2840-00-798-7949 LINER Index 2840-00-798-7957 SET,BACKUP RING

National Stock Number:
5305-00-798-7953

Federal Supply Class:
5305

National Item Identification Number:
007987953

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:
705B411P407482GENERAL ELECTRIC COMPANY
705B411P424446GENERAL ELECTRIC COMPANY
705B411P456878SPS TECHNOLOGIES, LLC


Techincal Specification:
THREAD SERIES DESIGNATORUNF
NOMINAL THREAD DIAMETER0.438 INCHES
THREAD QUANTITY PER INCH20
THREAD CLASS3A
THREAD DIRECTIONRIGHT-HAND
THREAD LENGTH0.250 INCHES MINIMUM AND
0.310 INCHES MAXIMUM
FASTENER LENGTH0.730 INCHES MINIMUM AND
0.740 INCHES MAXIMUM
MATERIALSTEEL OVERALL
SURFACE TREATMENTSILVER OVERALL
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONAMS 2410 ASSN STD SINGLE TREATMENT RESPONSE OVERALL
HEAD STYLEHEXAGON
HEAD HEIGHT0.180 INCHES MINIMUM AND
0.200 INCHES MAXIMUM
WIDTH BETWEEN FLATS0.600 INCHES MINIMUM AND
0.620 INCHES MAXIMUM
INTERNAL DRIVE STYLEW/O INTERNAL DRIVE
HOLE CONFIGURATION STYLEHEXAGON LONGITUDINAL HOLE
HOLE TYPEDRILLED
HOLE QUANTITY1
HOLE DIAMETER0.070 INCHES NOMINAL
POINT STYLEFLAT
POINT LENGTH0.330 INCHES MINIMUM AND
0.360 INCHES MAXIMUM
POINT DIAMETER0.354 INCHES MINIMUM AND
0.364 INCHES MAXIMUM
POINT CHAMFER ANGLE45.0 DEGREES NOMINAL
PRECIOUS MATERIALSILVER
THE MANUFACTURERS DATA
MANUFACTURERS CODE07482
DESIGN CONTROL REFERENCE705B411P4


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