4730-00-207-1315 NUT ASSEMBLY,UNION Index 5305-00-207-1341 SCREW,CAP,SOCKET HEAD

National Stock Number:
5305-00-207-1340

Federal Supply Class:
5305

National Item Identification Number:
002071340

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:
A91777-1780020NAVAL AIR WARFARE CENTER AIRCRAFT DIVISION CODE 4.8.8.0.0.B BLDG 148-2


Techincal Specification:
COUNTERSINK ANGLE82.0 DEGREES NOMINAL
FASTENER LENGTH0.750 INCHES NOMINAL
HEAD DIAMETER0.750 INCHES NOMINAL
HEAD STYLEFLAT COUNTERSUNK
NOMINAL THREAD DIAMETER0.375 INCHES
INTERNAL DRIVE STYLEHEXAGON
MATERIAL DOCUMENT AND CLASSIFICATIONQQ-S-689 FED SPEC SINGLE MATERIAL RESPONSE OVERALL
MATERIALSTEEL OVERALL
MINIMUM TENSILE STRENGTH125000 POUNDS PER SQUARE INCH
THREAD LENGTH0.531 INCHES MINIMUM
THREAD QUANTITY PER INCH24
THREAD SERIES DESIGNATORUNF
WIDTH ACROSS FLATS0.219 INCHES NOMINAL
THREAD CLASS3A
THREAD DIRECTIONRIGHT-HAND


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