National Item Identification Number
01-075-4977
010754977
3040-01-075-4977
3040010754977
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)
73342
19207
Reference Numbers (Part Numbers)
DAX13071
12268045
Required Categories
MATERIAL
FIRST END STYLE
FIRST END GROOVE WIDTH
FIRST END GROOVE DIAMETER
FI
Required Description
STEEL COMP 4340
37 CIRCULAR GROOVED AND SPLINED
0.5000 INCHES NOMINAL
4.9650