5305-01-557-5717 SCREW,CAP,SOCKET HEAD Index 5305-01-557-2600 SCREW,SHOULDER

National Stock Number:
5305-01-556-2633

Federal Supply Class:
5305

National Item Identification Number:
015562633

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:
NAS1351N8LB2480205NATIONAL AEROSPACE STANDARDS COMMITTEE AEROSPACE INDUSTRIES ASSOCIATION OF AMERICA INC NOT FOR RFQ OR SOLICITATION USE


Techincal Specification:
EXTENDED WASHER DIAMETER0.735 INCHES MINIMUM AND 0.750 INCHES MAXIMUM
FASTENER LENGTH2.000 INCHES NOMINAL
HEAD HEIGHT0.500 INCHES NOMINAL
HEAD STYLECHAMFER FLANGE
INTERNAL DRIVE STYLEHEXAGON
PART NAME ASSIGNED BY CONTROLLING AGENCYMACHINE SCREW
NOMINAL THREAD DIAMETER0.500 INCHES
SPECIAL FEATURESBREAKING STRENGTH 25,600 POUNDS
THREAD CLASS3A
THREAD DIRECTIONRIGHT-HAND
THREAD LENGTH1.500 INCHES NOMINAL
THREAD QUANTITY PER INCH20
THREAD SERIES DESIGNATORUNRF
WIDTH ACROSS FLATS0.375 INCHES NOMINAL
WIDTH BETWEEN FLATS0.375 INCHES NOMINAL


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