5306-01-145-5439, BOLT,MACHINE

5305-01-145-5440 SCREW,EXTERNALLY RELIEVED BODY

National Stock Number:
5306-01-145-5439

Federal Supply Class:
5306

National Item Identification Number:
011455439

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:

MS9453-12

96906

MILITARY STANDARDS PROMULGATED BY MILITARY DEPARTMENTS UNDER AUTHORITY OF DEFENSE STANDARDIZATION MANUAL 4120 3-M

Techincal Specification:

FASTENER LENGTH	0.990 INCHES MINIMUM AND 0.990 INCHES MINIMUM AND 1.010 INCHES MAXIMUM1.010 INCHES MAXIMUM
FEATURES PROVIDED	FINISHED HEADFINISHED HEAD
GRIP LENGTH	0.125 INCHES MINIMUM AND 0.125 INCHES MINIMUM AND 0.145 INCHES MAXIMUM0.145 INCHES MAXIMUM
HARDNESS RATING	42.0 ROCKWELL C MINIMUM AND 42.0 ROCKWELL C MINIMUM AND 46.0 ROCKWELL C MAXIMUM OVERALL46.0 ROCKWELL C MAXIMUM OVERALL
HEAD HEIGHT	0.188 INCHES NOMINAL0.188 INCHES NOMINAL
HEAD STYLE	HEXAGONHEXAGON
MATERIAL DOCUMENT AND CLASSIFICATION	AMS6304 ASSN STD SINGLE MATERIAL RESPONSE OVERALLAMS6304 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
MATERIAL	STEEL COMP 601 OVERALLSTEEL COMP 601 OVERALL
NOMINAL THREAD DIAMETER	0.312 INCHES0.312 INCHES
SURFACE FINISH	32.0 MICROINCHES THREADS32.0 MICROINCHES THREADS
SURFACE FINISH	63.0 MICROINCHES GRIP63.0 MICROINCHES GRIP
SURFACE FINISH	63.0 MICROINCHES BEARING SURFACE OF HEAD63.0 MICROINCHES BEARING SURFACE OF HEAD
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION	AMS2416 ASSN STD SINGLE TREATMENT RESPONSE OVERALLAMS2416 ASSN STD SINGLE TREATMENT RESPONSE OVERALL
SURFACE TREATMENT	NICKEL AND NICKEL AND CADMIUM OVERALLCADMIUM OVERALL
THREAD CLASS	3A3A
THREAD DIRECTION	RIGHT-HANDRIGHT-HAND
THREAD LENGTH	0.845 INCHES MINIMUM AND 0.845 INCHES MINIMUM AND 0.885 INCHES MAXIMUM0.885 INCHES MAXIMUM
THREAD QUANTITY PER INCH	2424
THREAD SERIES DESIGNATOR	UNIFIED NATIONAL JOINT FINE (UNJF)UNIFIED NATIONAL JOINT FINE (UNJF)
WIDTH BETWEEN FLATS	0.492 INCHES MINIMUM AND 0.492 INCHES MINIMUM AND 0.502 INCHES MAXIMUM0.502 INCHES MAXIMUM

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