National Item Identification Number
00-404-0156
004040156
3040-00-404-0156
3040004040156
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)
99251
Reference Numbers (Part Numbers)
1622489-1
Required Categories
FIRST END DISTANCE FROM END TO GROOVE
END SIMILARITY
SECOND END SLOT DEPTH
SE
Required Description
0.039 INCHES NOMINAL
NOT IDENTICAL
0.030 INCHES NOMINAL
0.020 INCHES NOMINAL;