5306-00-456-7839, BOLT,MACHINE

National Stock Number:
5306-00-456-7839

Federal Supply Class:
5306

National Item Identification Number:
004567839

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:

719066-1

73030

HAMILTON SUNDSTRAND CORPORATION

Techincal Specification:

DISTANCE FROM HEAD LARGEST BEARING SURFACE TO SHANK HOLE CENTER	0.670 INCHES NOMINAL FIRST HOLE
FASTENER LENGTH	0.835 INCHES MINIMUM AND 0.865 INCHES MAXIMUM
FEATURES PROVIDED	FINISHED HEAD
GRIP LENGTH	0.415 INCHES MINIMUM AND 0.445 INCHES MAXIMUM
HARDNESS RATING	24.0 ROCKWELL C MINIMUM OVERALL AND 37.0 ROCKWELL C MAXIMUM OVERALL
HEAD HEIGHT	0.123 INCHES MINIMUM AND 0.133 INCHES MAXIMUM
HEAD STYLE	HEXAGON
NOMINAL THREAD DIAMETER	0.250 INCHES
MATERIAL DOCUMENT AND CLASSIFICATION	AMS 5735 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
MATERIAL	IRON ALLOY 660 OVERALL
SHANK UNTHREADED HOLE DIAMETER	0.040 INCHES MINIMUM FIRST HOLE AND 0.048 INCHES MAXIMUM FIRST HOLE
THREAD CLASS	3A
THREAD DIRECTION	RIGHT-HAND
THREAD LENGTH	0.390 INCHES MINIMUM AND 0.450 INCHES MAXIMUM
THREAD SERIES DESIGNATOR	UNF
THREAD QUANTITY PER INCH	28
WIDTH BETWEEN FLATS	0.430 INCHES MINIMUM AND 0.439 INCHES MAXIMUM

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