5306-01-172-0518 BOLT,SHEAR Index 5305-01-172-0520 SCREW,CAP,HEXAGON HEAD

National Stock Number:
5305-01-172-0519

Federal Supply Class:
5305

National Item Identification Number:
011720519

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:
113-2116738 PC 1380064NAVAL SHIP SYSTEMS COMMAND
2116738 PIECE 1380064NAVAL SHIP SYSTEMS COMMAND


Techincal Specification:
COUNTERSINK ANGLE82.0 DEGREES NOMINAL
FASTENER LENGTH2.000 INCHES NOMINAL
HEAD DIAMETER1.112 INCHES NOMINAL
HEAD STYLEFLAT COUNTERSUNK
INTERNAL DRIVE STYLEHEXAGON
MATERIAL DOCUMENT AND CLASSIFICATIONQQ-N-281,CL B FED SPEC SINGLE MATERIAL RESPONSE OVERALL
MATERIALNICKEL ALLOY OVERALL
NOMINAL THREAD DIAMETER0.625 INCHES
THREAD QUANTITY PER INCH11
THREAD SERIES DESIGNATORUNIFIED NATIONAL COARSE (UNC)
WIDTH ACROSS FLATS0.3750 INCHES NOMINAL
THREAD CLASS3A
THREAD DIRECTIONRIGHT-HAND
THREAD LENGTH1.676 INCHES NOMINAL


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