5306-00-638-1472 BOLT,MACHINE Index 5306-00-638-1474 BOLT,MACHINE

National Stock Number:
5306-00-638-1473

Federal Supply Class:
5306

National Item Identification Number:
006381473

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:
R113P1SL07482GENERAL ELECTRIC COMPANY
R113P1SL24446GENERAL ELECTRIC COMPANY


Techincal Specification:
EXTENDED WASHER DIAMETER0.428 INCHES MINIMUM AND 0.448 INCHES MAXIMUM
EXTENDED WASHER THICKNESS0.060 INCHES MINIMUM AND 0.070 INCHES MAXIMUM
FASTENER LENGTH0.490 INCHES MINIMUM AND 0.510 INCHES MAXIMUM
FEATURES PROVIDEDFINISHED HEAD
HARDNESS RATING26.0 ROCKWELL C MINIMUM AND 33.0 ROCKWELL C MAXIMUM OVERALL
HEAD HEIGHT0.320 INCHES MINIMUM AND 0.340 INCHES MAXIMUM
HEAD STYLEDOUBLE HEXAGON W/HOLE
HOLE CONFIGURATION STYLEDOUBLE HEXAGON LONGITUDINAL HOLE
HOLE DIAMETER0.062 INCHES NOMINAL
HOLE QUANTITY4
HOLE TYPEDRILLED
MATERIAL DOCUMENT AND CLASSIFICATIONAMS 5735 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
MATERIALIRON ALLOY 660 OVERALL
NOMINAL THREAD DIAMETER0.250 INCHES
NONSTANDARD THREAD PITCH DIAMETER+0.2213 TO 0.2238 INCHES
PRECIOUS MATERIALSILVER
WIDTH BETWEEN FLATS0.304 INCHES MINIMUM AND 0.313 INCHES MAXIMUM
SURFACE TREATMENTSILVER OVERALL
THREAD DIRECTIONRIGHT-HAND
THREAD LENGTH0.419 INCHES MINIMUM AND 0.490 INCHES MAXIMUM
THREAD QUANTITY PER INCH28
THREAD SERIES DESIGNATORUNF


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