2815-01-331-1579 OIL PUMP ASSEMBLY,ENGINE Index 5305-01-331-1581 SCREW,CAP,SOCKET HEAD

National Stock Number:
5305-01-331-1580

Federal Supply Class:
5305

National Item Identification Number:
013311580

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:
581894853711NAVAL SEA SYSTEMS COMMAND


Techincal Specification:
FASTENER LENGTH4.125 INCHES NOMINAL
HEAD DIAMETER0.164 INCHES NOMINAL
MATERIALSTEEL OVERALL
THREAD CLASS2A
THREAD DIRECTIONRIGHT-HAND
THREAD LENGTH1.000 INCHES NOMINAL
THREAD QUANTITY PER INCH32
THREAD SERIES DESIGNATORUNIFIED NATIONAL COARSE (UNC)


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