National Item Identification Number
01-278-2722
012782722
3040-01-278-2722
3040012782722
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)
71871
ALFA LAVAL INC
DBA ALFA-LAVAL SEPARATION
955 MEARNS RD
WARMINSTER
PA
18974
800-937-7689
71871
ALFA LAVAL INC
DBA ALFA-LAVAL SEPARATION
955 MEARNS RD
WARMINSTER
PA
18974
800-937-7689
Reference Numbers (Part Numbers)
525156
525156-02
Required Categories
MATERIAL
SURFACE FINISH
FIRST END STYLE
FIRST END DIAMETER
FIRST END EXTERNA
Required Description
ALUMINUM ALLOY
16.0 MICROINCHES
12 EXTERNAL THREADED
25.0 MILLIMETERS NOMINAL
