National Item Identification Number
01-203-4803
012034803
3040-01-203-4803
3040012034803
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)
43689
43689
43689
43689
43689
Reference Numbers (Part Numbers)
4457023 PIECE 138
501-4457023
501-4457023 PIECE 138
6503-86
6503-86 PIECE 13
Required Categories
MATERIAL
MATERIAL DOCUMENT AND CLASSIFICATION
Required Description
STEEL
MIL-S-1222F TYPE 1,GRADE B7 MIL SPEC SINGLE MATERIAL RESPONSE