1020-00-159-3547 COUPLING Index 1020-00-159-3551 SHAFT ASSEMBLY

National Stock Number:
5306-00-159-3550

Federal Supply Class:
5306

National Item Identification Number:
001593550

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:
2584970-180064NAVAL SHIP SYSTEMS COMMAND


Techincal Specification:
FASTENER LENGTH6.938 INCHES MINIMUM AND 7.000 INCHES MAXIMUM
FEATURES PROVIDEDFINISHED HEAD
HEAD HEIGHT0.591 INCHES MINIMUM AND 0.627 INCHES MAXIMUM
HEAD STYLEHEXAGON
MATERIALSTEEL COMP 1345 OR STEEL COMP 4140 OVERALL
NOMINAL THREAD DIAMETER1.000 INCHES
WIDTH BETWEEN FLATS1.469 INCHES MINIMUM AND 1.500 INCHES MAXIMUM
THREAD CLASS2A
THREAD LENGTH1.812 INCHES MINIMUM AND 1.938 INCHES MAXIMUM
THREAD QUANTITY PER INCH8
THREAD SERIES DESIGNATORUNC


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