5306-01-557-0821 BOLT,MACHINE Index 5306-01-556-4636 BOLT,MACHINE

National Stock Number:
5306-01-556-4905

Federal Supply Class:
5306

National Item Identification Number:
015564905

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:
1003850461C19MIL-COTS CORPORATION
12759-004930Y3H3FASTENAL COMPANY
393040Y3H3FASTENAL COMPANY
1817860C1338X5ND DEFENSE LLC
1817860C189346NAVISTAR INTL CORP TRUCK BR OHIO PLANT


Techincal Specification:
THREAD DIRECTIONRIGHT-HAND
FASTENER LENGTH70.0 MILLIMETERS NOMINAL
MATERIALSTEEL PROPERTY CLASS 10.9 OVERALL
THREAD LENGTH42.0 MILLIMETERS MINIMUM
HEAD STYLEHEXAGON EXTENDED WASHER
THREAD SERIES DESIGNATORM
NOMINAL THREAD DIAMETER18.0 MILLIMETERS
THREAD PITCH IN MILLIMETERS2.5
THREAD CLASS6G
SURFACE TREATMENTPHOSPHATE OVERALL
HEAD HEIGHT11.7 MILLIMETERS NOMINAL
WIDTH BETWEEN FLATS23.16 MILLIMETERS MINIMUM AND
24.00 MILLIMETERS MAXIMUM
EXTENDED WASHER DIAMETER35.0 MILLIMETERS MAXIMUM
EXTENDED WASHER THICKNESS2.4 MILLIMETERS MINIMUM
SPECIAL FEATURESPROPERTY CLASS AND MANUFACTURERS IDENTIFICATION ON TOPE OF HEAD
PART NAME ASSIGNED BY CONTROLLING AGENCYBOLT, M18 X 70MM LONG


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