5306-01-024-7062, BOLT,MACHINE

National Stock Number:
5306-01-024-7062

Federal Supply Class:
5306

National Item Identification Number:
010247062

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:

AN12H20

81352

AIR FORCE-NAVY AERONAUTICAL SPECIFICATIONS PROMULGATED BY AERONAUTICAL STANDARDS GROUP

Techincal Specification:

MATERIAL DOCUMENT AND CLASSIFICATION	MIL-S-5626 MIL SPEC 1ST MATERIAL RESPONSE OR
	MIL-S-6049 MIL SPEC 2ND MATERIAL RESPONSE OR
	MIL-S-6098 MIL SPEC 3RD MATERIAL RESPONSE OR
	MIL-S-6758 MIL SPEC 4TH MATERIAL RESPONSE 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	0.390 INCHES MINIMUM AND
	0.422 INCHES MAXIMUM
WIDTH BETWEEN FLATS	1.053 INCHES MINIMUM AND
	1.066 INCHES MAXIMUM
HOLE CONFIGURATION STYLE	HEXAGON LONGITUDINAL HOLE
HOLE TYPE	DRILLED
HOLE QUANTITY	6
HOLE DIAMETER	0.070 INCHES NOMINAL
GRIP LENGTH	1.047 INCHES MINIMUM AND
	1.078 INCHES MAXIMUM
SHANK UNTHREADED HOLE DIAMETER	0.141 INCHES MINIMUM AND
	0.151 INCHES MAXIMUM FIRST HOLE
FEATURES PROVIDED	FINISHED HEAD
SPEC/STD CONTROLLING DATA
MANUFACTURERS CODE	81352
DEFINITIVE GOVERNMENT SPEC/STD REFERENCE	AN12H20
THREAD DIRECTION	RIGHT-HAND
FASTENER LENGTH	2.141 INCHES MINIMUM AND
	2.188 INCHES MAXIMUM
MATERIAL	STEEL COMP 4140 OR
	STEEL COMP 8740 OR
	STEEL COMP 8735 OR
	STEEL COMP 4130 OVERALL
THREAD LENGTH	1.063 INCHES MINIMUM AND
	1.141 INCHES MAXIMUM
HEAD STYLE	HEXAGON
THREAD SERIES DESIGNATOR	UNF
NOMINAL THREAD DIAMETER	0.750 INCHES
THREAD QUANTITY PER INCH	16
THREAD CLASS	3A

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