5355-00-040-9770 KNOB Index 5305-00-040-9774 SCREW,MACHINE

National Stock Number:
5306-00-040-9773

Federal Supply Class:
5306

National Item Identification Number:
000409773

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:
5H555311083CATERPILLAR INC


Techincal Specification:
FASTENER LENGTH1.188 INCHES NOMINAL
FEATURES PROVIDEDFINISHED HEAD
HARDNESS RATING59.0 ROCKWELL C MINIMUM AND 64.0 ROCKWELL C MAXIMUM HEAD
HARDNESS RATING45.0 ROCKWELL C MINIMUM AND 50.0 ROCKWELL C MAXIMUM THREADS
HEAD DIAMETER0.881 INCHES MINIMUM AND 0.883 INCHES MAXIMUM
MATERIAL DOCUMENT AND CLASSIFICATION1E426,FSCM 11083 MFR REF SINGLE MATERIAL RESPONSE OVERALL
MATERIALSTEEL OVERALL
NOMINAL THREAD DIAMETER0.375 INCHES
WIDTH BETWEEN FLATS0.438 INCHES NOMINAL
THREAD CLASS2A
THREAD DIRECTIONRIGHT-HAND
THREAD LENGTH1.000 INCHES NOMINAL
THREAD QUANTITY PER INCH24
THREAD SERIES DESIGNATORUNF


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