5310-00-514-7724 WASHER,LOCK Index 5305-00-514-7729 SCREW,CAP,SOCKET HEAD

National Stock Number:
5305-00-514-7728

Federal Supply Class:
5305

National Item Identification Number:
005147728

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:
MILS93381349MILITARY SPECIFICATIONS PROMULGATED BY MILITARY DEPARTMENTS/AGENCIES UNDER AUTHORITY OF DEFENSE STANDARDIZATION MANUAL 4120 3-M


Techincal Specification:
FASTENER LENGTH0.625 INCHES NOMINAL
HEAD DIAMETER0.221 INCHES MINIMUM AND 0.226 INCHES MAXIMUM
HEAD HEIGHT0.134 INCHES MINIMUM AND 0.138 INCHES MAXIMUM
HEAD STYLEFLAT CHAMFER
INTERNAL DRIVE STYLEHEXAGON
MATERIALSTEEL OVERALL
NOMINAL THREAD DIAMETER0.138 INCHES
NONDEFINITIVE SPEC/STD DATAC TYPE
WIDTH ACROSS FLATS0.094 INCHES NOMINAL
SURFACE TREATMENTCADMIUM AND CHROMATE OVERALL
THREAD CLASS2A
THREAD DIRECTIONRIGHT-HAND
THREAD LENGTH0.625 INCHES NOMINAL
THREAD QUANTITY PER INCH40
THREAD SERIES DESIGNATORUNF


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