National Item Identification Number

01-249-3384
012493384
3040-01-249-3384
3040012493384

National Stock Number

Item Name

SHAFT,SHOULDERED

Federal Supply Class

3040

Referenced on: http://www.tpub.com/content/automotiveenginemechanics/TM-9-2520-238-34P/css/TM-9-2520-238-34P_21.htm
Referenced on: http://www.tpub.com/content/automotiveenginemechanics/TM-9-2520-238-34P/css/TM-9-2520-238-34P_70.htm

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)

---

---

19207

---

---

80212

---

---

NSN (National Stock Number) 3040-01-249-3384, 3040012493384 NIIN (National Identification Number) 01-249-3384, 012493384

Part Numbers (Reference Numbers)

12349734
12349734

Required Categories

MATERIAL
MATERIAL DOCUMENT AND CLASSIFICATION
SURFACE FINISH
FIRST END STYLE;

Required Description

STEEL COMP 4620H OR
STEEL COMP 8620H
ASTM A304 ASSN STD ALL MATERIAL RESPONSES