2040-01-521-3549 FAIRING ASSEMBLY,SUBMARINE Index 5330-01-521-3551 GASKET

National Stock Number:
5305-01-521-3550

Federal Supply Class:
5305

National Item Identification Number:
015213550

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:
7487173-253711NAVAL SEA SYSTEMS COMMAND


Techincal Specification:
FASTENER LENGTH0.750 INCHES NOMINAL
MATERIALNICKEL ALLOY R-405 OVERALL OR NICKEL ALLOY K-500 OVERALL
PROPRIETARY CHARACTERISTICSPACS
NOMINAL THREAD DIAMETER0.250 INCHES
THREAD CLASS2A
THREAD DIRECTIONRIGHT-HAND
THREAD LENGTH0.750 INCHES NOMINAL
THREAD QUANTITY PER INCH20
THREAD SERIES DESIGNATORUNC


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