5305-00-070-8776 SCREW,MACHINE Index 5310-00-070-8780 NUT,SELF-LOCKING,EXTENDED WASHER

National Stock Number:
5305-00-070-8777

Federal Supply Class:
5305

National Item Identification Number:
000708777

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:
691C749P5224446GENERAL ELECTRIC COMPANY
691C749P5289954BAE SYSTEMS CONTROLS INC.


Techincal Specification:
THREAD SERIES DESIGNATORUNF
NOMINAL THREAD DIAMETER0.250 INCHES
THREAD QUANTITY PER INCH28
THREAD CLASS3A
THREAD DIRECTIONRIGHT-HAND
THREAD LENGTH0.312 INCHES MAXIMUM
FASTENER LENGTH0.312 INCHES NOMINAL
MATERIALSTEEL OVERALL
SURFACE TREATMENTCADMIUM AND
CHROMATE OVERALL
HARDNESS RATING45.0 ROCKWELL C MINIMUM AND
53.0 ROCKWELL C MAXIMUM OVERALL
HEAD STYLEHEADLESS (SETSCREW)
INTERNAL DRIVE STYLEHEXAGON
WIDTH ACROSS FLATS0.126 INCHES NOMINAL
POINT STYLECONE


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