5306-00-638-8321 BOLT,MACHINE Index 5310-00-638-8328 WASHER,SHOULDERED AND RECESSED

National Stock Number:
5306-00-638-8324

Federal Supply Class:
5306

National Item Identification Number:
006388324

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:
366315524617GENERAL MOTORS CORP
36631557X677GENERAL MOTORS LLC


Techincal Specification:
FASTENER LENGTH1.500 INCHES NOMINAL
FEATURES PROVIDEDFINISHED HEAD
HEAD HEIGHT0.329 INCHES MINIMUM AND 0.338 INCHES MAXIMUM
HEAD STYLEHEXAGON
MATERIALSTEEL OVERALL
NOMINAL THREAD DIAMETER0.438 INCHES
NONSTANDARD THREAD PITCH DIAMETER+0.4040 TO 0.4060 INCHES
SPECIAL FEATURESLETTER H 3/8 IN. H AND 1/4 IN. W TO BE STAMPED ON HEX HEAD FOR IDENTIFICATION
WIDTH BETWEEN FLATS0.612 INCHES MINIMUM AND 0.625 INCHES MAXIMUM
THREAD DIRECTIONRIGHT-HAND
THREAD LENGTH1.125 INCHES MINIMUM
THREAD QUANTITY PER INCH20
THREAD SERIES DESIGNATORUNF


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