5305-00-579-5687 SCREW,MACHINE Index 5305-00-579-5695 SCREW,CAP,SOCKET HEAD

National Stock Number:
5305-00-579-5694

Federal Supply Class:
5305

National Item Identification Number:
005795694

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:
MS35457-1696906MILITARY STANDARDS PROMULGATED BY MILITARY DEPARTMENTS UNDER AUTHORITY OF DEFENSE STANDARDIZATION MANUAL 4120 3-M


Techincal Specification:
FASTENER LENGTH0.625 INCHES NOMINAL
HARDNESS RATING36.0 ROCKWELL C MINIMUM AND 43.0 ROCKWELL C MAXIMUM OVERALL
HEAD DIAMETER0.265 INCHES MINIMUM AND 0.270 INCHES MAXIMUM
HEAD HEIGHT0.160 INCHES MINIMUM AND 0.164 INCHES MAXIMUM
HEAD STYLEFLAT CHAMFER
INTERNAL DRIVE STYLEHEXAGON
MATERIAL DOCUMENT AND CLASSIFICATIONQQ-S-624 FED SPEC ALL MATERIAL RESPONSES OVERALL
MATERIALSTEEL OVERALL
MINIMUM YIELD STRENGTH140000 POUNDS PER SQUARE INCH
NOMINAL THREAD DIAMETER0.164 INCHES
NONDEFINITIVE SPEC/STD DATA1 TYPE AND 2 STYLE
THREAD QUANTITY PER INCH32
THREAD SERIES DESIGNATORUNIFIED NATIONAL COARSE (UNC)
WIDTH ACROSS FLATS0.125 INCHES MINIMUM AND 0.127 INCHES MAXIMUM
SURFACE TREATMENTCADMIUM AND CHROMATE AND ZINC AND CHROMATE OVERALL
THREAD CLASS3A
THREAD DIRECTIONRIGHT-HAND
THREAD LENGTH0.625 INCHES NOMINAL


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