5305-01-042-4415 SCREW,CAP,SOCKET HEAD Index 5305-01-042-4418 SCREW,TAPPING

National Stock Number:
5305-01-042-4417

Federal Supply Class:
5305

National Item Identification Number:
010424417

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:
8977966-911447L3 TECHNOLOGIES, INC.
8977966-949671LOCKHEED MARTIN CORP LOCKHEED MARTIN INFORMATION SYSTEMS AUTOMATED SPARES


Techincal Specification:
COUNTERSINK ANGLE100.0 DEGREES NOMINAL
FASTENER LENGTH0.344 INCHES MINIMUM AND 0.375 INCHES MAXIMUM
HEAD DIAMETER0.249 INCHES MINIMUM AND 0.279 INCHES MAXIMUM
HEAD STYLEFLAT COUNTERSUNK
INTERNAL DRIVE STYLECROSS RECESS TYPE 1
LOCKING FEATUREPELLET OR STRIP THREADS
MATERIALPLASTIC LOCKING FEATURE
MATERIALSTEEL COMP 302 OR STEEL COMP 303 OR STEEL COMP 304 FASTENER
NOMINAL THREAD DIAMETER0.138 INCHES
SURFACE TREATMENTPASSIVATE FASTENER
THREAD LENGTH0.222 INCHES MINIMUM AND 0.324 INCHES MAXIMUM
THREAD CLASS2A
THREAD DIRECTIONRIGHT-HAND
THREAD SERIES DESIGNATORUNC
THREAD QUANTITY PER INCH32


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