5306-01-409-0178 BOLT,MACHINE Index 5305-01-409-0180 SCREW,MACHINE

National Stock Number:
5306-01-409-0179

Federal Supply Class:
5306

National Item Identification Number:
014090179

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:
12448438-319207U S ARMY TANK AUTOMOTIVE COMMAND AMSTA-IM-MM
RCSK14723-719207U S ARMY TANK AUTOMOTIVE COMMAND AMSTA-IM-MM
RCSK14723-734623AM GENERAL LLC


Techincal Specification:
COLORBLACK OVERALL
FASTENER LENGTH2.000 INCHES NOMINAL
HEAD HEIGHT0.420 INCHES MINIMUM AND 0.620 INCHES MAXIMUM
HEAD STYLEHEXAGON
MATERIALSTEEL OVERALL
NOMINAL THREAD DIAMETER0.625 INCHES
SURFACE TREATMENTPHOSPHATE OVERALL
THREAD CLASS2A
THREAD DIRECTIONRIGHT-HAND
THREAD LENGTH1.500 INCHES NOMINAL
THREAD QUANTITY PER INCH11
THREAD SERIES DESIGNATORUNIFIED NATIONAL COARSE (UNC)
WIDTH BETWEEN FLATS0.922 INCHES MINIMUM AND 0.938 INCHES MAXIMUM


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