5305-01-572-4225 SCREW,MACHINE Index 5305-01-572-4251 SCREW,CAP,SOCKET HEAD

National Stock Number:
5305-01-572-4238

Federal Supply Class:
5305

National Item Identification Number:
015724238

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:
3392AS737-1130003NAVAL AIR SYSTEMS COMMAND MANAGED ORIGINAL DESIGN ACTIVITY NOT MATERIAL/PARTS SUPPLIER


Techincal Specification:
COLORBLACK OVERALL
FASTENER LENGTH0.750 INCHES NOMINAL
HEAD HEIGHT0.127 INCHES NOMINAL
HEAD DIAMETER0.428 INCHES NOMINAL
HEAD STYLEBUTTON
INTERNAL DRIVE STYLEHEXAGON
MATERIALSTEEL COMP 303 OVERALL OR STEEL COMP 304 OVERALL OR STEEL COMP 316 OVERALL
PART NAME ASSIGNED BY CONTROLLING AGENCYBUTTON HEAD SCREW
PROPRIETARY CHARACTERISTICSPACS
NOMINAL THREAD DIAMETER0.250 INCHES
WIDTH ACROSS FLATS0.156 INCHES NOMINAL
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONMIL-C-13924,CL 4 MIL SPEC SINGLE TREATMENT RESPONSE OVERALL
SURFACE TREATMENTOXIDE IRON OVERALL
THREAD CLASS2A
THREAD DIRECTIONRIGHT-HAND
THREAD LENGTH0.700 INCHES NOMINAL
THREAD QUANTITY PER INCH28
THREAD SERIES DESIGNATORUNF


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