National Item Identification Number
00-243-4499
002434499
3040-00-243-4499
3040002434499
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)
26512
26512
61174
Reference Numbers (Part Numbers)
1128AMM40508
1128AMM40508-11
1128AMM40508-11
Required Categories
SURFACE FINISH
FIRST END STYLE
FIRST END DIAMETER
FIRST END HOLE DIAMETER
FI
Required Description
125.0 MICROINCHES
25 CROSS DRILLED AND EXTERNALLY THREADED
0.2500 INCHES NOMIN
