5305-00-143-1713 SCREW,EXTERNALLY RELIEVED BODY Index 5305-00-143-1715 SCREW,CAP,SOCKET HEAD

National Stock Number:
5305-00-143-1714

Federal Supply Class:
5305

National Item Identification Number:
001431714

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:
509441-123680020NAVAL AIR WARFARE CENTER AIRCRAFT DIVISION CODE 4.8.8.0.0.B BLDG 148-2


Techincal Specification:
FASTENER LENGTH4.500 INCHES NOMINAL
HARDNESS RATING
HEAD DIAMETER1.125 INCHES NOMINAL
HEAD HEIGHT0.750 INCHES NOMINAL
HEAD STYLEFLAT CHAMFER
INTERNAL DRIVE STYLEHEXAGON
MATERIAL DOCUMENT AND CLASSIFICATION
MATERIAL
NOMINAL THREAD DIAMETER0.750 INCHES
TEST DATA DOCUMENT81349-MILI6868 SPECIFICATION (INCLUDES ENGINEERING TYPE BULLETINS, BROCHURES,ETC., THAT REFLECT SPECIFICATION TYPE DATA IN SPECIFICATION FORMAT; EXCLUDES COMMERCIAL CATALOGS, INDUSTRY DIRECTORIES, AND SIMILAR TRADE PUBLICATIONS, REFLECTING GENERAL TYPE DATA ON CERTAIN ENVIRONMENTAL AND PERFORMANCE REQUIREMENTS AND TEST CONDITIONS THAT ARE SHOWN AS "TYPICAL", "AVERAGE", "NOMINAL", ETC.).
THREAD CLASS3A
THREAD DIRECTIONRIGHT-HAND
THREAD LENGTH1.687 INCHES MINIMUM
THREAD QUANTITY PER INCH16
THREAD SERIES DESIGNATORUNF
WIDTH ACROSS FLATS0.625 INCHES NOMINAL


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