5305-01-574-8123 SCREW,SHOULDER Index 5305-01-574-8305 SCREW,TAPPING

National Stock Number:
5305-01-574-8281

Federal Supply Class:
5305

National Item Identification Number:
015748281

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:
NAS1352-6LN1216941LONG-LOK LLC
NAS1352-6LN1280205NATIONAL AEROSPACE STANDARDS COMMITTEE AEROSPACE INDUSTRIES ASSOCIATION OF AMERICA INC NOT FOR RFQ OR SOLICITATION USE


Techincal Specification:
FASTENER LENGTH0.720 INCHES MINIMUM AND 0.750 INCHES MAXIMUM
HEAD DIAMETER0.550 INCHES MINIMUM AND 0.562 INCHES MAXIMUM
HEAD HEIGHT0.368 INCHES MINIMUM AND 0.375 INCHES MAXIMUM
HEAD STYLEFLAT CHAMFER
INTERNAL DRIVE STYLEHEXAGON
LOCKING FEATUREPELLET THREADS
PART NAME ASSIGNED BY CONTROLLING AGENCYSCREW CAP SOCKET HEAD UNDRILLED AND DRILLED PLAIN AND SELF LOCKING ALLOY STEEL CORROSION RESISTANT STEEL AND HEAT RESISTANT STEEL UNRC-3A AND UNRC-2A
MATERIALSTEEL FASTENER
NOMINAL THREAD DIAMETER0.375 INCHES
SURFACE TREATMENTOXIDE FASTENER
THREAD CLASS3A
THREAD DIRECTIONRIGHT-HAND
THREAD LENGTH0.750 INCHES NOMINAL
THREAD QUANTITY PER INCH16
THREAD SERIES DESIGNATORUNRC
WIDTH ACROSS FLATS0.312 INCHES MINIMUM AND 0.316 INCHES MAXIMUM


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