5306-00-079-1299 BOLT,MACHINE Index 5998-00-079-1302 CIRCUIT CARD ASSEMBLY

National Stock Number:
5306-00-079-1301

Federal Supply Class:
5306

National Item Identification Number:
000791301

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:
MS9557-190U583SAE INTERNATIONAL
MS9557-1981343SOCIETY OF AUTOMOTIVE ENGINEERS INC
MS9557-1996906MILITARY STANDARDS PROMULGATED BY MILITARY DEPARTMENTS UNDER AUTHORITY OF DEFENSE STANDARDIZATION MANUAL 4120 3-M
SAE AS95570U583SAE INTERNATIONAL
SAE AS955781343SOCIETY OF AUTOMOTIVE ENGINEERS INC


Techincal Specification:
EXTENDED WASHER DIAMETER0.438 INCHES NOMINAL
EXTENDED WASHER THICKNESS0.060 INCHES MINIMUM AND 0.070 INCHES MAXIMUM
FASTENER LENGTH1.312 INCHES NOMINAL
FEATURES PROVIDEDFINISHED HEAD
GRIP LENGTH0.502 INCHES MINIMUM AND 0.562 INCHES MAXIMUM
HEAD HEIGHT0.300 INCHES NOMINAL
HEAD STYLEDOUBLE HEXAGON EXTENDED WASHER
MATERIAL DOCUMENT AND CLASSIFICATIONAMS 5731 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
MATERIALIRON ALLOY 660 OVERALL
MINIMUM YIELD STRENGTH85000 POUNDS PER SQUARE INCH
NOMINAL THREAD DIAMETER0.250 INCHES
WIDTH BETWEEN FLATS0.305 INCHES MINIMUM AND 0.313 INCHES MAXIMUM
THREAD CLASS3A
THREAD DIRECTIONRIGHT-HAND
THREAD LENGTH0.750 INCHES MINIMUM AND 0.810 INCHES MAXIMUM
THREAD QUANTITY PER INCH28
THREAD SERIES DESIGNATORUNJF


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