5306-00-150-9281 BOLT,MACHINE Index 5306-00-150-9284 BOLT,MACHINE

National Stock Number:
5306-00-150-9283

Federal Supply Class:
5306

National Item Identification Number:
001509283

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:
AN75-2688044AERONAUTICAL STANDARDS GROUP DEPT OF NAVY AND AIR FORCE
B681281349MILITARY SPECIFICATIONS PROMULGATED BY MILITARY DEPARTMENTS/AGENCIES UNDER AUTHORITY OF DEFENSE STANDARDIZATION MANUAL 4120 3-M
MS20073-05-2696906MILITARY STANDARDS PROMULGATED BY MILITARY DEPARTMENTS UNDER AUTHORITY OF DEFENSE STANDARDIZATION MANUAL 4120 3-M


Techincal Specification:
FASTENER LENGTH2.797 INCHES NOMINAL
FEATURES PROVIDEDFINISHED HEAD
GRIP LENGTH2.250 INCHES NOMINAL
HARDNESS RATING26.0 ROCKWELL C MINIMUM AND 32.0 ROCKWELL C MAXIMUM OVERALL
HEAD HEIGHT0.266 INCHES MINIMUM AND 0.297 INCHES MAXIMUM
HEAD STYLEHEXAGON
HOLE CONFIGURATION STYLEHEXAGON LONGITUDINAL HOLE
HOLE DIAMETER0.062 INCHES NOMINAL
HOLE TYPEDRILLED
HOLE QUANTITY6
MATERIALSTEEL OVERALL
MINIMUM TENSILE STRENGTH125000 POUNDS PER SQUARE INCH
NOMINAL THREAD DIAMETER0.312 INCHES
WIDTH BETWEEN FLATS0.492 INCHES MINIMUM AND 0.501 INCHES MAXIMUM
SURFACE TREATMENTCADMIUM AND CHROMATE AND ENAMEL OVERALL
THREAD CLASS3A
THREAD DIRECTIONRIGHT-HAND
THREAD LENGTH0.515 INCHES MINIMUM
THREAD QUANTITY PER INCH24
THREAD SERIES DESIGNATORUNF


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