5305-01-187-1901 THUMBSCREW Index 5305-01-187-1903 SCREW,CAP,SOCKET HEAD

National Stock Number:
5305-01-187-1902

Federal Supply Class:
5305

National Item Identification Number:
011871902

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:
882281-4496214RAYTHEON COMPANY


Techincal Specification:
FASTENER LENGTH0.380 INCHES NOMINAL
HEAD DIAMETER0.138 INCHES NOMINAL
HEAD HEIGHT0.084 INCHES NOMINAL
HEAD STYLEFLAT CHAMFER
INTERNAL DRIVE STYLEHEXAGON
MATERIALSTEEL CORROSION RESISTING OVERALL
NOMINAL THREAD DIAMETER0.112 INCHES
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONMIL-C-13924,CLASS 2 MIL SPEC SINGLE TREATMENT RESPONSE OVERALL
SURFACE TREATMENTOXIDE OVERALL
THREAD LENGTH0.120 INCHES NOMINAL
THREAD CLASS3A
THREAD DIRECTIONRIGHT-HAND
THREAD SERIES DESIGNATORUNIFIED NATIONAL COARSE (UNC)
THREAD QUANTITY PER INCH40
WIDTH ACROSS FLATS0.062 INCHES NOMINAL


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