5305-01-554-1749 SCREW,CAP,HEXAGON HEAD Index 5305-01-553-9656 SCREW,MACHINE

National Stock Number:
5305-01-554-5516

Federal Supply Class:
5305

National Item Identification Number:
015545516

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:
7265740-353711NAVAL SEA SYSTEMS COMMAND


Techincal Specification:
FASTENER LENGTH7.500 INCHES NOMINAL
HEAD DIAMETER0.375 INCHES NOMINAL
HEAD HEIGHT0.250 INCHES NOMINAL
HEAD STYLEFLAT CHAMFER
INTERNAL DRIVE STYLEHEXAGON
MATERIAL DOCUMENT AND CLASSIFICATIONASTM A493 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
MATERIALSTEEL COMP 302 OR STEEL COMP 304 OR STEEL COMP 305 OR STEEL COMP 316 OR STEEL COMP 384 OVERALL
NOMINAL THREAD DIAMETER0.250 INCHES
PART NAME ASSIGNED BY CONTROLLING AGENCYSCREW CAPTIVE - PGA MOUNTING
SPECIAL FEATURESVENDOR ITEM DRAWING
WIDTH ACROSS FLATS0.190 INCHES NOMINAL
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONSAE AMS-QQ-P-35,TYPE II OR VIII NATIONAL STD/SPEC SINGLE TREATMENT RESPONSE OVERALL
SURFACE TREATMENTPASSIVATE OVERALL
THREAD CLASS3A
THREAD DIRECTIONRIGHT-HAND
THREAD LENGTH1.135 INCHES NOMINAL
THREAD SERIES DESIGNATORUNF
THREAD QUANTITY PER INCH28


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