4920-00-330-5544 STAND,MAINTENANCE,AIRCRAFT ENGIN Index 3040-00-330-5558 COLLAR,SHAFT

National Stock Number:
5305-00-330-5557

Federal Supply Class:
5305

National Item Identification Number:
003305557

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:
820022719200US ARMY ARDEC RDECOM


Techincal Specification:
FASTENER LENGTH0.268 INCHES NOMINAL
HEAD DIAMETER0.218 INCHES NOMINAL
HEAD HEIGHT0.125 INCHES NOMINAL
HEAD STYLEFLAT CHAMFER
INTERNAL DRIVE STYLECROSS RECESS TYPE 1
MATERIAL DOCUMENT AND CLASSIFICATIONQQ-S-763 FED SPEC SINGLE MATERIAL RESPONSE OVERALL
MATERIALSTEEL COMP 416 OVERALL
NOMINAL THREAD DIAMETER0.138 INCHES
POINT DIAMETER0.093 INCHES NOMINAL
POINT LENGTH0.107 INCHES NOMINAL
POINT STYLEDOG
THREAD LENGTH0.161 INCHES MINIMUM
THREAD CLASS2A
THREAD DIRECTIONRIGHT-HAND
THREAD SERIES DESIGNATORUNIFIED NATIONAL COARSE (UNC)
THREAD QUANTITY PER INCH32


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