5305-01-353-0289 THUMBSCREW Index 5305-01-353-0291 SCREW,CAP,SOCKET HEAD

National Stock Number:
5305-01-353-0290

Federal Supply Class:
5305

National Item Identification Number:
013530290

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:
5498356-153711NAVAL SEA SYSTEMS COMMAND


Techincal Specification:
FASTENER LENGTH2.250 INCHES NOMINAL
MATERIALSTEEL OVERALL
NOMINAL THREAD DIAMETER0.250 INCHES
SURFACE TREATMENTPASSIVATE OVERALL
THREAD CLASS3A
THREAD LENGTH1.000 INCHES NOMINAL
THREAD SERIES DESIGNATORUNRF
THREAD QUANTITY PER INCH28


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