5305-01-438-6316 SCREW,EXTERNALLY RELIEVED BODY Index 5305-01-438-6318 SCREW,MACHINE

National Stock Number:
5305-01-438-6317

Federal Supply Class:
5305

National Item Identification Number:
014386317

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:
21104914253711NAVAL SEA SYSTEMS COMMAND
752-6406822-11153711NAVAL SEA SYSTEMS COMMAND


Techincal Specification:
THREAD SERIES DESIGNATORUNRC
NOMINAL THREAD DIAMETER0.500 INCHES
THREAD QUANTITY PER INCH13
THREAD CLASS3A
THREAD DIRECTIONRIGHT-HAND
THREAD LENGTH1.250 INCHES NOMINAL
FASTENER LENGTH1.250 INCHES NOMINAL
MATERIALSTEEL OVERALL
MATERIAL DOCUMENT AND CLASSIFICATIONMIL-S-1222 TII GR574 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
HEAD STYLEFLAT FILLISTER
HEAD DIAMETER0.750 INCHES MAXIMUM
HEAD HEIGHT0.492 INCHES MINIMUM AND
0.500 INCHES MAXIMUM
INTERNAL DRIVE STYLEHEXAGON
WIDTH ACROSS FLATS0.375 INCHES NOMINAL
LOCKING FEATUREPATCH OR
PELLET OR
STRIP THREADS


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