National Item Identification Number
01-389-4204
013894204
3040-01-389-4204
3040013894204
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)
53711
53711
53711
53711
Reference Numbers (Part Numbers)
SK-F-8530
SK-F-8530 PIECE 8
SK-F-8530-8
803-6397416 PIECE 13
Required Categories
MATERIAL
FIRST END STYLE
FIRST END DISTANCE FROM END TO FLAT
FIRST END DIAMET
Required Description
STEEL CORROSION RESISTING
14 FLAT GROOVED
0.2812 INCHES NOMINAL
0.7475 INCHES