4820-01-088-4425 VALVE,CHECK Index 5325-01-088-4427 INSERT,SCREW THREAD

National Stock Number:
5305-01-088-4426

Federal Supply Class:
5305

National Item Identification Number:
010884426

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:
515586419204ARMY, UNITED STATES DEPARTMENT OF THE


Techincal Specification:
FASTENER LENGTH0.562 INCHES NOMINAL
HEAD HEIGHT0.156 INCHES NOMINAL
HEAD STYLESQUARE
INTERNAL DRIVE STYLEW/O INTERNAL DRIVE
MATERIALSTEEL OVERALL
NOMINAL THREAD DIAMETER0.312 INCHES
POINT STYLECUP
THREAD CLASS3A
THREAD DIRECTIONRIGHT-HAND
THREAD QUANTITY PER INCH18
THREAD SERIES DESIGNATORUNIFIED NATIONAL COARSE (UNC)
WIDTH BETWEEN FLATS0.312 INCHES NOMINAL


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