NSN 3040-00-646-9370

Part Details | SHOULDERED SHAFT

3040-00-646-9370 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: 9084500, 3040-00-646-9370, 00-646-9370, 3040006469370, 006469370

Supply Group (FSG) NSN Assigned NIIN Item Name Code (INC)
30JAN 01, 196300-646-937022914 ( SHAFT, SHOULDERED )
REFERENCE DRAWINGS & PICTURES

FLAT KEYWAY

CIRCULAR GROOVED

FLAT KEYWAY

CIRCULAR GROOVED

Cross Reference | NSN 3040-00-646-9370
Part Number Cage Code Manufacturer
908450018876U S ARMY AVIATION AND MISSILECOMMAND
Technical Data | NSN 3040-00-646-9370
Characteristic Specifications
FIRST END STYLE CIRCULAR GROOVED
MATERIAL STEEL COMP 416
SURFACE FINISH32.0 MICROINCHES
FIRST END GROOVE WIDTH0.0295 INCHES NOMINAL
FIRST END GROOVE DIAMETER0.3690 INCHES NOMINAL
FIRST END DISTANCE FROM END TO GROOVE0.125 INCHES NOMINAL
FIRST END DIAMETER0.3935 INCHES NOMINAL
END SIMILARITY NOT IDENTICAL
SECOND END STYLE7 FLAT KEYWAY
SECOND END GROOVE WIDTH0.0415 INCHES NOMINAL
SECOND END GROOVE DIAMETER0.3300 INCHES NOMINAL
SECOND END DISTANCE FROM END TO GROOVE0.205 INCHES NOMINAL
SECOND END DIAMETER0.3695 INCHES NOMINAL
SECOND END SPLINE LENGTH1.500 INCHES NOMINAL
SECOND END SPLINE MINOR DIAMETER0.3150 INCHES NOMINAL
SECOND END SPLINE MAJOR DIAMETER0.3700 INCHES NOMINAL
SECOND END SPLINE QUANTITY11
LARGEST STEP DIAMETER0.490 INCHES NOMINAL
OVERALL LENGTH4.0625 INCHES NOMINAL
STEP QUANTITY3