National Item Identification Number
00-302-8226
003028226
3040-00-302-8226
3040003028226
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)
97942
Reference Numbers (Part Numbers)
137C666H01
Required Categories
MATERIAL
FIRST END STYLE
FIRST END KEYWAY WIDTH
FIRST END EXTERNAL KEYWAY LEN
Required Description
STEEL COMP 4340
55 FLAT KEYWAY AND INTERNALLY THREADED
0.3120 INCHES NOMINAL;