5306-01-015-0987, BOLT,MACHINE

National Stock Number:
5306-01-015-0987

Federal Supply Class:
5306

National Item Identification Number:
010150987

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:

MS9944-27

96906

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

Techincal Specification:

THREAD DIRECTION	RIGHT-HAND
FASTENER LENGTH	2.125 INCHES NOMINAL
MATERIAL	STEEL COMP 8740 OVERALL
THREAD LENGTH	1.143 INCHES MAXIMUM
HEAD STYLE	DOUBLE HEXAGON W/HOLE
THREAD SERIES DESIGNATOR	UNJF
NOMINAL THREAD DIAMETER	0.375 INCHES
THREAD QUANTITY PER INCH	24
THREAD CLASS	3A
MATERIAL DOCUMENT AND CLASSIFICATION	AMS 6322 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
SURFACE TREATMENT	CADMIUM OVERALL
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION	AMS 2400 ASSN STD SINGLE TREATMENT RESPONSE OVERALL
HARDNESS RATING	26.0 ROCKWELL C MINIMUM AND
	32.0 ROCKWELL C MAXIMUM OVERALL
HEAD HEIGHT	0.383 INCHES NOMINAL
WIDTH BETWEEN FLATS	0.438 INCHES NOMINAL
EXTENDED WASHER DIAMETER	0.562 INCHES NOMINAL
EXTENDED WASHER THICKNESS	0.090 INCHES MINIMUM
HOLE CONFIGURATION STYLE	DOUBLE HEXAGON LONGITUDINAL HOLE
HOLE TYPE	DRILLED
HOLE QUANTITY	4
HOLE DIAMETER	0.070 INCHES NOMINAL
GRIP LENGTH	0.982 INCHES MINIMUM
SURFACE FINISH	32.0 MICROINCHES BEARING SURFACE OF HEAD
	32.0 MICROINCHES GRIP
	32.0 MICROINCHES THREADS
FEATURES PROVIDED	FINISHED HEAD
SPEC/STD CONTROLLING DATA
MANUFACTURERS CODE	96906
DEFINITIVE GOVERNMENT SPEC/STD REFERENCE	MS9944-27

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