National Item Identification Number

00-222-0316
002220316
3040-00-222-0316
3040002220316

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)

---

Reference Numbers (Part Numbers)

1779062

Required Categories

MATERIAL
SURFACE FINISH
FIRST END STYLE
FIRST END DIAMETER
END SIMILARITY
S

Required Description

STEEL COMP 4140
16.0 MICROINCHES
1 PLAIN
0.3750 INCHES NOMINAL
NOT IDENTICAL