National Item Identification Number
00-427-4399
004274399
3040-00-427-4399
3040004274399
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)
25567
Reference Numbers (Part Numbers)
8095
Required Categories
MATERIAL
FIRST END STYLE
FIRST END KEYWAY WIDTH
FIRST END EXTERNAL KEYWAY LEN
Required Description
STEEL COMP 1045
3 FLAT KEYWAY
0.1880 INCHES NOMINAL
1.688 INCHES NOMINAL
0.1