5305-00-914-3255 SETSCREW Index 5305-00-914-3259 SCREW,CAP,SOCKET HEAD

National Stock Number:
5305-00-914-3257

Federal Supply Class:
5305

National Item Identification Number:
009143257

Description:
SETSCREW

Detail:
An externally threaded device whose threaded portion is of one nominal diameter with or without a head and having a cup, cone, or other type of machined point designed to prevent or restrict relative movement of parts and designed to be driven with either a wrench or inserted driver. A locking feature may be incorporated in the design of the head or threads.


Manufacturer Information:
1052801319200US ARMY ARDEC RDECOM


Techincal Specification:
FASTENER LENGTH0.260 INCHES MINIMUM AND 0.265 INCHES MAXIMUM
HARDNESS RATING80.0 ROCKWELL B NOMINAL OVERALL
HEAD DIAMETER0.303 INCHES MINIMUM AND 0.313 INCHES MAXIMUM
HEAD HEIGHT0.185 INCHES MINIMUM AND 0.190 INCHES MAXIMUM
HEAD STYLEFLAT CHAMFER
INTERNAL DRIVE STYLEHEXAGON
MATERIAL DOCUMENT AND CLASSIFICATIONASTM A582 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
MATERIALSTEEL COMP 303 OVERALL
MINIMUM TENSILE STRENGTH30000 POUNDS PER SQUARE INCH
NOMINAL THREAD DIAMETER0.190 INCHES
POINT DIAMETER0.123 INCHES MINIMUM AND 0.125 INCHES MAXIMUM
POINT LENGTH0.130 INCHES NOMINAL
POINT STYLEDOG
THREAD CLASS2A
THREAD DIRECTIONRIGHT-HAND
THREAD LENGTH0.265 INCHES MAXIMUM
THREAD SERIES DESIGNATORUNF
THREAD QUANTITY PER INCH32
WIDTH ACROSS FLATS0.188 INCHES MINIMUM AND 0.190 INCHES MAXIMUM


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