1680-01-417-4659 CRANK ASSEMBLY Index 1660-01-417-4661 PENDANT

National Stock Number:
5305-01-417-4660

Federal Supply Class:
5305

National Item Identification Number:
014174660

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:
903-5912051PC2553711NAVAL SEA SYSTEMS COMMAND


Techincal Specification:
FASTENER LENGTH0.625 INCHES NOMINAL
INTERNAL DRIVE STYLEHEXAGON
MATERIALSTEEL OVERALL
NOMINAL THREAD DIAMETER0.250 INCHES
THREAD CLASS2A
THREAD QUANTITY PER INCH20
THREAD SERIES DESIGNATORUNIFIED NATIONAL COARSE (UNC)


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