5305-01-578-2172 SCREW,MACHINE Index 5305-01-578-2252 SCREW,CLOSE TOLERANCE

National Stock Number:
5305-01-578-2245

Federal Supply Class:
5305

National Item Identification Number:
015782245

Description:
SCREW,CAP,SOCKET HEAD

Detail:
An externally threaded fastener whose threaded portion is of one nominal diameter. The head has an internal socket or multiple spline for use with an inserted driver. A locking feature may be incorporated in the design of the head or threads. Excludes items with bevel (conical) heads. See BOLT, INTERNAL WRENCHING. Excludes SCREW, SHOULDER; and SCREW, MACHINE.


Manufacturer Information:
AES18U250625EA2A1105047THE AMERICAN SOCIETY OF MECHANICAL ENGINEERS
ASME B18.24-200405047THE AMERICAN SOCIETY OF MECHANICAL ENGINEERS
ASME B18.3-200305047THE AMERICAN SOCIETY OF MECHANICAL ENGINEERS


Techincal Specification:
FASTENER LENGTH0.757 INCHES NOMINAL
HEAD DIAMETER0.437 INCHES NOMINAL
HEAD HEIGHT0.132 INCHES NOMINAL
HEAD STYLEBUTTON
INTERNAL DRIVE STYLEHEXAGON
MATERIAL DOCUMENT AND CLASSIFICATIONASTM F 879,ALLOY GROUP 1,CONDITION AF ASSN STD ALL MATERIAL RESPONSES OVERALL
MATERIALSTEEL CORROSION RESISTING OVERALL
NOMINAL THREAD DIAMETER0.250 INCHES
PART NAME ASSIGNED BY CONTROLLING AGENCYSCREW,CAP,HEX SOCKET,BUTTON HEAD
SPECIAL FEATURESSURFACE TREATMENT: PLAIN,NO FINISH // EXTERNALLY THREADED FASTENERS: PLAIN END - NO ADDITIONAL FEATURES
WIDTH ACROSS FLATS0.156 INCHES NOMINAL
SUPPLEMENTARY FEATURESTHE SCREW IS PART OF: 1010-01-573-1631 VARIABLE SLEW RATE CONTROLLER KIT (VSRC)
THREAD CLASS3A
THREAD DIRECTIONRIGHT-HAND
THREAD LENGTH0.625 INCHES NOMINAL
THREAD QUANTITY PER INCH20
THREAD SERIES DESIGNATORUNIFIED NATIONAL COARSE (UNC)


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