NSN 3040-00-085-3551

Part Details | SHOULDERED SHAFT

3040-00-085-3551 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: 8519969, 3040-00-085-3551, 00-085-3551, 3040000853551, 000853551

Supply Group (FSG) NSN Assigned NIIN Item Name Code (INC)
30JAN 01, 196300-085-355122914 ( SHAFT, SHOULDERED )
REFERENCE DRAWINGS & PICTURES

FLATTED

CIRCULAR GROOVED

FLATTED

CIRCULAR GROOVED

Cross Reference | NSN 3040-00-085-3551
Part Number Cage Code Manufacturer
851996918876U S ARMY AVIATION AND MISSILECOMMAND
Technical Data | NSN 3040-00-085-3551
Characteristic Specifications
FIRST END STYLE3 FLATTED
MATERIAL STEEL COMP 4140
MATERIAL DOCUMENT AND CLASSIFICATIONQQ-S-624 FED SPEC SINGLE MATERIAL RESPONSE
FIRST END KEYWAY WIDTH0.6355 INCHES NOMINAL
FIRST END EXTERNAL KEYWAY LENGTH0.860 INCHES NOMINAL
FIRST END KEYWAY DEPTH0.090 INCHES NOMINAL
FIRST END DIAMETER0.6855 INCHES NOMINAL
FIRST END EXTERNAL THREAD LENGTH0.548 INCHES NOMINAL
END SIMILARITY NOT IDENTICAL
SECOND END STYLE4 CIRCULAR GROOVED
SECOND END DIAMETER0.5904 INCHES NOMINAL
SECOND END SLOT DEPTH0.094 INCHES NOMINAL
SECOND END SLOT WIDTH0.120 INCHES NOMINAL
SECOND END INTERNAL THREAD LENGTH0.375 INCHES NOMINAL
LARGEST STEP DIAMETER1.000 INCHES NOMINAL
OVERALL LENGTH2.500 INCHES NOMINAL
STEP QUANTITY6
SPECIAL FEATURESFIRST END HAS TWO SAME DIMENSION KEYWAYS