5305-00-902-1031 SCREW,MACHINE Index 5305-00-902-1036 SCREW,CAP,SOCKET HEAD

National Stock Number:
5305-00-902-1034

Federal Supply Class:
5305

National Item Identification Number:
009021034

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:
8-32X1-274445H-K CONNECTICUT HOLDING COMPANY


Techincal Specification:
FASTENER LENGTH0.500 INCHES NOMINAL
HARDNESS RATING45.0 ROCKWELL C MINIMUM AND 53.0 ROCKWELL C MAXIMUM OVERALL
HEAD DIAMETER0.312 INCHES NOMINAL
HEAD HEIGHT0.060 INCHES NOMINAL
HEAD STYLEBUTTON
INTERNAL DRIVE STYLEHEXAGON
MATERIALSTEEL OVERALL
NOMINAL THREAD DIAMETER0.164 INCHES
WIDTH ACROSS FLATS0.078 INCHES NOMINAL
SURFACE TREATMENTCADMIUM OVERALL
THREAD CLASS3A
THREAD DIRECTIONRIGHT-HAND
THREAD LENGTH0.500 INCHES MINIMUM
THREAD QUANTITY PER INCH32
THREAD SERIES DESIGNATORUNIFIED NATIONAL COARSE (UNC)


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