5305-01-187-1903 SCREW,CAP,SOCKET HEAD Index 5305-01-187-1905 SCREW,CAP,SOCKET HEAD

National Stock Number:
5305-01-187-1904

Federal Supply Class:
5305

National Item Identification Number:
011871904

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:
882281-5496214RAYTHEON COMPANY


Techincal Specification:
FASTENER LENGTH0.500 INCHES NOMINAL
HEAD DIAMETER0.138 INCHES NOMINAL
HEAD HEIGHT0.084 INCHES NOMINAL
HEAD STYLEFLAT CHAMFER
INTERNAL DRIVE STYLEHEXAGON
MATERIALSTEEL CORROSION RESISTING OVERALL
NOMINAL THREAD DIAMETER0.086 INCHES
THREAD CLASS3A
THREAD DIRECTIONRIGHT-HAND
THREAD LENGTH0.100 INCHES NOMINAL
THREAD QUANTITY PER INCH56
THREAD SERIES DESIGNATORUNIFIED NATIONAL COARSE (UNC)
WIDTH ACROSS FLATS0.063 INCHES NOMINAL
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONMIL-F-14072 MIL SPEC SINGLE TREATMENT RESPONSE OVERALL
SURFACE TREATMENTPASSIVATE OVERALL


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