5305-01-123-9770 SCREW,CAP,SOCKET HEAD Index 5305-01-123-9776 SCREW,TAPPING

National Stock Number:
5305-01-123-9771

Federal Supply Class:
5305

National Item Identification Number:
011239771

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:
MS21097-301096906MILITARY STANDARDS PROMULGATED BY MILITARY DEPARTMENTS UNDER AUTHORITY OF DEFENSE STANDARDIZATION MANUAL 4120 3-M


Techincal Specification:
FASTENER LENGTH1.016 INCHES MINIMUM AND 1.062 INCHES MAXIMUM
HEAD DIAMETER0.357 INCHES MINIMUM AND 0.373 INCHES MAXIMUM
HEAD HEIGHT0.122 INCHES MINIMUM AND 0.133 INCHES MAXIMUM
HEAD STYLEPAN
INTERNAL DRIVE STYLECROSS RECESS TYPE 1
LOCKING FEATURESTRIP OR PELLET OR PATCH THREADS
MATERIAL DOCUMENT AND CLASSIFICATIONMIL-S-18732 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL
MATERIALSTEEL COMP 431 OVERALL
MINIMUM TENSILE STRENGTH80000 POUNDS PER SQUARE INCH
NOMINAL THREAD DIAMETER0.190 INCHES
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONQQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
SURFACE TREATMENTPASSIVATE OVERALL
THREAD CLASS3A
THREAD DIRECTIONRIGHT-HAND
THREAD LENGTH0.381 INCHES MINIMUM AND 0.447 INCHES MAXIMUM
THREAD QUANTITY PER INCH32
THREAD SERIES DESIGNATORUNF


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