5306-00-685-8040, BOLT,MACHINE

National Stock Number:
5306-00-685-8040

Federal Supply Class:
5306

National Item Identification Number:
006858040

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:

374737

77445

RTX CORPORATION

Techincal Specification:

DISTANCE FROM CENTERLINE TO FLAT	0.218 INCHES MINIMUM AND 0.222 INCHES MAXIMUM
FASTENER LENGTH	1.445 INCHES MINIMUM AND 1.465 INCHES MAXIMUM
FEATURES PROVIDED	FINISHED HEAD
GRIP LENGTH	0.445 INCHES MINIMUM AND 0.465 INCHES MAXIMUM
HEAD DIAMETER	0.615 INCHES MINIMUM AND 0.635 INCHES MAXIMUM
HEAD HEIGHT	0.190 INCHES MINIMUM AND 0.200 INCHES MAXIMUM
HEAD STYLE	PAN
MATERIAL DOCUMENT AND CLASSIFICATION	AMS5732 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
MATERIAL	IRON ALLOY 660 OVERALL
NOMINAL THREAD DIAMETER	0.312 INCHES
NONSTANDARD THREAD PITCH DIAMETER	+0.2797 TO 0.2824 INCHES
SURFACE FINISH	32.0 MICROINCHES THREADS
SURFACE FINISH	63.0 MICROINCHES GRIP
SURFACE FINISH	63.0 MICROINCHES BEARING SURFACE OF HEAD
THREAD DIRECTION	RIGHT-HAND
THREAD LENGTH	0.900 INCHES MINIMUM AND 1.000 INCHES MAXIMUM
THREAD QUANTITY PER INCH	24
THREAD SERIES DESIGNATOR	UNS

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