NSN 3040-00-621-1298

Part Details | SHOULDERED SHAFT

3040-00-621-1298 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: 3639011, 363901-1, 3040-00-621-1298, 00-621-1298, 3040006211298, 006211298

Supply Group (FSG) NSN Assigned NIIN Item Name Code (INC)
30JAN 01, 196300-621-129822914 ( SHAFT, SHOULDERED )
REFERENCE DRAWINGS & PICTURES

FLAT KEYWAY

TONGUE

FLAT KEYWAY

TONGUE

Cross Reference | NSN 3040-00-621-1298
Part Number Cage Code Manufacturer
363901-198897LOCKHEED MARTIN CORPORATIONDBA LOCKHEED MARTIN AERONAUTICS
Technical Data | NSN 3040-00-621-1298
Characteristic Specifications
FIRST END STYLE7 FLAT KEYWAY
MATERIAL STEEL COMP 8630
FIRST END GROOVE WIDTH0.2700 INCHES NOMINAL
FIRST END GROOVE DIAMETER0.6100 INCHES NOMINAL
FIRST END DISTANCE FROM END TO GROOVE0.450 INCHES NOMINAL
FIRST END DIAMETER0.7050 INCHES NOMINAL
FIRST END SPLINE LENGTH0.315 INCHES NOMINAL
FIRST END SPLINE MINOR DIAMETER0.4850 INCHES NOMINAL
FIRST END SPLINE MAJOR DIAMETER0.7200 INCHES NOMINAL
END SIMILARITY NOT IDENTICAL
SECOND END STYLE3 TONGUE
SECOND END GROOVE DIAMETER0.2500 INCHES NOMINAL
SECOND END DIAMETER0.7506 INCHES NOMINAL
SECOND END SPLINE MINOR DIAMETER0.4950 INCHES NOMINAL
SECOND END SPLINE MAJOR DIAMETER0.6254 INCHES NOMINAL
LARGEST STEP DIAMETER0.749 INCHES NOMINAL
OVERALL LENGTH10.440 INCHES NOMINAL
STEP QUANTITY7