1680-01-495-4265 COVER,ARMREST,AIRCRAFT Index 2540-01-495-4267 LATCH,HOOD,VEHICULAR

National Stock Number:
5305-01-495-4266

Federal Supply Class:
5305

National Item Identification Number:
014954266

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:
0.375-16UNC-3AX1.000LG NICU81349MILITARY SPECIFICATIONS PROMULGATED BY MILITARY DEPARTMENTS/AGENCIES UNDER AUTHORITY OF DEFENSE STANDARDIZATION MANUAL 4120 3-M
561-6985067-5153711NAVAL SEA SYSTEMS COMMAND
6985067-5153711NAVAL SEA SYSTEMS COMMAND
FF-S-8681348FEDERAL SPECIFICATIONS PROMULGATED BY GENERAL SERVICES ADMINISTRATION WASHINGTON DC
H511-0103-5196169ELECTRIC BOAT CORPORATION


Techincal Specification:
HEAD DIAMETER0.720 INCHES MINIMUM AND 0.781 INCHES MAXIMUM
HEAD STYLEFLAT COUNTERSUNK
INTERNAL DRIVE STYLEHEXAGON
LOCKING FEATUREPATCH THREADS OR STRIP THREADS OR PELLET THREADS
MATERIALNICKEL ALLOY 400 OVERALL
PROPRIETARY CHARACTERISTICSPACS
NOMINAL THREAD DIAMETER0.375 INCHES
NONDEFINITIVE SPEC/STD DATA4 TYPE
WIDTH ACROSS FLATS0.219 INCHES NOMINAL
THREAD CLASS3A
THREAD DIRECTIONRIGHT-HAND
THREAD LENGTH0.766 INCHES NOMINAL
THREAD QUANTITY PER INCH16
THREAD SERIES DESIGNATORUNC
COUNTERSINK ANGLE82.0 DEGREES NOMINAL
FASTENER LENGTH1.000 INCHES NOMINAL


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