5306-00-638-1902 BOLT,MACHINE Index 5306-00-638-1920 BOLT,MACHINE

National Stock Number:
5306-00-638-1907

Federal Supply Class:
5306

National Item Identification Number:
006381907

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:
5306PL08932059009HINSPEKTORAT WSPARCIA SIL ZBROJNYCH
673563424617GENERAL MOTORS CORP
673563473342ALLISON TRANSMISSION INC


Techincal Specification:
EXTENDED WASHER DIAMETER0.500 INCHES NOMINAL
EXTENDED WASHER THICKNESS0.070 INCHES MINIMUM AND 0.080 INCHES MAXIMUM
FASTENER LENGTH1.250 INCHES NOMINAL
FEATURES PROVIDEDFINISHED HEAD
GRIP LENGTH0.688 INCHES NOMINAL
HEAD HEIGHT0.375 INCHES NOMINAL
HEAD STYLEDOUBLE HEXAGON W/HOLE
MATERIAL DOCUMENT AND CLASSIFICATIONEMS85030,FSCM 73342 MFR REF SINGLE MATERIAL RESPONSE OVERALL
MATERIALSTEEL CORROSION RESISTING OVERALL
NOMINAL THREAD DIAMETER0.312 INCHES
NONSTANDARD THREAD PITCH DIAMETER+0.2797 TO 0.2824 INCHES
WIDTH BETWEEN FLATS0.367 INCHES MINIMUM AND 0.377 INCHES MAXIMUM
SURFACE FINISH63.0 MICROINCHES OVERALL
THREAD DIRECTIONRIGHT-HAND
THREAD LENGTH0.553 INCHES MINIMUM AND 0.573 INCHES MAXIMUM
THREAD QUANTITY PER INCH24
THREAD SERIES DESIGNATORUNS


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