5306-01-244-6869, BOLT,MACHINE

National Stock Number:
5306-01-244-6869

Federal Supply Class:
5306

National Item Identification Number:
012446869

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:

96218	18889	WEBB WHEEL PRODUCTS INC A MEMBER OF THE MARMON GROUP OF COMPANIES
96218	3B0Y2	PINES QUALITY INC

Techincal Specification:

THREAD DIRECTION	RIGHT-HAND
FASTENER LENGTH	1.670 INCHES MINIMUM AND
	1.750 INCHES MAXIMUM
MATERIAL	STEEL OVERALL
THREAD LENGTH	1.310 INCHES MINIMUM AND
	1.500 INCHES MAXIMUM
HEAD STYLE	HEXAGON
THREAD SERIES DESIGNATOR	UNF
NOMINAL THREAD DIAMETER	0.625 INCHES
THREAD QUANTITY PER INCH	18
THREAD CLASS	2A
MATERIAL DOCUMENT AND CLASSIFICATION	SAE GR5 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
SURFACE TREATMENT	PHOSPHATE OVERALL
HARDNESS RATING	25.0 ROCKWELL C MINIMUM AND
	34.0 ROCKWELL C MAXIMUM OVERALL
MINIMUM TENSILE STRENGTH	120000 POUNDS PER SQUARE INCH
HEAD HEIGHT	0.378 INCHES MINIMUM AND
	0.403 INCHES MAXIMUM
WIDTH BETWEEN FLATS	0.922 INCHES MINIMUM AND
	0.938 INCHES MAXIMUM
LOCKING FEATURE	PATCH OR
	PELLET OR
	STRIP THREADS
GRIP LENGTH	0.250 INCHES MINIMUM AND
	0.440 INCHES MAXIMUM
SPECIAL FEATURES	WEAPON SYSTEM ESSENTIAL
CRITICALITY CODE JUSTIFICATION	FEAT

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