5305-01-102-2666 SCREW,MACHINE Index 5306-01-102-2669 BOLT,MACHINE

National Stock Number:
5306-01-102-2668

Federal Supply Class:
5306

National Item Identification Number:
011022668

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:
SS27576-5-170UCY9M.S. AEROSPACE INC.
SS27576-5-1729372HOWMET GLOBAL FASTENING SYSTEMS INC.
SS27576-5-1756878SPS TECHNOLOGIES, LLC
SS27576-5-1757879AERONAUTICAL ROTOR BLADES INC
SS27576-5-1778286SIKORSKY AIRCRAFT CORPORATION
SS27576-5-1780539SPS TECHNOLOGIES, LLC
SS27576-5-1784256AVIBANK MFG., INC.


Techincal Specification:
FASTENER LENGTH1.550 INCHES NOMINAL
HEAD HEIGHT0.157 INCHES MINIMUM AND 0.172 INCHES MAXIMUM
HEAD STYLECROWNED HEXAGON
MATERIALSTEEL OVERALL
NOMINAL THREAD DIAMETER0.312 INCHES
SURFACE TREATMENTCADMIUM OVERALL
THREAD CLASS3A
THREAD QUANTITY PER INCH24
THREAD SERIES DESIGNATORUNIFIED NATIONAL JOINT FINE (UNJF)
WIDTH BETWEEN FLATS0.492 INCHES MINIMUM AND 0.502 INCHES MAXIMUM


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