National Item Identification Number
01-313-1659
013131659
3040-01-313-1659
3040013131659
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)
Reference Numbers (Part Numbers)
2910314
Required Categories
FIRST END STYLE
FIRST END KEYWAY WIDTH
FIRST END KEYWAY DEPTH
FIRST END DIAME
Required Description
3 FLAT KEYWAY
0.1300 INCHES NOMINAL
0.0781 INCHES NOMINAL
0.3935 INCHES NOMIN