-7057 BOLT,MACHINE Index 5306-01-351-7059 BOLT,MACHINE

National Stock Number:
5306-01-351-7058

Federal Supply Class:
5306

National Item Identification Number:
013517058

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:
MS21095-103896906MILITARY STANDARDS PROMULGATED BY MILITARY DEPARTMENTS UNDER AUTHORITY OF DEFENSE STANDARDIZATION MANUAL 4120 3-M


Techincal Specification:
FASTENER LENGTH3.313 INCHES MINIMUM AND 3.359 INCHES MAXIMUM
FEATURES PROVIDEDFINISHED HEAD
GRIP LENGTH3.365 INCHES MINIMUM AND 3.385 INCHES MAXIMUM
HEAD HEIGHT0.328 INCHES MINIMUM AND 0.360 INCHES MAXIMUM
HEAD STYLEHEXAGON
LOCKING FEATUREPATCH OR PELLET OR STRIP THREADS
MATERIAL DOCUMENT AND CLASSIFICATIONMIL-S-18732 MIL SPEC SINGLE MATERIAL RESPONSE FASTENER
MATERIALPLASTIC POLYAMIDE LOCKING FEATURESTEEL COMP 431 FASTENER
NOMINAL THREAD DIAMETER0.625 INCHES
WIDTH BETWEEN FLATS1.053 INCHES MINIMUM AND 1.066 INCHES MAXIMUM
SURFACE TREATMENTPASSIVATE FASTENER
THREAD CLASS3A
THREAD DIRECTIONRIGHT-HAND
THREAD LENGTH0.969 INCHES NOMINAL
THREAD SERIES DESIGNATORUNF
THREAD QUANTITY PER INCH18


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