5305-01-555-8404 SCREW,MACHINE Index 5305-01-556-2386 SCREW,MACHINE

National Stock Number:
5305-01-556-0123

Federal Supply Class:
5305

National Item Identification Number:
015560123

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:
10F62KCS33339KERR CORPORATION
91251A3442V507MCMASTER-CARR SUPPLY COMPANY


Techincal Specification:
FASTENER LENGTH0.625 INCHES NOMINAL
HEAD DIAMETER0.312 INCHES NOMINAL
HEAD HEIGHT0.190 INCHES NOMINAL
HEAD STYLEFLAT CHAMFER
INTERNAL DRIVE STYLEHEXAGON
PART NAME ASSIGNED BY CONTROLLING AGENCYSOCKET HEAD CAP SCREW
MINIMUM TENSILE STRENGTH170000 POUNDS PER SQUARE INCH
NOMINAL THREAD DIAMETER0.190 INCHES
SPECIAL FEATURESBLACK OXIDE STEEL OFFERS MILD RUST RESISTANCE AND HAS SOME LUBRICATION QUALITIES; ITEM IS FULLY THREADED
THREAD CLASS3A
THREAD DIRECTIONRIGHT-HAND
THREAD LENGTH0.625 INCHES NOMINAL
THREAD QUANTITY PER INCH32
THREAD SERIES DESIGNATORUNF
WIDTH ACROSS FLATS0.156 INCHES NOMINAL


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