5305-01-423-2638 SCREW,CAP,HEXAGON HEAD Index 5305-01-423-2640 SCREW,CAP,SOCKET HEAD

National Stock Number:
5305-01-423-2639

Federal Supply Class:
5305

National Item Identification Number:
014232639

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:
0.138-32UNRC-2AX 0.500 IN LG80204AMERICAN NATIONAL STANDARDS INSTITUTE INCORPORATED
21104947953711NAVAL SEA SYSTEMS COMMAND
6406847 ITEM 3253711NAVAL SEA SYSTEMS COMMAND
752-6406847 ITEM 3253711NAVAL SEA SYSTEMS COMMAND


Techincal Specification:
THREAD SERIES DESIGNATORUNRC
NOMINAL THREAD DIAMETER0.138 INCHES
THREAD QUANTITY PER INCH32
THREAD CLASS2A
THREAD DIRECTIONRIGHT-HAND
THREAD LENGTH0.500 INCHES NOMINAL
FASTENER LENGTH0.500 INCHES NOMINAL
MATERIALSTEEL OVERALL
PLASTIC POLYAMIDE LOCKING FEATURE
HEAD STYLEBUTTON
HEAD DIAMETER0.250 INCHES MINIMUM AND
0.262 INCHES MAXIMUM
HEAD HEIGHT0.063 INCHES MINIMUM AND
0.073 INCHES MAXIMUM
INTERNAL DRIVE STYLEHEXAGON
WIDTH ACROSS FLATS0.078 INCHES NOMINAL
LOCKING FEATUREPATCH OR
PELLET OR
STRIP THREADS


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