5306-00-151-2603, BOLT,MACHINE

National Stock Number:
5306-00-151-2603

Federal Supply Class:
5306

National Item Identification Number:
001512603

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:

AN75A4	88044	AERONAUTICAL STANDARDS GROUP DEPT OF NAVY AND AIR FORCE
MILB6812	80205	NATIONAL AEROSPACE STANDARDS COMMITTEE AEROSPACE INDUSTRIES ASSOCIATION OF AMERICA INC NOT FOR RFQ OR SOLICITATION USE
MILB6812	81349	MILITARY SPECIFICATIONS PROMULGATED BY MILITARY DEPARTMENTS/AGENCIES UNDER AUTHORITY OF DEFENSE STANDARDIZATION MANUAL 4120 3-M
MS20074-05-04	96906	MILITARY STANDARDS PROMULGATED BY MILITARY DEPARTMENTS UNDER AUTHORITY OF DEFENSE STANDARDIZATION MANUAL 4120 3-M

Techincal Specification:

	MIL-S-650 MIL SPEC 3RD MATERIAL RESPONSE OR
	MIL-S-6098 MIL SPEC 4TH MATERIAL RESPONSE OR
	MIL-S-6768 MIL SPEC 5TH MATERIAL RESPONSE OR
	AMS6300 ASSN STD 6TH MATERIAL RESPONSE OVERALL
SURFACE TREATMENT	CADMIUM AND
	CHROMATE OVERALL
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION	QQ-P-416,TY 2,CLASS 3 FED SPEC ALL TREATMENT RESPONSES 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	0.266 INCHES MINIMUM AND
	0.297 INCHES MAXIMUM
WIDTH BETWEEN FLATS	0.492 INCHES MINIMUM AND
	0.501 INCHES MAXIMUM
HOLE CONFIGURATION STYLE	HEXAGON FLATS
HOLE TYPE	DRILLED
HOLE QUANTITY	6
HOLE DIAMETER	0.070 INCHES NOMINAL
GRIP LENGTH	0.062 INCHES NOMINAL
FEATURES PROVIDED	FINISHED HEAD
SPEC/STD CONTROLLING DATA
MANUFACTURERS CODE	88044
DEFINITIVE GOVERNMENT SPEC/STD REFERENCE	AN75A4
THREAD DIRECTION	RIGHT-HAND
FASTENER LENGTH	0.609 INCHES NOMINAL
MATERIAL	STEEL COMP 4037 OR
	STEEL COMP 4130 OR
	STEEL COMP 4140 OR
	STEEL COMP 8630 OR
	STEEL COMP 8735 OR
	STEEL COMP 8740 OVERALL
THREAD LENGTH	0.547 INCHES MINIMUM
HEAD STYLE	HEXAGON
THREAD SERIES DESIGNATOR	UNC
NOMINAL THREAD DIAMETER	0.312 INCHES
THREAD QUANTITY PER INCH	18
THREAD CLASS	3A
MATERIAL DOCUMENT AND CLASSIFICATION	MIL-S-5626 MIL SPEC 1ST MATERIAL RESPONSE OR
	MIL-S-6049 MIL SPEC 2ND MATERIAL RESPONSE OR

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