National Item Identification Number
01-142-7912
011427912
3040-01-142-7912
3040011427912
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)
76301
76301
Reference Numbers (Part Numbers)
72D015033
72D015033-2057
Required Categories
MATERIAL
MATERIAL DOCUMENT AND CLASSIFICATION
FIRST END STYLE
FIRST END DIAME
Required Description
STEEL COMP 303SE
QQ-S-764,COND A FED SPEC SINGLE MATERIAL RESPONSE
12 EXTERNAL
