5306-01-188-1659 BOLT,SHEAR Index 5305-01-188-1661 SCREW,CAP,SOCKET HEAD

National Stock Number:
5305-01-188-1660

Federal Supply Class:
5305

National Item Identification Number:
011881660

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:
60-713 PIECE 79927235HARDIE-TYNES CO., INC.
642-46327235HARDIE-TYNES CO., INC.


Techincal Specification:
FASTENER LENGTH3.250 INCHES NOMINAL
HARDNESS RATING36.0 ROCKWELL C MINIMUM AND 45.0 ROCKWELL C MAXIMUM OVERALL
INTERNAL DRIVE STYLEHEXAGON
MATERIALSTEEL OVERALL
MINIMUM TENSILE STRENGTH170000 POUNDS PER SQUARE INCH
MINIMUM YIELD STRENGTH150000 POUNDS PER SQUARE INCH
NOMINAL THREAD DIAMETER0.500 INCHES
THREAD QUANTITY PER INCH13
THREAD SERIES DESIGNATORUNIFIED NATIONAL COARSE (UNC)
THREAD DIRECTIONRIGHT-HAND
THREAD CLASS2A


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