5305-01-335-9276 SCREW,CAP,SOCKET HEAD Index 5305-01-335-9278 SCREW,CAP,HEXAGON H

National Stock Number:
5305-01-335-9277

Federal Supply Class:
5305

National Item Identification Number:
013359277

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:
91255A54039428MCMASTER-CARR SUPPLY CO
AES18U250750CH2A1205047THE AMERICAN SOCIETY OF MECHANICAL ENGINEERS
P0319605331LULL LIFT CORP DBA OMNIQUIP PARTS WORLDWIDE
P031961YHH8JLG INDUSTRIES, INC.


Techincal Specification:
COLORBLACK OVERALL
FASTENER LENGTH0.750 INCHES NOMINAL
HARDNESS RATING36.0 ROCKWELL C MINIMUM AND 45.0 ROCKWELL C MAXIMUM OVERALL
HEAD DIAMETER0.419 INCHES MINIMUM AND 0.437 INCHES MAXIMUM
HEAD HEIGHT0.122 INCHES MINIMUM AND 0.132 INCHES MAXIMUM
HEAD STYLEBUTTON
INTERNAL DRIVE STYLEHEXAGON
MATERIAL DOCUMENT AND CLASSIFICATIONSAE GR 8 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
MATERIALSTEEL OVERALL
MINIMUM TENSILE STRENGTH1700000 POUNDS PER SQUARE INCH
NOMINAL THREAD DIAMETER0.250 INCHES
SURFACE TREATMENTOXIDE OVERALL
THREAD CLASS3A
THREAD DIRECTIONRIGHT-HAND
THREAD LENGTH0.650 INCHES MINIMUM AND 0.750 INCHES MAXIMUM
THREAD QUANTITY PER INCH20
THREAD SERIES DESIGNATORUNIFIED NATIONAL COARSE (UNC)
WIDTH ACROSS FLATS0.156 INCHES NOMINAL


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