2530-00-732-6176 DRUM Index 2910-00-732-6188 SPACER

National Stock Number:
5306-00-732-6178

Federal Supply Class:
5306

National Item Identification Number:
007326178

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:
124405D19207U S ARMY TANK AUTOMOTIVE COMMAND AMSTA-IM-MM


Techincal Specification:
THREAD DIRECTIONRIGHT-HAND
FASTENER LENGTH0.620 INCHES NOMINAL
MATERIALSTEEL OVERALL
THREAD LENGTH0.620 INCHES MINIMUM
HEAD STYLEHEXAGON
THREAD SERIES DESIGNATORUNF
NOMINAL THREAD DIAMETER0.312 INCHES
THREAD QUANTITY PER INCH24
THREAD CLASS3A
SURFACE TREATMENTCADMIUM OR
ZINC OVERALL
HEAD HEIGHT0.227 INCHES MINIMUM AND
0.242 INCHES MAXIMUM
WIDTH BETWEEN FLATS0.489 INCHES MINIMUM AND
0.500 INCHES MAXIMUM
HOLE CONFIGURATION STYLEHEXAGON FLATS
HOLE TYPEDRILLED
HOLE QUANTITY2
HOLE DIAMETER0.070 INCHES NOMINAL
FEATURES PROVIDEDFINISHED HEAD
THE MANUFACTURERS DATA
MANUFACTURERS CODE19207
DESIGN CONTROL REFERENCE124405D


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