5306-01-509-0644, BOLT,MACHINE

National Stock Number:
5306-01-509-0644

Federal Supply Class:
5306

National Item Identification Number:
015090644

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:

624254-1244DN3

80020

NAVAL AIR WARFARE CENTER AIRCRAFT DIVISION CODE 4.8.8.0.0.B BLDG 148-2

Techincal Specification:

EXTENDED WASHER DIAMETER	1.107 INCHES MINIMUM AND 1.125 INCHES MAXIMUM
EXTENDED WASHER THICKNESS	0.318 INCHES MINIMUM AND 0.338 INCHES MAXIMUM
FASTENER LENGTH	5.469 INCHES MINIMUM AND 5.531 INCHES MAXIMUM
HEAD HEIGHT	0.740 INCHES MINIMUM AND 0.750 INCHES MAXIMUM
HEAD STYLE	DOUBLE HEXAGON EXTENDED WASHER
MATERIAL DOCUMENT AND CLASSIFICATION	ASTM A29 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
MATERIAL	STEEL COMP 8640 OVERALL
NOMINAL THREAD DIAMETER	0.750 INCHES
SURFACE TREATMENT	CADMIUM OVERALL
THREAD CLASS	3A
THREAD DIRECTION	RIGHT-HAND
THREAD SERIES DESIGNATOR	UNIFIED NATIONAL COARSE (UNC)
THREAD QUANTITY PER INCH	10
WIDTH BETWEEN FLATS	0.745 INCHES MINIMUM AND 0.753 INCHES MAXIMUM

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