5306-00-880-9577, BOLT,MACHINE

National Stock Number:
5306-00-880-9577

Federal Supply Class:
5306

National Item Identification Number:
008809577

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:

726732	35311	AMERICAN STANDARD INC WESTINGHOUSE AIR BRAKE CO DIV
VX0419	35311	AMERICAN STANDARD INC WESTINGHOUSE AIR BRAKE CO DIV

Techincal Specification:

DISTANCE FROM HEAD LARGEST BEARING SURFACE TO SHANK HOLE CENTER	9.470 INCHES MINIMUM AND 9.530 INCHES MAXIMUM FIRST HOLE
FASTENER LENGTH	9.687 INCHES MINIMUM AND 9.750 INCHES MAXIMUM
FEATURES PROVIDED	UNFINISHED HEAD
HARDNESS RATING	23.0 ROCKWELL C MINIMUM AND 30.0 ROCKWELL C MAXIMUM OVERALL
HEAD HEIGHT	0.531 INCHES MINIMUM AND 0.563 INCHES MAXIMUM
HEAD STYLE	HEXAGON
MATERIAL DOCUMENT AND CLASSIFICATION	SAE GR 5 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
MATERIAL	STEEL OVERALL
NOMINAL THREAD DIAMETER	0.875 INCHES
SHANK UNTHREADED HOLE DIAMETER	0.187 INCHES NOMINAL FIRST HOLE
SURFACE TREATMENT	CADMIUM OVERALL
THREAD CLASS	3A
THREAD DIRECTION	RIGHT-HAND
THREAD LENGTH	1.625 INCHES MINIMUM AND 1.687 INCHES MAXIMUM
THREAD SERIES DESIGNATOR	UNF
THREAD QUANTITY PER INCH	14
WIDTH BETWEEN FLATS	1.285 INCHES MINIMUM AND 1.312 INCHES MAXIMUM

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