5305-01-579-8362 SCREW,MACHINE Index 5305-01-579-8422 SCREW,MACHINE

National Stock Number:
5305-01-579-8406

Federal Supply Class:
5305

National Item Identification Number:
015798406

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:
MS16995-96B96906MILITARY STANDARDS PROMULGATED BY MILITARY DEPARTMENTS UNDER AUTHORITY OF DEFENSE STANDARDIZATION MANUAL 4120 3-M


Techincal Specification:
COLORBLACK OVERALL
FASTENER LENGTH1.440 INCHES MINIMUM AND 1.500 INCHES MAXIMUM
HEAD DIAMETER0.735 INCHES MINIMUM AND 0.750 INCHES MAXIMUM
HEAD HEIGHT0.492 INCHES MINIMUM AND 0.500 INCHES MAXIMUM
HEAD STYLEFLAT CHAMFER
INTERNAL DRIVE STYLEHEXAGON
MATERIALSTEEL CORROSION RESISTING OVERALL
MINIMUM TENSILE STRENGTH80000 POUNDS PER SQUARE INCH
NOMINAL THREAD DIAMETER0.500 INCHES
PART NAME ASSIGNED BY CONTROLLING AGENCYSCREW CAP SOCKET HEAD HEXAGON CORROSION RESISTANT STEEL UNC-3A
WIDTH ACROSS FLATS0.375 INCHES MINIMUM AND 0.379 INCHES MAXIMUM
SURFACE TREATMENTOXIDE OVERALL
THREAD CLASS3A
THREAD DIRECTIONRIGHT-HAND
THREAD LENGTH1.500 INCHES NOMINAL
THREAD QUANTITY PER INCH13
THREAD SERIES DESIGNATORUNC


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