5306-00-208-3623, BOLT,MACHINE

National Stock Number:
5306-00-208-3623

Federal Supply Class:
5306

National Item Identification Number:
002083623

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:

AN101921

88044

AERONAUTICAL STANDARDS GROUP DEPT OF NAVY AND AIR FORCE

Techincal Specification:

THREAD DIRECTION	RIGHT-HAND
FASTENER LENGTH	1.302 INCHES MINIMUM AND
	1.322 INCHES MAXIMUM
MATERIAL	STEEL COMP 8740 OVERALL
THREAD LENGTH	0.552 INCHES MINIMUM AND
	0.632 INCHES MAXIMUM
HEAD STYLE	HEXAGON
THREAD SERIES DESIGNATOR	UNF
NOMINAL THREAD DIAMETER	0.190 INCHES
THREAD QUANTITY PER INCH	32
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	0.115 INCHES MINIMUM AND
	0.135 INCHES MAXIMUM
WIDTH BETWEEN FLATS	0.367 INCHES MINIMUM AND
	0.376 INCHES MAXIMUM
GRIP LENGTH	0.690 INCHES MINIMUM AND
	0.750 INCHES MAXIMUM
SURFACE FINISH	32.0 MICROINCHES THREADS
DISTANCE FROM HEAD LARGEST BEARING SURFACE TO SHANK HOLE CENTER	1.192 INCHES MINIMUM AND
	1.212 INCHES MAXIMUM FIRST HOLE
SHANK UNTHREADED HOLE DIAMETER	0.065 INCHES MINIMUM AND
	0.072 INCHES MAXIMUM FIRST HOLE
FEATURES PROVIDED	FINISHED HEAD
SPEC/STD CONTROLLING DATA
MANUFACTURERS CODE	88044
NON-DEFINITIVE GOVERNMENT SPEC/STD REFERENCE	AN101921

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