5306-00-263-7304 BOLT,MACHINE Index 5306-00-263-7306 BOLT,MACHINE

National Stock Number:
5306-00-263-7305

Federal Supply Class:
5306

National Item Identification Number:
002637305

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
T92411083CATERPILLAR INC
MILB85781349MILITARY SPECIFICATIONS PROMULGATED BY MILITARY DEPARTMENTS/AGENCIES UNDER AUTHORITY OF DEFENSE STANDARDIZATION MANUAL 4120 3-M


Techincal Specification:
FASTENER LENGTH1.531 INCHES NOMINAL
FEATURES PROVIDEDFINISHED HEAD
HARDNESS RATING32.0 ROCKWELL C MINIMUM AND 38.0 ROCKWELL C MAXIMUM OVERALL
HEAD HEIGHT0.226 INCHES MINIMUM AND 0.243 INCHES MAXIMUM
HEAD STYLEHEXAGON
MATERIAL DOCUMENT AND CLASSIFICATIONMIL-S-1222 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL
MATERIALCOPPER ALLOY 857 OVERALL
MINIMUM TENSILE STRENGTH150000 POUNDS PER SQUARE INCH
NOMINAL THREAD DIAMETER0.375 INCHES
NONDEFINITIVE SPEC/STD DATA2 TYPE AND B GRADE
THREAD CLASS2A
THREAD DIRECTIONRIGHT-HAND
THREAD LENGTH1.063 INCHES MINIMUM
THREAD SERIES DESIGNATORUNF
THREAD QUANTITY PER INCH24
WIDTH BETWEEN FLATS0.544 INCHES MINIMUM AND 0.562 INCHES MAXIMUM


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