5306-00-815-7214 BOLT,MACHINE Index 5306-00-815-7216 BOLT,MACHINE

National Stock Number:
5306-00-815-7215

Federal Supply Class:
5306

National Item Identification Number:
008157215

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:
R107P13N07482GENERAL ELECTRIC COMPANY
R107P13N24446GENERAL ELECTRIC COMPANY


Techincal Specification:
EXTENDED WASHER DIAMETER0.490 INCHES MINIMUM AND 0.510 INCHES MAXIMUM
EXTENDED WASHER THICKNESS0.070 INCHES MINIMUM AND 0.080 INCHES MAXIMUM
FASTENER LENGTH1.302 INCHES MINIMUM AND 1.322 INCHES MAXIMUM
FEATURES PROVIDEDFINISHED HEAD
GRIP LENGTH0.442 INCHES MINIMUM AND 0.448 INCHES MAXIMUM
HEAD HEIGHT0.365 INCHES MINIMUM AND 0.385 INCHES MAXIMUM
HEAD STYLEDOUBLE HEXAGON W/HOLE
MATERIALSTEEL 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
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONAMS 2403 ASSN STD SINGLE TREATMENT RESPONSE OVERALL
SURFACE TREATMENTNICKEL OVERALL
THREAD DIRECTIONRIGHT-HAND
THREAD LENGTH0.864 INCHES MINIMUM AND 0.890 INCHES MAXIMUM
THREAD SERIES DESIGNATORUNS
THREAD QUANTITY PER INCH24
WIDTH BETWEEN FLATS0.367 INCHES MINIMUM AND 0.376 INCHES MAXIMUM


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