National Item Identification Number

01-121-1615
011211615
3040-01-121-1615
3040011211615

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)

---

98752

---

---

Reference Numbers (Part Numbers)

6C50B-1

Required Categories

SPECIAL FEATURES
III END ITEM IDENTIFICATION

Required Description

MHU-174/E
MATERIAL, STEEL BAR
PLAIN 1ST END
DIA, 1.2500 IN NOM
FLATTED 2ND E