NSN 5305-00-474-3751

Part Details | SETSCREW

5305-00-474-3751 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.

Alternate Parts: 1645, 5305-00-474-3751, 00-474-3751, 5305004743751, 004743751

Supply Group (FSG) NSN Assigned NIIN Item Name Code (INC)
53JAN 01, 196300-474-375106672 ( SETSCREW )
REFERENCE DRAWINGS & PICTURES

CROWNED HEXAGON

FLAT

CROSS RECESS TYPE 1

ROUND

Cross Reference | NSN 5305-00-474-3751
Part Number Cage Code Manufacturer
164511599TRIUMPH ENGINE CONTROL SYSTEMS, LLC
Technical Data | NSN 5305-00-474-3751
Characteristic Specifications
THREAD SERIES DESIGNATOR UNC
NOMINAL THREAD DIAMETER0.250 INCHES
THREAD QUANTITY PER INCH20
THREAD CLASS3A
THREAD DIRECTION RIGHT-HAND
THREAD LENGTH0.400 INCHES MINIMUM AND 0.630 INCHES MAXIMUM
FASTENER LENGTH0.620 INCHES MINIMUM AND 0.630 INCHES MAXIMUM
HEAD STYLE4 CROWNED HEXAGON
HEAD DIAMETER0.400 INCHES NOMINAL
HEAD HEIGHT0.150 INCHES NOMINAL
INTERNAL DRIVE STYLE4 CROSS RECESS TYPE 1
HOLE CONFIGURATION STYLE ROUND
HOLE TYPE DRILLED
HOLE QUANTITY2
HOLE DIAMETER0.064 INCHES NOMINAL
POINT STYLE FLAT
POINT LENGTH0.220 INCHES NOMINAL
POINT DIAMETER0.170 INCHES MINIMUM AND 0.176 INCHES MAXIMUM
POINT CHAMFER ANGLE45.0 DEGREES NOMINAL