National Item Identification Number
01-391-9966
013919966
3040-01-391-9966
3040013919966
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)
72957
72957
72957
Reference Numbers (Part Numbers)
8D0054
8D0054-1
8W0184 ITEM 27-4
Required Categories
MATERIAL
MATERIAL DOCUMENT AND CLASSIFICATION
FIRST END STYLE
FIRST END KEYWA
Required Description
STEEL
ASTM A108GR1018 ASSN STD SINGLE MATERIAL RESPONSE
97 DUAL KEYWAY
0.065