5305-01-591-0075 SCREW ASSEMBLY,PANEL 5305-01-591-0913 SCREW,CAP,SOCKET HEAD

National Stock Number:
5305-01-591-0107

Federal Supply Class:
5305

National Item Identification Number:
015910107

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:
NASM35191-29296906MILITARY STANDARDS PROMULGATED BY MILITARY DEPARTMENTS UNDER AUTHORITY OF DEFENSE STANDARDIZATION MANUAL 4120 3-M


Techincal Specification:
THREAD SERIES DESIGNATORUNF
NOMINAL THREAD DIAMETER0.250 INCHES
THREAD QUANTITY PER INCH28
THREAD CLASS2A
THREAD DIRECTIONRIGHT-HAND
THREAD LENGTH0.620 INCHES MINIMUM AND
0.722 INCHES MAXIMUM
FASTENER LENGTH0.844 INCHES MINIMUM AND
0.875 INCHES MAXIMUM
MATERIALSTEEL OVERALL
SURFACE TREATMENTCADMIUM AND
CHROMATE OVERALL
HEAD STYLEFLAT COUNTERSUNK
HEAD DIAMETER0.452 INCHES MINIMUM AND
0.507 INCHES MAXIMUM
COUNTERSINK ANGLE80.0 DEGREES MINIMUM AND
82.0 DEGREES MAXIMUM
INTERNAL DRIVE STYLECROSS RECESS TYPE 1
PART NAME ASSIGNED BY CONTROLLING AGENCYSCREW MACHINE 82 DEGREES FLAT COUNTERSUNK HEAD CROSS-RECESSED CARBON STEEL CADMIUM PLATED UNF-2A
SPEC/STD CONTROLLING DATA
MANUFACTURERS CODE96906
DEFINITIVE GOVERNMENT SPEC/STD REFERENCENASM35191-292


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