National Item Identification Number
01-387-7179
013877179
3040-01-387-7179
3040013877179
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)
81205
81205
81205
Reference Numbers (Part Numbers)
DAA2552D173
DAA2552D173-015
DAA25520173-015
Required Categories
MATERIAL
FIRST END STYLE
FIRST END DIAMETER
END SIMILARITY
LARGEST STEP DIAM
Required Description
STEEL CORROSION RESISTING
1 PLAIN
0.3756 INCHES MINIMUM AND
0.3761 INCHES MAX