National Item Identification Number
01-312-1916
013121916
3040-01-312-1916
3040013121916
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)
44114
B A E SYSTEMS LAND & ARMAMENTS L P
ARMAMENT SYSTEMS DIV
4800 E RIVER RD
MINNEAPOLIS
MN
55421
763-572-5347
98752
Reference Numbers (Part Numbers)
31W-0171
9282831-01
Required Categories
MATERIAL
MATERIAL DOCUMENT AND CLASSIFICATION
SURFACE FINISH
FIRST END STYLE;
Required Description
STEEL COMP 4130
AISI 4130 ASSN STD SINGLE MATERIAL RESPONSE
16.0 MICROINCHES;