3120-01-377-4353 BUSHING,SLEEVE Index 5305-01-377-4355 SCREW,CAP,SOCKET HEAD

National Stock Number:
5305-01-377-4354

Federal Supply Class:
5305

National Item Identification Number:
013774354

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:
12387270-14519207U S ARMY TANK AUTOMOTIVE COMMAND AMSTA-IM-MM


Techincal Specification:
COLORBRONZE OR OLIVE DRAB OVERALL
FASTENER LENGTH1.940 INCHES MINIMUM AND 2.000 INCHES MAXIMUM
HEAD DIAMETER0.735 INCHES MINIMUM AND 0.750 INCHES MAXIMUM
HEAD HEIGHT0.492 INCHES MINIMUM AND 0.500 INCHES MAXIMUM
HEAD STYLEFLAT CHAMFER
INTERNAL DRIVE STYLEHEXAGON
MATERIALSTEEL OVERALL
MINIMUM TENSILE STRENGTH160000 POUNDS PER SQUARE INCH
NOMINAL THREAD DIAMETER0.500 INCHES
WIDTH ACROSS FLATS0.375 INCHES MINIMUM AND 0.379 INCHES MAXIMUM
SURFACE TREATMENTCHROMATE OVERALL
THREAD CLASS3A
THREAD DIRECTIONRIGHT-HAND
THREAD LENGTH1.846 INCHES MINIMUM AND 2.000 INCHES MAXIMUM
THREAD QUANTITY PER INCH13
THREAD SERIES DESIGNATORUNIFIED NATIONAL COARSE (UNC)


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