5355-01-443-4450 KNOB Index 5340-01-443-4452 STRAP,RETAINING

National Stock Number:
5305-01-443-4451

Federal Supply Class:
5305

National Item Identification Number:
014434451

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:
113-4645234 IT 12280064NAVAL SHIP SYSTEMS COMMAND
21800824596169ELECTRIC BOAT CORPORATION


Techincal Specification:
FASTENER LENGTH5.500 INCHES NOMINAL
HEAD DIAMETER1.479 INCHES MINIMUM AND 1.500 INCHES MAXIMUM
HEAD HEIGHT0.988 INCHES MINIMUM AND 1.000 INCHES MAXIMUM
HEAD STYLEFLAT CHAMFER
INTERNAL DRIVE STYLEHEXAGON
LOCKING FEATUREPATCH OR PELLET OR STRIP THREADS
MATERIALPLASTIC POLYAMIDE NYLON LOCKING FEATURE
MATERIALNICKEL ALLOY 400 OVERALL
NOMINAL THREAD DIAMETER1.000 INCHES
THREAD CLASS3A
THREAD DIRECTIONRIGHT-HAND
THREAD LENGTH2.500 INCHES NOMINAL
THREAD SERIES DESIGNATORUNIFIED NATIONAL COARSE (UNC)
THREAD QUANTITY PER INCH8
WIDTH ACROSS FLATS0.750 INCHES NOMINAL


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