5306-01-389-9756, BOLT,MACHINE

National Stock Number:
5306-01-389-9756

Federal Supply Class:
5306

National Item Identification Number:
013899756

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:

1460M71P02	07482	GENERAL ELECTRIC COMPANY
1460M71P04	07482	GENERAL ELECTRIC COMPANY
1460M71P04	56878	SPS TECHNOLOGIES, LLC

Techincal Specification:

EXTENDED WASHER DIAMETER	0.428 INCHES MINIMUM AND 0.448 INCHES MAXIMUM
EXTENDED WASHER THICKNESS	0.040 INCHES MINIMUM AND 0.050 INCHES MAXIMUM
FASTENER LENGTH	1.130 INCHES MINIMUM AND 1.150 INCHES MAXIMUM
HEAD HEIGHT	0.248 INCHES MINIMUM AND 0.268 INCHES MAXIMUM
HEAD STYLE	DOUBLE HEXAGON EXTENDED WASHER
MATERIAL DOCUMENT AND CLASSIFICATION	AMS 5678 ASSN STD SINGLE MATERIAL RESPONSE STAND-OFF
MATERIAL DOCUMENT AND CLASSIFICATION	AMS 5510 ASSN STD SINGLE MATERIAL RESPONSE PRIMARY WASHER
MATERIAL	STEEL COMP 631 STAND-OFF
MATERIAL	STEEL COMP 321 PRIMARY WASHER
MATERIAL	STEEL CORROSION RESISTING FASTENER
NOMINAL THREAD DIAMETER	0.250 INCHES
THREAD CLASS	3A
THREAD DIRECTION	RIGHT-HAND
THREAD LENGTH	0.495 INCHES NOMINAL
THREAD QUANTITY PER INCH	28
THREAD SERIES DESIGNATOR	UNIFIED NATIONAL JOINT FINE (UNJF)
WIDTH BETWEEN FLATS	0.3125 INCHES NOMINAL

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