5306-00-206-9809 BOLT,MACHINE Index 5305-00-206-9820 SCREW,MACHINE

National Stock Number:
5306-00-206-9813

Federal Supply Class:
5306

National Item Identification Number:
002069813

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:
9661119200US ARMY ARDEC RDECOM
9661119205SPRINGFIELD ARMORY


Techincal Specification:
FASTENER LENGTH0.546 INCHES MINIMUM AND 0.562 INCHES MAXIMUM
FEATURES PROVIDEDFINISHED HEAD
HARDNESS RATING28.0 ROCKWELL C MINIMUM AND 32.0 ROCKWELL C MAXIMUM OVERALL
HEAD HEIGHT0.250 INCHES MINIMUM AND 0.266 INCHES MAXIMUM
HEAD STYLEHEXAGON
HOLE CONFIGURATION STYLEHEXAGON FLATS
HOLE DIAMETER0.070 INCHES NOMINAL
HOLE QUANTITY1
HOLE TYPEDRILLED
MATERIALSTEEL COMP 4130 OVERALL
NOMINAL THREAD DIAMETER0.625 INCHES
WIDTH BETWEEN FLATS0.875 INCHES NOMINAL
THREAD CLASS3A
THREAD DIRECTIONRIGHT-HAND
THREAD LENGTH0.281 INCHES MINIMUM
THREAD QUANTITY PER INCH18
THREAD SERIES DESIGNATORUNF


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