5306-01-446-2593, BOLT,MACHINE

National Stock Number:
5306-01-446-2593

Federal Supply Class:
5306

National Item Identification Number:
014462593

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:

D70331/1-8C18	15434	CUMMINS INC.
D70331/1-8C18	81349	MILITARY SPECIFICATIONS PROMULGATED BY MILITARY DEPARTMENTS/AGENCIES UNDER AUTHORITY OF DEFENSE STANDARDIZATION MANUAL 4120 3-M

Techincal Specification:

THREAD DIRECTION	RIGHT-HAND
FASTENER LENGTH	17.30 MILLIMETERS MINIMUM AND
	18.00 MILLIMETERS MAXIMUM
MATERIAL	STEEL PROPERTY CLASS 10.9 OVERALL
THREAD LENGTH	14.88 MILLIMETERS MAXIMUM
HEAD STYLE	DISHED HEXAGON
THREAD SERIES DESIGNATOR	M
NOMINAL THREAD DIAMETER	8.0 MILLIMETERS
THREAD PITCH IN MILLIMETERS	1.25
EXTERNAL THREAD TOLERANCE CLASS	6G
MATERIAL DOCUMENT AND CLASSIFICATION	SAE1199 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
SURFACE TREATMENT	CADMIUM OVERALL
HEAD HEIGHT	5.10 MILLIMETERS MINIMUM AND
	5.50 MILLIMETERS MAXIMUM
WIDTH BETWEEN FLATS	12.73 MILLIMETERS MINIMUM AND
	13.00 MILLIMETERS MAXIMUM
SPEC/STD CONTROLLING DATA
MANUFACTURERS CODE	81349
DEFINITIVE GOVERNMENT SPEC/STD REFERENCE	D70331/1-8C18

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