5305-00-169-8346 SCREW,MACHINE Index 5305-00-169-8348 SCREW,MACHINE

National Stock Number:
5306-00-169-8347

Federal Supply Class:
5306

National Item Identification Number:
001698347

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:
145-501-90010HBF7BLANC AIRCRAFT FASTENERS INC
145-501-90010UCY9M.S. AEROSPACE INC.
145-501-900170210HONEYWELL INTERNATIONAL INC.
145-501-900172599ALLIEDSIGNAL INC DBA ALLIED-SIGNAL AEROSPACE CO
145-501-900180539SPS TECHNOLOGIES, LLC
145-501-900199193HONEYWELL INTERNATIONAL INC.
16A428-1H29372HOWMET GLOBAL FASTENING SYSTEMS INC.
DE-1001-150276PREECE INC DECCA VALVES DIV


Techincal Specification:
FASTENER LENGTH0.625 INCHES MINIMUM AND 0.672 INCHES MAXIMUM
FEATURES PROVIDEDFINISHED HEAD
GRIP LENGTH0.125 INCHES NOMINAL
HEAD HEIGHT0.156 INCHES NOMINAL
HEAD STYLEHEXAGON
HOLE DIAMETER0.156 INCHES NOMINAL
HOLE CONFIGURATION STYLEHEXAGON FLATS
HOLE QUANTITY1
HOLE TYPEDRILLED
MATERIAL DOCUMENT AND CLASSIFICATIONAMS 5721 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
MATERIALIRON ALLOY 651 OVERALL
NOMINAL THREAD DIAMETER0.250 INCHES
WIDTH BETWEEN FLATS0.428 INCHES MINIMUM AND 0.440 INCHES MAXIMUM
SURFACE TREATMENTCHROMIUM OVERALL
THREAD CLASS3A
THREAD DIRECTIONRIGHT-HAND
THREAD LENGTH0.444 INCHES MINIMUM
THREAD SERIES DESIGNATORUNF
THREAD QUANTITY PER INCH28


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