5315-01-064-3783 DOWEL Index 2520-01-064-3785 VALVE GROUP

National Stock Number:
5306-01-064-3784

Federal Supply Class:
5306

National Item Identification Number:
010643784

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:
9M428811083CATERPILLAR INC


Techincal Specification:
THREAD DIRECTIONRIGHT-HAND
FASTENER LENGTH4.500 INCHES NOMINAL
MATERIALSTEEL OVERALL
THREAD LENGTH1.375 INCHES NOMINAL
HEAD STYLEDOUBLE HEXAGON W/HOLE
THREAD SERIES DESIGNATORUNC
NOMINAL THREAD DIAMETER0.312 INCHES
THREAD QUANTITY PER INCH18
THREAD CLASS2A
MATERIAL DOCUMENT AND CLASSIFICATIONSAE J429 GR 8 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
SURFACE TREATMENTOXIDE OVERALL
COLORBLACK OVERALL
HARDNESS RATING36.0 ROCKWELL C MINIMUM AND
42.0 ROCKWELL C MAXIMUM OVERALL
MINIMUM TENSILE STRENGTH150000 POUNDS PER SQUARE INCH
MINIMUM YIELD STRENGTH120000 POUNDS PER SQUARE INCH
HEAD HEIGHT0.312 INCHES NOMINAL
EXTENDED WASHER DIAMETER0.469 INCHES NOMINAL
GRIP LENGTH3.125 INCHES NOMINAL


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