5306-01-302-2372, BOLT,MACHINE

5305-01-302-2373 SCREW,EXTERNALLY RELIEVED BODY

National Stock Number:
5306-01-302-2372

Federal Supply Class:
5306

National Item Identification Number:
013022372

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:

MS20073-10-14

96906

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

Techincal Specification:

THREAD DIRECTION	RIGHT-HAND
FASTENER LENGTH	1.546 INCHES MINIMUM AND
	1.593 INCHES MAXIMUM
MATERIAL	STEEL COMP 4140 OR
	STEEL COMP 8740 OR
	STEEL COMP 8630 OR
	STEEL COMP 8735 OR
	STEEL COMP 4130 OVERALL
THREAD LENGTH	0.968 INCHES MINIMUM AND
	1.047 INCHES MAXIMUM
HEAD STYLE	HEXAGON
THREAD SERIES DESIGNATOR	UNF
NOMINAL THREAD DIAMETER	0.625 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
	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 OVERALL
SURFACE TREATMENT	CADMIUM AND
	CHROMATE OVERALL
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION	QQ-P-416 TY 2 CL 3 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
HEAD HEIGHT	0.453 INCHES MINIMUM AND
	0.484 INCHES MAXIMUM
WIDTH BETWEEN FLATS	0.928 INCHES MINIMUM AND
	0.939 INCHES MAXIMUM
HOLE CONFIGURATION STYLE	HEXAGON LONGITUDINAL HOLE
HOLE TYPE	DRILLED
HOLE QUANTITY	3
HOLE DIAMETER	0.065 INCHES MINIMUM AND
	0.075 INCHES MAXIMUM
GRIP LENGTH	0.546 INCHES MINIMUM AND
	0.578 INCHES MAXIMUM
SPEC/STD CONTROLLING DATA
MANUFACTURERS CODE	96906
DEFINITIVE GOVERNMENT SPEC/STD REFERENCE	MS20073-10-14

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