2540-01-599-8370 ARMOR,SUPPLEMENTAL,SMALL ARMS-FR 5310-01-599-8372 WASHER,LOCK

National Stock Number:
5305-01-599-8371

Federal Supply Class:
5305

National Item Identification Number:
015998371

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:
300002180212BAE SYSTEMS LAND & ARMAMENTS L.P.
3000021-025075076M6AMZ ALABAMA INC.
3000021-02507580212BAE SYSTEMS LAND & ARMAMENTS L.P.


Techincal Specification:
PART NAME ASSIGNED BY CONTROLLING AGENCYSCREW CAP, HEX SOCKET, BUTTON HEAD, UNRF, STEEL
PROPRIETARY CHARACTERISTICSPACS
NOMINAL THREAD DIAMETER0.250 INCHES
WIDTH ACROSS FLATS0.156 INCHES NOMINAL
HEAD DIAMETER0.428 INCHES NOMINAL
HEAD STYLEDRIVE
INTERNAL DRIVE STYLEHEXAGON
MATERIALSTEEL OVERALL
THREAD CLASS3A
THREAD DIRECTIONRIGHT-HAND
THREAD LENGTH0.679 INCHES NOMINAL
THREAD QUANTITY PER INCH28
THREAD SERIES DESIGNATORUNRF


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