National Item Identification Number
01-020-5030
010205030
3040-01-020-5030
3040010205030
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)
86329
Reference Numbers (Part Numbers)
35-79501-1097-2
Required Categories
FIRST END DIAMETER
END SIMILARITY
SECOND END SPLINE LENGTH
SECOND END SPLINE
Required Description
0.3740 INCHES MINIMUM AND
0.3745 INCHES MAXIMUM
NOT IDENTICAL
0.130 INCHES NO