5307-00-576-0886 STUD,BALL Index 5305-00-576-0890 SCREW,MACHINE

National Stock Number:
5305-00-576-0888

Federal Supply Class:
5305

National Item Identification Number:
005760888

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.


Techincal Specification:
FASTENER LENGTH0.562 INCHES NOMINAL
HEAD DIAMETER0.178 INCHES MINIMUM AND 0.183 INCHES MAXIMUM
HEAD HEIGHT0.109 INCHES MINIMUM AND 0.112 INCHES MAXIMUM
HEAD STYLEFLAT CHAMFER
INTERNAL DRIVE STYLESIX SPLINE
MATERIALSTEEL OVERALL
NOMINAL THREAD DIAMETER0.112 INCHES
SPLINE MAJOR DIAMETER0.098 INCHES NOMINAL
SPLINE MINOR DIAMETER0.082 INCHES NOMINAL
SPLINE WIDTH0.022 INCHES NOMINAL
SURFACE TREATMENTCADMIUM OR ZINC OVERALL
THREAD CLASS2A
THREAD DIRECTIONRIGHT-HAND
THREAD LENGTH0.562 INCHES MAXIMUM
THREAD QUANTITY PER INCH40
THREAD SERIES DESIGNATORUNC


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