5305-01-317-4316 SCREW,CAP,SOCKET HEAD Index 5306-01-317-4318 BOLT,CLOSE TOLERANCE

National Stock Number:
5305-01-317-4317

Federal Supply Class:
5305

National Item Identification Number:
013174317

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:
509440-1636A80020NAVAL AIR WARFARE CENTER AIRCRAFT DIVISION CODE 4.8.8.0.0.B BLDG 148-2


Techincal Specification:
HARDNESS RATING37.0 ROCKWELL C MAXIMUM OVERALL
HEAD DIAMETER1.500 INCHES MAXIMUM
HEAD HEIGHT1.000 INCHES MAXIMUM
HEAD STYLEFLAT CHAMFER
MATERIALSTEEL COMP 4140 OVERALL
NOMINAL THREAD DIAMETER1.000 INCHES
THREAD QUANTITY PER INCH8
THREAD SERIES DESIGNATORUNIFIED NATIONAL COARSE (UNC)
THREAD CLASS3A
THREAD DIRECTIONRIGHT-HAND


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