5306-01-242-1141 BOLT,MACHINE Index 5305-01-242-1143 SCREW,TAPPING

National Stock Number:
5306-01-242-1142

Federal Supply Class:
5306

National Item Identification Number:
012421142

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:
91414101240464678DAIMLER TRUCK NORTH AMERICA LLC
914141012404CN7Z7MERCEDES-BENZ AG
914141012404D8046DAIMLER AG


Techincal Specification:
FEATURES PROVIDEDFINISHED HEAD
HARDNESS RATING34.0 ROCKWELL C MINIMUM OVERALL AND 44.0 ROCKWELL C MAXIMUM OVERALL
HEAD HEIGHT8.0 MILLIMETERS NOMINAL
HEAD STYLEHEXAGON
MATERIALSTEEL PROPERTY CLASS 12.9 OVERALL
PROPRIETARY CHARACTERISTICSPACS
MINIMUM TENSILE STRENGTH170000 POUNDS PER SQUARE INCH
NOMINAL THREAD DIAMETER12.0 MILLIMETERS
WIDTH BETWEEN FLATS19.0 MILLIMETERS NOMINAL
SURFACE TREATMENTPHOSPHATE OVERALL
THREAD DIRECTIONRIGHT-HAND
THREAD LENGTH42.0 MILLIMETERS MINIMUM AND 45.0 MILLIMETERS MAXIMUM
THREAD SERIES DESIGNATORM
THREAD PITCH IN MILLIMETERS1.5
EXTERNAL THREAD TOLERANCE CLASS6G
FASTENER LENGTH45.00 MILLIMETERS NOMINAL


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