National Item Identification Number
01-449-2726
014492726
3040-01-449-2726
3040014492726
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)
78062
78062
78062
78062
Reference Numbers (Part Numbers)
21353
21353-1000
21353-1000-1
21353-4
Required Categories
MATERIAL
MATERIAL DOCUMENT AND CLASSIFICATION
Required Description
STEEL COMP 416
ASTM A582 ASSN STD SINGLE MATERIAL RESPONSE