National Item Identification Number

01-384-0918
013840918
3040-01-384-0918
3040013840918

National Stock Number

Item Name

SHAFT,SHOULDERED

Federal Supply Class

3040

Description

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.

Commercial and Government Entity Code (Supplier Data)

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19207

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Reference Numbers (Part Numbers)

12389324

Required Categories

MATERIAL
FIRST END STYLE
FIRST END DIAMETER
FIRST END SPLINE LENGTH
FIRST EN

Required Description

STEEL COMP 17-4PH
18 SPLINED
0.4940 INCHES NOMINAL
0.6300 INCHES NOMINAL
0.4