National Item Identification Number
01-123-2188
011232188
3040-01-123-2188
3040011232188
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)
56848
UNITED STATES DEPARTMENT OF TREASURY
MINT PROCUREMENT DIV
5TH AND ARCH ST
PHILADELPHIA
PA
19106
56848
UNITED STATES DEPARTMENT OF TREASURY
MINT PROCUREMENT DIV
5TH AND ARCH ST
PHILADELPHIA
PA
19106
Reference Numbers (Part Numbers)
M405 AND M406
M406 AND M405
Required Categories
MATERIAL
SURFACE FINISH
FIRST END STYLE
FIRST END KEYWAY WIDTH
FIRST END EXT
Required Description
STEEL COMP 304
125.0 MICROINCHES
3 FLAT KEYWAY
0.5000 INCHES NOMINAL
4.000 I