3040-00-057-1116 GEARSHAFT,MULTIPLE GEARS Index 5305-00-057-1122 SCREW,CAP,HEXAGON HEAD

National Stock Number:
5306-00-057-1120

Federal Supply Class:
5306

National Item Identification Number:
000571120

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:
57112019207U S ARMY TANK AUTOMOTIVE COMMAND AMSTA-IM-MM
MS51108-3496906MILITARY STANDARDS PROMULGATED BY MILITARY DEPARTMENTS UNDER AUTHORITY OF DEFENSE STANDARDIZATION MANUAL 4120 3-M


Techincal Specification:
THREAD DIRECTIONRIGHT-HAND
FASTENER LENGTH1.000 INCHES NOMINAL
MATERIALSTEEL OVERALL
THREAD LENGTH1.000 INCHES MINIMUM
HEAD STYLEHEXAGON
THREAD SERIES DESIGNATORUNF
NOMINAL THREAD DIAMETER0.312 INCHES
THREAD QUANTITY PER INCH24
THREAD CLASS2A
MATERIAL DOCUMENT AND CLASSIFICATIONSAE GR 8 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
SURFACE TREATMENTPHOSPHATE OVERALL
HARDNESS RATING47.0 ROCKWELL C NOMINAL OVERALL
HEAD HEIGHT0.203 INCHES NOMINAL
WIDTH BETWEEN FLATS0.500 INCHES NOMINAL
DISTANCE FROM HEAD LARGEST BEARING SURFACE TO SHANK HOLE CENTER0.875 INCHES NOMINAL FIRST HOLE
SHANK UNTHREADED HOLE DIAMETER0.076 INCHES NOMINAL FIRST HOLE
FEATURES PROVIDEDFINISHED HEAD
DEPARTURE FROM CITED DOCUMENTAS MODIFIED BY BEING DRILLED FOR CUTTER PIN HOLE
NONDEFINITIVE SPEC/STD DATA2 TYPE AND
10P STYLE
SPEC/STD CONTROLLING DATA
MANUFACTURERS CODE96906
DEFINITIVE GOVERNMENT SPEC/STD REFERENCEMS51108-34


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