NSN 3040-00-185-9881

Part Details | SHOULDERED SHAFT

3040-00-185-9881 A shaft having two or more different diameters (greater than 0.031 inches (0.79 millimeter)) along its length. It must have one or more of the following conditions: a specified surface finish designation in the range 1 to 125 microinches (0.025 to 3.2 micrometers) arithmetical average (AA), machined peripheral flat(s), circular groove(s), keyway(s), splines, threads, or holes. The ends and/or shoulders may be machined to accommodate bearings, couplings, and the like. It is not designed for use in aligning by fitting into corresponding holes of another item. For items used to support rotating members see AXLE(1), SHOULDERED. For items not having any of the above conditions see PIN, SHOULDER, HEADLESS. Excludes SHAFT(1), STRAIGHT; and AXLE(1), STRAIGHT.

Alternate Parts: 1N8448, 3040-00-185-9881, 00-185-9881, 3040001859881, 001859881

Supply Group (FSG) NSN Assigned NIIN Item Name Code (INC)
30MAR 09, 197300-185-988122914 ( SHAFT, SHOULDERED )
REFERENCE DRAWINGS & PICTURES

TAPERED WITH FLAT

FLATTED

TAPERED WITH FLAT

FLATTED

Cross Reference | NSN 3040-00-185-9881
Part Number Cage Code Manufacturer
1N844811083CATERPILLAR INC.DBA CATERPILLAR
Technical Data | NSN 3040-00-185-9881
Characteristic Specifications
FIRST END STYLE5 TAPERED WITH FLAT
MATERIAL STEEL
FIRST END DIAMETER0.4930 INCHES NOMINAL
FIRST END HOLE DIAMETER0.1410 INCHES NOMINAL
FIRST END DISTANCE FROM HOLE CENTER TO END0.242 INCHES NOMINAL
FIRST END EXTERNAL THREAD LENGTH0.763 INCHES NOMINAL
FIRST END HOLE DEPTH0.493 INCHES NOMINAL
END SIMILARITY NOT IDENTICAL
SECOND END STYLE1 FLATTED
SECOND END GROOVE WIDTH0.1040 INCHES NOMINAL
SECOND END GROOVE DIAMETER1.2920 INCHES NOMINAL
SECOND END DISTANCE FROM END TO GROOVE0.442 INCHES NOMINAL
SECOND END KEYWAY WIDTH0.1870 INCHES NOMINAL
SECOND END EXTERNAL KEYWAY LENGTH0.546 INCHES NOMINAL
SECOND END KEYWAY DEPTH0.094 INCHES NOMINAL
SECOND END DIAMETER1.3783 INCHES NOMINAL
SECOND END EXTERNAL THREAD LENGTH0.442 INCHES NOMINAL
LARGEST STEP DIAMETER1.685 INCHES MINIMUM AND 1.691 INCHES MAXIMUM
OVERALL LENGTH6.562 INCHES NOMINAL
STEP QUANTITY5
SPECIAL FEATURESADDITIONAL CROSS DRILLED HOLE ON FIRST END,HOLE DIAMETER 0.141 INCH NOMINAL,DISTANCE FROM HOLE CENTER TO END 0.242 INCH NOMINAL,HOLE DEPTH 0.493 INCH NOMINAL,ANGLE BETWEEN HOLES 90 DEGREES