3020-00-474-3747 GEAR,SPUR Index 2590-00-474-3754 CAP,FILLER OPENING

National Stock Number:
5305-00-474-3751

Federal Supply Class:
5305

National Item Identification Number:
004743751

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:
164511599TRIUMPH ENGINE CONTROL SYSTEMS LLC


Techincal Specification:
THREAD SERIES DESIGNATORUNC
NOMINAL THREAD DIAMETER0.250 INCHES
THREAD QUANTITY PER INCH20
THREAD CLASS3A
THREAD DIRECTIONRIGHT-HAND
THREAD LENGTH0.400 INCHES MINIMUM AND
0.630 INCHES MAXIMUM
FASTENER LENGTH0.620 INCHES MINIMUM AND
0.630 INCHES MAXIMUM
MATERIALSTEEL OVERALL
SURFACE TREATMENTCADMIUM OVERALL
HARDNESS RATING26.0 ROCKWELL C MINIMUM AND
32.0 ROCKWELL C MAXIMUM OVERALL
HEAD STYLEFILLISTER
HEAD DIAMETER0.400 INCHES NOMINAL
HEAD HEIGHT0.150 INCHES NOMINAL
INTERNAL DRIVE STYLESLOT
HOLE CONFIGURATION STYLEROUND
HOLE TYPEDRILLED
HOLE QUANTITY2
HOLE DIAMETER0.064 INCHES NOMINAL
POINT STYLEFLAT
POINT LENGTH0.220 INCHES NOMINAL
POINT DIAMETER0.170 INCHES MINIMUM AND
0.176 INCHES MAXIMUM
POINT CHAMFER ANGLE45.0 DEGREES NOMINAL
THE MANUFACTURERS DATA
MANUFACTURERS CODE11599
DESIGN CONTROL REFERENCE1645


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