4470-01-457-5888 FIBEROPTIC REC-TRAN Index 2640-01-457-5890 VALVE EXTENSION,TIRE

National Stock Number:
5305-01-457-5889

Federal Supply Class:
5305

National Item Identification Number:
014575889

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:
724464253711NAVAL SEA SYSTEMS COMMAND


Techincal Specification:
FASTENER LENGTH1.000 INCHES NOMINAL
HEAD STYLEHEADLESS (SETSCREW)
INTERNAL DRIVE STYLEHEXAGON
MATERIALSTEEL CORROSION RESISTING OVERALL
NOMINAL THREAD DIAMETER0.250 INCHES
POINT DIAMETER0.125 INCHES NOMINAL
POINT STYLEFLAT
SPECIAL FEATURESSELF-LOCKING
WIDTH ACROSS FLATS0.125 INCHES MINIMUM AND 0.127 INCHES MAXIMUM
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONASTMA380-88 ASSN STD SINGLE TREATMENT RESPONSE OVERALL
SURFACE TREATMENTPASSIVATE OVERALL
THREAD CLASS3A
THREAD DIRECTIONRIGHT-HAND
THREAD LENGTH1.000 INCHES NOMINAL
THREAD QUANTITY PER INCH20
THREAD SERIES DESIGNATORUNC


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