5305-00-639-4325 SETSCREW Index 5305-00-639-4328 SETSCREW

National Stock Number:
5305-00-639-4326

Federal Supply Class:
5305

National Item Identification Number:
006394326

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:
320309855380HATCH & KIRK, INC.
320309872915GENERAL MOTORS CORP ELECTRO-MOTIVE DIV
FFS21081348FEDERAL SPECIFICATIONS PROMULGATED BY GENERAL SERVICES ADMINISTRATION WASHINGTON DC


Techincal Specification:
FASTENER LENGTH0.468 INCHES MINIMUM AND 0.500 INCHES MAXIMUM
FEATURES PROVIDEDCASEHARDENED
HARDNESS RATING30.0 ROCKWELL C MINIMUM AND 37.0 ROCKWELL C MAXIMUM OVERALL
HEAD HEIGHT0.178 INCHES MINIMUM AND 0.196 INCHES MAXIMUM
HEAD STYLESQUARE
INTERNAL DRIVE STYLEW/O INTERNAL DRIVE
MATERIAL DOCUMENT AND CLASSIFICATION66 FED STD ALL MATERIAL RESPONSES OVERALL
MATERIALSTEEL COMP 1010 OR STEEL COMP 1011 OR STEEL COMP 1013 OR STEEL COMP 1015 OR STEEL COMP 1016 OR STEEL COMP 1017 OR STEEL COMP 1018 OR STEEL COMP 1019 OR STEEL COMP 1020 OR STEEL COMP 1022 OR STEEL COMP 1137 OVERALL
NOMINAL THREAD DIAMETER0.250 INCHES
NONDEFINITIVE SPEC/STD DATA1 TYPE AND 3 STYLE
POINT STYLEOVAL
WIDTH BETWEEN FLATS0.241 INCHES MINIMUM AND 0.250 INCHES MAXIMUM
THREAD CLASS3A
THREAD DIRECTIONRIGHT-HAND
THREAD LENGTH0.500 INCHES MAXIMUM
THREAD QUANTITY PER INCH20
THREAD SERIES DESIGNATORUNC


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