5305-01-240-7390 SCREW,CAP,SOCKET HEAD Index 5305-01-240-7392 SETSCREW

National Stock Number:
5305-01-240-7391

Federal Supply Class:
5305

National Item Identification Number:
012407391

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:
38030E-96C-8C56878SPS TECHNOLOGIES, LLC
C12102-96C8C81755LOCKHEED MARTIN CORPORATION


Techincal Specification:
THREAD SERIES DESIGNATORUNRC
NOMINAL THREAD DIAMETER0.138 INCHES
THREAD QUANTITY PER INCH32
THREAD CLASS3A
THREAD DIRECTIONRIGHT-HAND
THREAD LENGTH0.408 INCHES MINIMUM AND
0.500 INCHES MAXIMUM
FASTENER LENGTH0.470 INCHES MINIMUM AND
0.500 INCHES MAXIMUM
MATERIALSTEEL OVERALL
SURFACE TREATMENTCADMIUM AND
CHROMATE OVERALL
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONQQ-P-416 TY 2 CL 3 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
HARDNESS RATING36.0 ROCKWELL C MINIMUM AND
45.0 ROCKWELL C MAXIMUM OVERALL
MINIMUM TENSILE STRENGTH160000 POUNDS PER SQUARE INCH
HEAD STYLEBUTTON
HEAD DIAMETER0.250 INCHES MINIMUM AND
0.262 INCHES MAXIMUM
HEAD HEIGHT0.063 INCHES MINIMUM AND
0.073 INCHES MAXIMUM
INTERNAL DRIVE STYLEHEXAGON
WIDTH ACROSS FLATS0.078 INCHES NOMINAL
LOCKING FEATUREPATCH THREADS


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