5306-00-685-8038 BOLT,MACHINE Index 5305-00-685-8044 SCREW,TAPPING

National Stock Number:
5306-00-685-8040

Federal Supply Class:
5306

National Item Identification Number:
006858040

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:
37473777445RTX CORPORATION


Techincal Specification:
DISTANCE FROM CENTERLINE TO FLAT0.218 INCHES MINIMUM AND 0.222 INCHES MAXIMUM
FASTENER LENGTH1.445 INCHES MINIMUM AND 1.465 INCHES MAXIMUM
FEATURES PROVIDEDFINISHED HEAD
GRIP LENGTH0.445 INCHES MINIMUM AND 0.465 INCHES MAXIMUM
HEAD DIAMETER0.615 INCHES MINIMUM AND 0.635 INCHES MAXIMUM
HEAD HEIGHT0.190 INCHES MINIMUM AND 0.200 INCHES MAXIMUM
HEAD STYLEPAN
MATERIAL DOCUMENT AND CLASSIFICATIONAMS5732 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
MATERIALIRON ALLOY 660 OVERALL
NOMINAL THREAD DIAMETER0.312 INCHES
NONSTANDARD THREAD PITCH DIAMETER+0.2797 TO 0.2824 INCHES
SURFACE FINISH32.0 MICROINCHES THREADS
SURFACE FINISH63.0 MICROINCHES BEARING SURFACE OF HEAD
SURFACE FINISH63.0 MICROINCHES GRIP
THREAD DIRECTIONRIGHT-HAND
THREAD LENGTH0.900 INCHES MINIMUM AND 1.000 INCHES MAXIMUM
THREAD SERIES DESIGNATORUNS
THREAD QUANTITY PER INCH24


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