5305-00-263-8403 SCREW,CLOSE TOLERANCE Index 5305-00-263-8411 SCREW,MACHINE

National Stock Number:
5305-00-263-8405

Federal Supply Class:
5305

National Item Identification Number:
002638405

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:
FFS103TYPE3STYLE581348FEDERAL SPECIFICATIONS PROMULGATED BY GENERAL SERVICES ADMINISTRATION WASHINGTON DC


Techincal Specification:
FASTENER LENGTH0.625 INCHES NOMINAL
HARDNESS RATING45.0 ROCKWELL C MINIMUM AND 53.0 ROCKWELL C MAXIMUM OVERALL
HEAD STYLEHEADLESS (SETSCREW)
INTERNAL DRIVE STYLEHEXAGON
MATERIAL DOCUMENT AND CLASSIFICATION66 FED STD ALL MATERIAL RESPONSES OVERALL
MATERIALSTEEL COMP 4037 OR STEEL COMP 4137 OR STEEL COMP 4140 OR STEEL COMP 8630 OR STEEL COMP 8740 OVERALL
NOMINAL THREAD DIAMETER0.500 INCHES
NONDEFINITIVE SPEC/STD DATA1 TYPE AND 5 STYLE
POINT STYLEFULL DOG
THREAD CLASS2A
THREAD DIRECTIONRIGHT-HAND
THREAD LENGTH0.625 INCHES MAXIMUM
THREAD SERIES DESIGNATORUNIFIED NATIONAL COARSE (UNC)
THREAD QUANTITY PER INCH13
WIDTH ACROSS FLATS0.250 INCHES NOMINAL


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