5120-00-426-3763 SLEEVE Index 3040-00-426-3765 COLLAR

National Stock Number:
5306-00-426-3764

Federal Supply Class:
5306

National Item Identification Number:
004263764

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:
2B171211083CATERPILLAR INC


Techincal Specification:
THREAD DIRECTIONRIGHT-HAND
FASTENER LENGTH2.750 INCHES NOMINAL
MATERIALSTEEL OVERALL
THREAD LENGTH1.188 INCHES NOMINAL
HEAD STYLEHEXAGON
THREAD SERIES DESIGNATORUNF
NOMINAL THREAD DIAMETER0.750 INCHES
THREAD QUANTITY PER INCH16
THREAD CLASS2A
HARDNESS RATING30.0 ROCKWELL C NOMINAL OVERALL
MINIMUM YIELD STRENGTH145000 POUNDS PER SQUARE INCH
HEAD HEIGHT0.549 INCHES MINIMUM AND
0.576 INCHES MAXIMUM
WIDTH BETWEEN FLATS1.060 INCHES MINIMUM AND
1.125 INCHES MAXIMUM
GRIP LENGTH1.562 INCHES NOMINAL
FEATURES PROVIDEDFINISHED HEAD
SPECIAL FEATURESW/HEADER POINT


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