5305-01-266-8564 SCREW,CAP,SOCKET HEAD Index 5305-01-266-8566 SCREW,MACHINE

National Stock Number:
5305-01-266-8565

Federal Supply Class:
5305

National Item Identification Number:
012668565

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:
MIL-DTL-122281349MILITARY SPECIFICATIONS PROMULGATED BY MILITARY DEPARTMENTS/AGENCIES UNDER AUTHORITY OF DEFENSE STANDARDIZATION MANUAL 4120 3-M
MIL-S-122281349MILITARY SPECIFICATIONS PROMULGATED BY MILITARY DEPARTMENTS/AGENCIES UNDER AUTHORITY OF DEFENSE STANDARDIZATION MANUAL 4120 3-M


Techincal Specification:
FASTENER LENGTH2.190 INCHES MINIMUM AND 2.250 INCHES MAXIMUM
HARDNESS RATING37.0 ROCKWELL C MINIMUM AND 45.0 ROCKWELL C MAXIMUM OVERALL
HEAD DIAMETER0.921 INCHES MINIMUM AND 0.938 INCHES MAXIMUM
HEAD HEIGHT0.616 INCHES MINIMUM AND 0.625 INCHES MAXIMUM
HEAD STYLEFLAT CHAMFER
INTERNAL DRIVE STYLEHEXAGON
MATERIAL DOCUMENT AND CLASSIFICATIONASTM A574 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
MATERIALSTEEL COMP 4340 OVERALL
MINIMUM TENSILE STRENGTH170000 POUNDS PER SQUARE INCH
NOMINAL THREAD DIAMETER0.625 INCHES
NONDEFINITIVE SPEC/STD DATA2 TYPE
WIDTH ACROSS FLATS0.500 INCHES NOMINAL
THREAD CLASS3A
THREAD DIRECTIONRIGHT-HAND
THREAD LENGTH2.008 INCHES MINIMUM AND 2.250 INCHES MAXIMUM
THREAD QUANTITY PER INCH11
THREAD SERIES DESIGNATORUNC


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