5306-00-298-1165, BOLT,MACHINE

National Stock Number:
5306-00-298-1165

Federal Supply Class:
5306

National Item Identification Number:
002981165

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:

227337

77445

RTX CORPORATION

Techincal Specification:

THREAD DIRECTION	RIGHT-HAND
FASTENER LENGTH	0.928 INCHES MINIMUM AND
	0.948 INCHES MAXIMUM
MATERIAL	STEEL COMP 8740 OVERALL
THREAD LENGTH	0.678 INCHES MINIMUM AND
	0.758 INCHES MAXIMUM
HEAD STYLE	HEXAGON
THREAD SERIES DESIGNATOR	UNF
NOMINAL THREAD DIAMETER	0.312 INCHES
THREAD QUANTITY PER INCH	24
THREAD CLASS	3A
MATERIAL DOCUMENT AND CLASSIFICATION	AMS 6322 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
SURFACE TREATMENT	CADMIUM OVERALL
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION	AMS 2400 ASSN STD SINGLE TREATMENT RESPONSE OVERALL
HARDNESS RATING	26.0 ROCKWELL C MINIMUM AND
	32.0 ROCKWELL C MAXIMUM OVERALL
HEAD HEIGHT	0.178 INCHES MINIMUM AND
	0.198 INCHES MAXIMUM
WIDTH BETWEEN FLATS	0.493 INCHES MINIMUM AND
	0.502 INCHES MAXIMUM
HOLE CONFIGURATION STYLE	HEXAGON LONGITUDINAL HOLE
HOLE TYPE	DRILLED
HOLE QUANTITY	1
HOLE DIAMETER	0.065 INCHES NOMINAL
GRIP LENGTH	0.190 INCHES MINIMUM AND
	0.250 INCHES MAXIMUM
SURFACE FINISH	60.0 MICROINCHES BEARING SURFACE OF HEAD
	60.0 MICROINCHES GRIP
	50.0 MICROINCHES THREADS
DISTANCE FROM HEAD LARGEST BEARING SURFACE TO SHANK HOLE CENTER	0.818 INCHES MINIMUM AND
	0.838 INCHES MAXIMUM FIRST HOLE
SHANK UNTHREADED HOLE DIAMETER	0.065 INCHES MINIMUM AND
	0.075 INCHES MAXIMUM FIRST HOLE
FEATURES PROVIDED	FINISHED HEAD
THE MANUFACTURERS DATA
MANUFACTURERS CODE	77445
DESIGN CONTROL REFERENCE	227337

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