5306-01-612-6853 BOLT,RIBBED NECK 5306-01-612-8118 BOLT,SHOULDER

National Stock Number:
5306-01-612-7114

Federal Supply Class:
5306

National Item Identification Number:
016127114

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:
HFLM1230233FOSTER-MILLER, INC.
HFLM12030L-230233FOSTER-MILLER, INC.


Techincal Specification:
EXTERNAL THREAD TOLERANCE CLASS6G
FASTENER LENGTH30.0 MILLIMETERS NOMINAL
HARDNESS RATING33.0 ROCKWELL C MINIMUM AND 39.0 ROCKWELL C MAXIMUM OVERALL
HEAD HEIGHT11.5 MILLIMETERS NOMINAL
HEAD STYLEHEXAGON
MATERIALSTEEL OVERALL
PART NAME ASSIGNED BY CONTROLLING AGENCYBOLT, FLANGE HEXAGON HEAD
PROPRIETARY CHARACTERISTICSPACS
MINIMUM TENSILE STRENGTH1040 MEGAPASCALS
MINIMUM YIELD STRENGTH940 MEGAPASCALS
NOMINAL THREAD DIAMETER12.0 MILLIMETERS
WIDTH BETWEEN FLATS18.0 MILLIMETERS NOMINAL
THREAD CLASS6G
THREAD DIRECTIONRIGHT-HAND
THREAD SERIES DESIGNATORM
THREAD PITCH IN MILLIMETERS30.0


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