5306-00-227-0620 BOLT,MACHINE Index 5306-00-227-0623 BOLT,MACHINE

National Stock Number:
5306-00-227-0621

Federal Supply Class:
5306

National Item Identification Number:
002270621

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:
MIL-DTL-122281349MILITARY SPECIFICATIONS PROMULGATED BY MILITARY DEPARTMENTS/AGENCIES UNDER AUTHORITY OF DEFENSE STANDARDIZATION MANUAL 4120 3-M
MIL-S-122281349MILITARY SPECIFICATIONS PROMULGATED BY MILITARY DEPARTMENTS/AGENCIES UNDER AUTHORITY OF DEFENSE STANDARDIZATION MANUAL 4120 3-M


Techincal Specification:
THREAD DIRECTIONRIGHT-HAND
FASTENER LENGTH10.000 INCHES NOMINAL
MATERIALSTEEL OVERALL
THREAD LENGTH2.438 INCHES MINIMUM
HEAD STYLEHEXAGON
THREAD SERIES DESIGNATORUNC
NOMINAL THREAD DIAMETER0.875 INCHES
THREAD QUANTITY PER INCH9
THREAD CLASS2A
HARDNESS RATING22.0 ROCKWELL C MINIMUM AND
32.0 ROCKWELL C MAXIMUM OVERALL
MINIMUM TENSILE STRENGTH115000 POUNDS PER SQUARE INCH
HEAD HEIGHT0.562 INCHES NOMINAL
WIDTH BETWEEN FLATS1.394 INCHES MINIMUM AND
1.438 INCHES MAXIMUM
FEATURES PROVIDEDFINISHED HEAD
NONDEFINITIVE SPEC/STD DATA2 TYPE AND
5 GRADE
SPEC/STD CONTROLLING DATA
MANUFACTURERS CODE81349
NON-DEFINITIVE GOVERNMENT SPEC/STD REFERENCEMIL-DTL-1222


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