5306-01-244-3971 BOLT,MACHINE Index 5306-01-244-3973 BOLT,MACHINE

National Stock Number:
5306-01-244-3972

Federal Supply Class:
5306

National Item Identification Number:
012443972

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:
00093101204564678DAIMLER TRUCK NORTH AMERICA LLC
000931012045CN7Z7MERCEDES-BENZ AG
00093101214964678DAIMLER TRUCK NORTH AMERICA LLC
445-0782A486GNIMIKKEISTOKESKUS NCB FINLAND
000931012045D8046DAIMLER AG


Techincal Specification:
THREAD DIRECTIONRIGHT-HAND
FASTENER LENGTH60.00 MILLIMETERS NOMINAL
MATERIALSTEEL PROPERTY CLASS 8.8 OVERALL
THREAD LENGTH30.00 MILLIMETERS NOMINAL
HEAD STYLEHEXAGON
THREAD SERIES DESIGNATORM
NOMINAL THREAD DIAMETER12.0 MILLIMETERS
THREAD PITCH IN MILLIMETERS1.25
EXTERNAL THREAD TOLERANCE CLASS6G
SURFACE TREATMENTPHOSPHATE ZINC OVERALL
HARDNESS RATING18.0 ROCKWELL C MINIMUM AND
31.0 ROCKWELL C MAXIMUM OVERALL
MINIMUM TENSILE STRENGTH113784 POUNDS PER SQUARE INCH
HEAD HEIGHT8.0 MILLIMETERS NOMINAL
WIDTH BETWEEN FLATS19.0 MILLIMETERS NOMINAL
FEATURES PROVIDEDFINISHED HEAD


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