5306-00-205-3179, BOLT,MACHINE

National Stock Number:
5306-00-205-3179

Federal Supply Class:
5306

National Item Identification Number:
002053179

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:

LK21095-2001	26304	TORKON FASTENER CORP
MS21095-2001	96906	MILITARY STANDARDS PROMULGATED BY MILITARY DEPARTMENTS UNDER AUTHORITY OF DEFENSE STANDARDIZATION MANUAL 4120 3-M
NASM21095-2001	96906	MILITARY STANDARDS PROMULGATED BY MILITARY DEPARTMENTS UNDER AUTHORITY OF DEFENSE STANDARDIZATION MANUAL 4120 3-M

Techincal Specification:

THREAD DIRECTION	RIGHT-HAND
FASTENER LENGTH	0.453 INCHES MINIMUM AND
	0.499 INCHES MAXIMUM
MATERIAL	STEEL COMP 4140 OR
	STEEL COMP 8740 OR
	STEEL COMP 8630 OR
	STEEL COMP 8735 OR
	STEEL COMP 4130 OR
	STEEL COMP 4037 OVERALL
THREAD LENGTH	0.381 INCHES MINIMUM AND
	0.447 INCHES MAXIMUM
HEAD STYLE	HEXAGON
THREAD SERIES DESIGNATOR	UNF
NOMINAL THREAD DIAMETER	0.164 INCHES
THREAD QUANTITY PER INCH	32
THREAD CLASS	3A
MATERIAL DOCUMENT AND CLASSIFICATION	MIL-S-5626 MIL SPEC 1ST MATERIAL RESPONSE OR
	M8L-S-6049 MIL SPEC 2ND MATERIAL RESPONSE OR
	MIL-S-6050 MIL SPEC 3RD MATERIAL RESPONSE OR
	MIL-S-6098 MIL SPEC 4TH MATERIAL RESPONSE OR
	MIL-S-6758 MIL SPEC 5TH MATERIAL RESPONSE OR
	AMS6300 ASSN STD 6TH MATERIAL RESPONSE OVERALL
SURFACE TREATMENT	PASSIVATE 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	0.106 INCHES MINIMUM AND
	0.118 INCHES MAXIMUM
WIDTH BETWEEN FLATS	0.305 INCHES MINIMUM AND
	0.313 INCHES MAXIMUM
GRIP LENGTH	0.052 INCHES MINIMUM AND
	0.072 INCHES MAXIMUM
FEATURES PROVIDED	FINISHED HEAD
SPEC/STD CONTROLLING DATA
MANUFACTURERS CODE	96906
DEFINITIVE GOVERNMENT SPEC/STD REFERENCE	NASM21095-2001

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