5310-00-639-6778 NUT,PLAIN,ROUND Index 5305-00-639-6795 SCREW,MACHINE

National Stock Number:
5306-00-639-6782

Federal Supply Class:
5306

National Item Identification Number:
006396782

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:
27314952661RTX CORPORATION
27314977445RTX CORPORATION


Techincal Specification:
FASTENER LENGTH1.615 INCHES MINIMUM AND 1.635 INCHES MAXIMUM
FEATURES PROVIDEDFINISHED HEAD
GRIP LENGTH0.750 INCHES MINIMUM AND 0.812 INCHES MAXIMUM
HEAD HEIGHT0.271 INCHES MINIMUM AND 0.291 INCHES MAXIMUM
HEAD STYLEHEXAGON
HOLE CONFIGURATION STYLEHEXAGON FLATS
HOLE DIAMETER0.070 INCHES NOMINAL
HOLE QUANTITY3
HOLE TYPEDRILLED
MATERIAL DOCUMENT AND CLASSIFICATIONAMS 7472 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
MATERIALSTEEL CORROSION RESISTING OVERALL
NOMINAL THREAD DIAMETER0.312 INCHES
NONSTANDARD THREAD PITCH DIAMETER+0.2800 TO 0.2824 INCHES
WIDTH BETWEEN FLATS0.493 INCHES MINIMUM AND 0.503 INCHES MAXIMUM
SURFACE FINISH32.0 MICROINCHES THREADS
SURFACE FINISH63.0 MICROINCHES BEARING SURFACE OF HEAD
SURFACE FINISH63.0 MICROINCHES GRIP
THREAD DIRECTIONRIGHT-HAND
THREAD LENGTH0.803 INCHES MINIMUM AND 0.885 INCHES MAXIMUM
THREAD QUANTITY PER INCH24
THREAD SERIES DESIGNATORUNF


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