5306-00-638-9223 BOLT,MACHINE Index 5306-00-638-9227 BOLT,MACHINE

National Stock Number:
5306-00-638-9226

Federal Supply Class:
5306

National Item Identification Number:
006389226

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:
6128005237HAMILTON SUNDSTRAND CORP
6128099167HAMILTON SUNDSTRAND CORPORATION
AN10471288044AERONAUTICAL STANDARDS GROUP DEPT OF NAVY AND AIR FORCE


Techincal Specification:
FASTENER LENGTH0.875 INCHES NOMINAL
FEATURES PROVIDEDFINISHED HEAD
GRIP LENGTH0.250 INCHES NOMINAL
HEAD HEIGHT0.156 INCHES NOMINAL
HEAD STYLEHEXAGON
MATERIAL DOCUMENT AND CLASSIFICATIONAMS 7472 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
MATERIALSTEEL CORROSION RESISTING OVERALL
NOMINAL THREAD DIAMETER0.250 INCHES
WIDTH BETWEEN FLATS0.430 INCHES MINIMUM AND 0.439 INCHES MAXIMUM
SURFACE FINISH32.0 MICROINCHES THREADS
SURFACE FINISH63.0 MICROINCHES BEARING SURFACE OF HEAD
SURFACE FINISH63.0 MICROINCHES GRIP
THREAD CLASS3A
THREAD DIRECTIONRIGHT-HAND
THREAD LENGTH0.625 INCHES MINIMUM
THREAD QUANTITY PER INCH28
THREAD SERIES DESIGNATORUNF


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