5305-01-571-4742 SCREW,WASHER HEAD,A Index 5305-01-571-4817 SCREW,CAP,SOCKET HEAD

National Stock Number:
5305-01-571-4768

Federal Supply Class:
5305

National Item Identification Number:
015714768

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:
MS24667-53ZL96906MILITARY STANDARDS PROMULGATED BY MILITARY DEPARTMENTS UNDER AUTHORITY OF DEFENSE STANDARDIZATION MANUAL 4120 3-M
NASM24667-53ZL80205NATIONAL AEROSPACE STANDARDS COMMITTEE AEROSPACE INDUSTRIES ASSOCIATION OF AMERICA INC NOT FOR RFQ OR SOLICITATION USE


Techincal Specification:
COUNTERSINK ANGLE80.0 DEGREES MINIMUM AND 84.0 DEGREES MAXIMUM
FASTENER LENGTH1.250 INCHES NOMINAL
HEAD DIAMETER0.234 INCHES NOMINAL
HEAD STYLEFLAT COUNTERSUNK
INTERNAL DRIVE STYLEHEXAGON
MATERIALSTEEL OVERALL
MINIMUM TENSILE STRENGTH11600 POUNDS PER SQUARE INCH
NOMINAL THREAD DIAMETER0.375 INCHES
PART NAME ASSIGNED BY CONTROLLING AGENCYSCREW, CAP, SOCKET HEAD
WIDTH ACROSS FLATS0.219 INCHES NOMINAL
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONASTM B 633 ASSN STD SINGLE TREATMENT RESPONSE OVERALL
SURFACE TREATMENTZINC OVERALL
THREAD CLASS3A
THREAD DIRECTIONRIGHT-HAND
THREAD LENGTH1.250 INCHES NOMINAL
THREAD QUANTITY PER INCH16
THREAD SERIES DESIGNATORUNIFIED NATIONAL COARSE (UNC)


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