5305-01-258-7926 SCREW,CAP,SOCKET HEAD Index 5305-01-258-7928 SCREW,CLOSE TOLERANCE

National Stock Number:
5305-01-258-7927

Federal Supply Class:
5305

National Item Identification Number:
012587927

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:
1476C26-5LW59042CBS BROADCASTING INC.


Techincal Specification:
FASTENER LENGTH3.420 INCHES MINIMUM AND 3.500 INCHES MAXIMUM
HEAD DIAMETER0.735 INCHES MINIMUM AND 0.750 INCHES MAXIMUM
HEAD HEIGHT0.492 INCHES MINIMUM AND 0.500 INCHES MAXIMUM
HEAD STYLEFLAT CHAMFER
HOLE CONFIGURATION STYLEROUND INTERNAL HEXAGON
HOLE DIAMETER0.061 INCHES MINIMUM AND 0.067 INCHES MAXIMUM
HOLE QUANTITY4
HOLE TYPEDRILLED
INTERNAL DRIVE STYLEHEXAGON
MATERIAL DOCUMENT AND CLASSIFICATIONASTM A193 GR B7 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
MATERIALSTEEL COMP 4140 OR STEEL COMP 4142 OR STEEL COMP 4145 OVERALL
NOMINAL THREAD DIAMETER0.500 INCHES
PART NAME ASSIGNED BY CONTROLLING AGENCYNAVY SPECIAL PROJECT
WIDTH ACROSS FLATS0.375 INCHES NOMINAL
THREAD DIRECTIONRIGHT-HAND
THREAD CLASS2A
THREAD LENGTH1.500 INCHES NOMINAL
THREAD QUANTITY PER INCH13
THREAD SERIES DESIGNATORUNC


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