5306-01-102-2668 BOLT,MACHINE Index 5306-01-102-2670 BOLT,MACHINE

National Stock Number:
5306-01-102-2669

Federal Supply Class:
5306

National Item Identification Number:
011022669

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:
SS27576-5-440UCY9M.S. AEROSPACE INC.
SS27576-5-4429372HOWMET GLOBAL FASTENING SYSTEMS INC.
SS27576-5-4458794FASTENER TECHNOLOGY CORP
SS27576-5-4478286SIKORSKY AIRCRAFT CORPORATION
SS27576-5-4480539SPS TECHNOLOGIES, LLC
SS27576-5-4484256AVIBANK MFG., INC.


Techincal Specification:
FASTENER LENGTH3.238 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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