5305-01-372-9400 SCREW,CAP,SOCKET HEAD Index 5306-01-372-9402 BOLT,CLOSE TOLERANCE

National Stock Number:
5305-01-372-9401

Federal Supply Class:
5305

National Item Identification Number:
013729401

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:
412-4678002 ITEM 2280064NAVAL SHIP SYSTEMS COMMAND


Techincal Specification:
THREAD SERIES DESIGNATORUNC
NOMINAL THREAD DIAMETER0.375 INCHES
THREAD QUANTITY PER INCH16
THREAD CLASS3A
THREAD DIRECTIONRIGHT-HAND
THREAD LENGTH1.500 INCHES MAXIMUM
FASTENER LENGTH1.460 INCHES MINIMUM AND
1.500 INCHES MAXIMUM
MATERIALPLASTIC POLYAMIDE LOCKING FEATURE
NICKEL ALLOY K-500 FASTENER
MATERIAL DOCUMENT AND CLASSIFICATIONQQ-N-286 CL A ANNEALED AND AGE HARDENED FED SPEC SINGLE MATERIAL RESPONSE FASTENER
MINIMUM TENSILE STRENGTH130000 POUNDS PER SQUARE INCH
MINIMUM YIELD STRENGTH90000 POUNDS PER SQUARE INCH
HEAD STYLEFLAT CHAMFER
HEAD DIAMETER0.550 INCHES MINIMUM AND
0.562 INCHES MAXIMUM
HEAD HEIGHT0.368 INCHES MINIMUM AND
0.375 INCHES MAXIMUM
INTERNAL DRIVE STYLEHEXAGON
WIDTH ACROSS FLATS0.312 INCHES NOMINAL
LOCKING FEATUREPATCH OR
PELLET OR
STRIP THREADS


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