5306-01-102-2670 BOLT,MACHINE Index 5306-01-102-2672 BOLT,MACHINE

National Stock Number:
5306-01-102-2671

Federal Supply Class:
5306

National Item Identification Number:
011022671

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:
SS27576-5-400CUY9COLORADO ELEVATOR SERVICE INC.
SS27576-5-400UCY9M.S. AEROSPACE INC.
SS27576-5-4029372HOWMET GLOBAL FASTENING SYSTEMS INC.
SS27576-5-4056879GENOVA INC
SS27576-5-4058794FASTENER TECHNOLOGY CORP
SS27576-5-4078286SIKORSKY AIRCRAFT CORPORATION
SS27576-5-4080539SPS TECHNOLOGIES, LLC
SS27576-5-4084256AVIBANK MFG., INC.


Techincal Specification:
FASTENER LENGTH2.988 INCHES NOMINAL
HEAD HEIGHT0.157 INCHES MINIMUM AND 0.172 INCHES MAXIMUM
HEAD STYLECROWNED HEXAGON
MATERIALSTEEL OVERALL
NOMINAL THREAD DIAMETER0.312 INCHES
WIDTH BETWEEN FLATS0.492 INCHES MINIMUM AND 0.502 INCHES MAXIMUM
SURFACE TREATMENTCADMIUM OVERALL
THREAD CLASS3A
THREAD QUANTITY PER INCH24
THREAD SERIES DESIGNATORUNIFIED NATIONAL JOINT FINE (UNJF)


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