National Item Identification Number
01-281-4421
012814421
3040-01-281-4421
3040012814421
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)
82796
82796
Reference Numbers (Part Numbers)
T013420 PC28
T443836
Required Categories
MATERIAL
LARGEST STEP DIAMETER
OVERALL LENGTH
III END ITEM IDENTIFICATION
Required Description
STEEL
0.812 INCHES NOMINAL
3.150 INCHES NOMINAL
PC4.2 DIESEL ENGINE