National Item Identification Number
01-026-9331
010269331
3040-01-026-9331
3040010269331
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)
19204
Reference Numbers (Part Numbers)
8437275
Required Categories
SURFACE FINISH
FIRST END STYLE
FIRST END DIAMETER
END SIMILARITY
SECOND END
Required Description
125.0 MICROINCHES
1 PLAIN
1.3740 INCHES MINIMUM AND
1.3750 INCHES MAXIMUM
NO