5305-00-273-4989 SCREW,CAP,SOCKET HEAD Index 5305-00-273-4992 SCREW,CAP,SOCKET HEAD

National Stock Number:
5305-00-273-4991

Federal Supply Class:
5305

National Item Identification Number:
002734991

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:
MS35455-16096906MILITARY STANDARDS PROMULGATED BY MILITARY DEPARTMENTS UNDER AUTHORITY OF DEFENSE STANDARDIZATION MANUAL 4120 3-M


Techincal Specification:
FASTENER LENGTH6.000 INCHES NOMINAL
HARDNESS RATING36.0 ROCKWELL C MINIMUM AND 43.0 ROCKWELL C MAXIMUM OVERALL
HEAD DIAMETER1.111 INCHES MINIMUM AND 1.125 INCHES MAXIMUM
HEAD HEIGHT0.865 INCHES MINIMUM AND 0.875 INCHES MAXIMUM
HEAD STYLEFLAT CHAMFER
INTERNAL DRIVE STYLEHEXAGON
MATERIAL DOCUMENT AND CLASSIFICATION66 FED STD SINGLE MATERIAL RESPONSE OVERALL
MATERIALSTEEL OVERALL
MINIMUM TENSILE STRENGTH160000 POUNDS PER SQUARE INCH
MINIMUM YIELD STRENGTH130000 POUNDS PER SQUARE INCH
NOMINAL THREAD DIAMETER0.875 INCHES
WIDTH ACROSS FLATS0.562 INCHES NOMINAL
THREAD CLASS3A
THREAD DIRECTIONRIGHT-HAND
THREAD LENGTH3.000 INCHES MINIMUM
THREAD QUANTITY PER INCH9
THREAD SERIES DESIGNATORUNC


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