National Item Identification Number
01-397-7938
013977938
3040-01-397-7938
3040013977938
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)
30003
80020
Reference Numbers (Part Numbers)
3223AS724-1
3223AS724-1
3223AS724-1
Required Categories
MATERIAL
OVERALL LENGTH
III END ITEM IDENTIFICATION
THE MANUFACTURERS DATA
M
Required Description
STEEL CORROSION RESISTING
9.700 INCHES NOMINAL
SPECIAL ACFT AND ENGINE TOOL AN