National Item Identification Number
01-444-2427
014442427
3040-01-444-2427
3040014442427
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)
43689
53711
53711
Reference Numbers (Part Numbers)
512-6408999-4
512-6408999-4
6408999
Required Categories
MATERIAL
SURFACE FINISH
FIRST END STYLE
FIRST END WIDTH ACROSS FLATS
FIRST E
Required Description
STEEL
125.0 MICROINCHES
13 SQUARE
0.559 INCHES NOMINAL
1.380 INCHES NOMINAL;