5305-00-282-3392 SETSCREW Index 5305-00-282-3394 SETSCREW

National Stock Number:
5305-00-282-3393

Federal Supply Class:
5305

National Item Identification Number:
002823393

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:
7203630P1303538LOCKHEED MARTIN CORPORATION
7203630P1324446GENERAL ELECTRIC COMPANY
HC922H0806845RAYTHEON COMPANY
HC922H08-083206845RAYTHEON COMPANY
AN565D8H488044AERONAUTICAL STANDARDS GROUP DEPT OF NAVY AND AIR FORCE
EE394-199167HAMILTON SUNDSTRAND CORPORATION
N70P1504C03538LOCKHEED MARTIN CORPORATION
N70P1504C24446GENERAL ELECTRIC COMPANY


Techincal Specification:
FASTENER LENGTH0.250 INCHES NOMINAL
HARDNESS RATING45.0 ROCKWELL C MINIMUM AND 53.0 ROCKWELL C MAXIMUM OVERALL
HEAD STYLEHEADLESS (SETSCREW)
INTERNAL DRIVE STYLEHEXAGON
MATERIALSTEEL OVERALL
NOMINAL THREAD DIAMETER0.164 INCHES
NONDEFINITIVE SPEC/STD DATA3 TYPE AND 4 STYLE
POINT STYLECUP
SURFACE TREATMENTCADMIUM OVERALL
THREAD CLASS3A
THREAD DIRECTIONRIGHT-HAND
THREAD LENGTH0.250 INCHES MINIMUM
THREAD QUANTITY PER INCH32
THREAD SERIES DESIGNATORUNIFIED NATIONAL COARSE (UNC)
WIDTH ACROSS FLATS0.078 INCHES MINIMUM AND 0.079 INCHES MAXIMUM


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