National Item Identification Number
00-003-0512
000030512
3040-00-003-0512
3040000030512
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)
26512
61174
Reference Numbers (Part Numbers)
A51M20603-13
A51M20603-13
Required Categories
MATERIAL
FIRST END STYLE
FIRST END DIAMETER
FIRST END SPLINE LENGTH
FIRST EN
Required Description
STEEL
18 SPLINED
0.3745 INCHES NOMINAL
0.8500 INCHES NOMINAL
0.2813 INCHES M
