5306-00-558-6638 BOLT,EXTERNALLY RELIEVED BODY Index 5306-00-558-6653 BOLT,MACHINE

National Stock Number:
5306-00-558-6641

Federal Supply Class:
5306

National Item Identification Number:
005586641

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:
R106P3NL07482GENERAL ELECTRIC COMPANY
R106P3NL24446GENERAL ELECTRIC COMPANY


Techincal Specification:
EXTENDED WASHER DIAMETER0.448 INCHES NOMINAL
EXTENDED WASHER THICKNESS0.070 INCHES NOMINAL
FASTENER LENGTH0.625 INCHES NOMINAL
FEATURES PROVIDEDFINISHED HEAD
HARDNESS RATING42.0 ROCKWELL C MINIMUM AND 46.0 ROCKWELL C MAXIMUM OVERALL
HEAD HEIGHT0.340 INCHES NOMINAL
HEAD STYLEDOUBLE HEXAGON EXTENDED WASHER
HOLE CONFIGURATION STYLEHEXAGON FLATS
HOLE DIAMETER0.062 INCHES NOMINAL
HOLE QUANTITY4
HOLE TYPEDRILLED
MATERIALSTEEL OVERALL
NOMINAL THREAD DIAMETER0.250 INCHES
WIDTH BETWEEN FLATS0.313 INCHES NOMINAL
SURFACE TREATMENTNICKEL OVERALL
THREAD CLASS1A
THREAD DIRECTIONRIGHT-HAND
THREAD LENGTH0.625 INCHES MAXIMUM
THREAD QUANTITY PER INCH28
THREAD SERIES DESIGNATORUNF


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