National Item Identification Number
00-001-3985
000013985
3040-00-001-3985
3040000013985
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)
81336
CHIEF OF ENGINEERS
DEPT OF ARMY
NONE
WASHINGTON
DC
20314
81336
CHIEF OF ENGINEERS
DEPT OF ARMY
NONE
WASHINGTON
DC
20314
Reference Numbers (Part Numbers)
8916-1
8916-4-1
Required Categories
FIRST END DISTANCE FROM KEYWAY CENTER TO END
END SIMILARITY
SECOND END DISTANC
Required Description
2.375 INCHES NOMINAL
NOT IDENTICAL
0.875 INCHES NOMINAL
25.000 INCHES NOMINAL
