5305-01-612-8100 SCREW,BALANCE 5305-01-612-8508 SCREW,CAP,SOCKET HEAD

National Stock Number:
5305-01-612-8487

Federal Supply Class:
5305

National Item Identification Number:
016128487

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:
26M01-4501-4496169ELECTRIC BOAT CORPORATION
556-6408589-7153711NAVAL SEA SYSTEMS COMMAND
DF330661-7143689HUNTINGTON INGALLS INC
556-7410897-4453711NAVAL SEA SYSTEMS COMMAND


Techincal Specification:
THREAD SERIES DESIGNATORUNRC
NOMINAL THREAD DIAMETER0.250 INCHES
THREAD QUANTITY PER INCH20
THREAD CLASS3A
THREAD DIRECTIONRIGHT-HAND
THREAD LENGTH0.750 INCHES NOMINAL
FASTENER LENGTH1.000 INCHES NOMINAL
MATERIALPLASTIC NYLON LOCKING FEATURE
STEEL FASTENER
HEAD STYLEFLAT CHAMFER
HEAD DIAMETER0.375 INCHES MAXIMUM
HEAD HEIGHT0.250 INCHES MAXIMUM
INTERNAL DRIVE STYLEHEXAGON
WIDTH ACROSS FLATS0.188 INCHES NOMINAL
LOCKING FEATUREPATCH OR
STRIP LOCKING FEATURE
PART NAME ASSIGNED BY CONTROLLING AGENCYSCREW,CAP,SLFLKG,SOCKET CYLINDER HEAD


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