5305-01-357-4678 SCREW,CAP,SOCKET HEAD Index 5305-01-357-4680 SCREW,CAP,SOCKET HEAD

National Stock Number:
5305-01-357-4679

Federal Supply Class:
5305

National Item Identification Number:
013574679

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:
7555972-299971LOCKHEED MARTIN CORP NAVAL ELECTRONICS & SURVEILLANCE SYSTEMS
T-1356-216941LONG-LOK LLC


Techincal Specification:
FASTENER LENGTH0.099 INCHES MINIMUM AND 0.109 INCHES MAXIMUM
HEAD DIAMETER0.091 INCHES MINIMUM AND 0.096 INCHES MAXIMUM
HEAD HEIGHT0.057 INCHES MINIMUM AND 0.060 INCHES MAXIMUM
HEAD STYLEPAN NO. 2
INTERNAL DRIVE STYLEHEXAGON
LOCKING FEATURESTRIP THREADS
MATERIAL DOCUMENT AND CLASSIFICATIONASTMA493 ASSN STD SINGLE MATERIAL RESPONSE FASTENER
MATERIALPLASTIC POLYCHLOROTRIFLUOROETHYLENE LOCKING FEATURESTEEL CORROSION RESISTING FASTENER
NOMINAL THREAD DIAMETER0.060 INCHES
WIDTH ACROSS FLATS0.050 INCHES MINIMUM AND 0.051 INCHES MAXIMUM
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONQQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE FASTENER
SURFACE TREATMENTPASSIVATE FASTENER
THREAD DIRECTIONRIGHT-HAND
THREAD LENGTH0.074 INCHES MINIMUM AND 0.109 INCHES MAXIMUM
THREAD CLASS3A
THREAD QUANTITY PER INCH80
THREAD SERIES DESIGNATORUNF


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