5306-00-543-4545, BOLT,MACHINE

National Stock Number:
5306-00-543-4545

Federal Supply Class:
5306

National Item Identification Number:
005434545

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:

AN7H12	80205	NATIONAL AEROSPACE STANDARDS COMMITTEE AEROSPACE INDUSTRIES ASSOCIATION OF AMERICA INC NOT FOR RFQ OR SOLICITATION USE
AN7H12	88044	AERONAUTICAL STANDARDS GROUP DEPT OF NAVY AND AIR FORCE

Techincal Specification:

THREAD DIRECTION	RIGHT-HAND
FASTENER LENGTH	1.344 INCHES NOMINAL
MATERIAL	STEEL COMP 4037 OR
	STEEL COMP 4130 OR
	STEEL COMP 8630 OR
	STEEL COMP 8735 OR
	STEEL COMP 8740 OR
	STEEL COMP 4140 OVERALL
THREAD LENGTH	0.656 INCHES MINIMUM
HEAD STYLE	HEXAGON
THREAD SERIES DESIGNATOR	UNF
NOMINAL THREAD DIAMETER	0.438 INCHES
THREAD QUANTITY PER INCH	20
THREAD CLASS	3A
MATERIAL DOCUMENT AND CLASSIFICATION	MIL-B-6812 MIL SPEC ALL MATERIAL RESPONSES OVERALL
SURFACE TREATMENT	CADMIUM OVERALL
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION	QQ-P-416 TY 2 CL 3 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
HARDNESS RATING	26.0 ROCKWELL C MINIMUM AND
	32.0 ROCKWELL C MAXIMUM OVERALL
MINIMUM TENSILE STRENGTH	125000 POUNDS PER SQUARE INCH
HEAD HEIGHT	0.234 INCHES MINIMUM AND
	0.266 INCHES MAXIMUM
WIDTH BETWEEN FLATS	0.615 INCHES MINIMUM AND
	0.627 INCHES MAXIMUM
HOLE CONFIGURATION STYLE	HEXAGON FLATS
HOLE TYPE	DRILLED
HOLE QUANTITY	1
HOLE DIAMETER	0.070 INCHES NOMINAL
GRIP LENGTH	0.688 INCHES NOMINAL
DISTANCE FROM HEAD LARGEST BEARING SURFACE TO SHANK HOLE CENTER	1.172 INCHES NOMINAL FIRST HOLE
SHANK UNTHREADED HOLE DIAMETER	0.106 INCHES NOMINAL FIRST HOLE
FEATURES PROVIDED	FINISHED HEAD

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