5306-01-307-7040, BOLT,MACHINE

National Stock Number:
5306-01-307-7040

Federal Supply Class:
5306

National Item Identification Number:
013077040

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:

MS35764-1568

96906

MILITARY STANDARDS PROMULGATED BY MILITARY DEPARTMENTS UNDER AUTHORITY OF DEFENSE STANDARDIZATION MANUAL 4120 3-M

Techincal Specification:

THREAD SERIES DESIGNATOR	UNF
NOMINAL THREAD DIAMETER	0.625 INCHES
THREAD QUANTITY PER INCH	18
THREAD CLASS	2A
MATERIAL DOCUMENT AND CLASSIFICATION	J429 GRADE 8 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
SURFACE TREATMENT	PHOSPHATE OVERALL
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION	MIL-P-16232 TYZ CL2 MIL SPEC SINGLE TREATMENT RESPONSE OVERALL
HARDNESS RATING	32.0 ROCKWELL C MINIMUM AND
	38.0 ROCKWELL C MAXIMUM OVERALL
MINIMUM TENSILE STRENGTH	150000 POUNDS PER SQUARE INCH
MINIMUM YIELD STRENGTH	120000 POUNDS PER SQUARE INCH
HEAD HEIGHT	0.375 INCHES MINIMUM AND
	0.390 INCHES MAXIMUM
WIDTH BETWEEN FLATS	0.983 INCHES MINIMUM AND
	1.000 INCHES MAXIMUM
LOCKING FEATURE	DISTORTIONS HEAD
SPEC/STD CONTROLLING DATA
MANUFACTURERS CODE	96906
DEFINITIVE GOVERNMENT SPEC/STD REFERENCE	MS35764-1568
THREAD DIRECTION	RIGHT-HAND
FASTENER LENGTH	1.639 INCHES NOMINAL
MATERIAL	STEEL OVERALL
THREAD LENGTH	1.500 INCHES NOMINAL
HEAD STYLE	DISTORTED HEAD

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