National Item Identification Number
00-557-9704
005579704
3040-00-557-9704
3040005579704
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)
1ML14
D W HERCULES LLC
DBA HERCULES ENGINE COMPONENTS DIV
2770 ERIE ST S
MASSILLON
OH
44646
330-830-2498
1ML14
D W HERCULES LLC
DBA HERCULES ENGINE COMPONENTS DIV
2770 ERIE ST S
MASSILLON
OH
44646
330-830-2498
Reference Numbers (Part Numbers)
256581A
256581A
40-3035101
40-3035102
40-3035103
Required Categories
MATERIAL
FIRST END STYLE
FIRST END DIAMETER
END SIMILARITY
SECOND END STYLE;
Required Description
STEEL
1 PLAIN
0.6326 INCHES NOMINAL
NOT IDENTICAL
1 PLAIN
0.7460 INCHES NOM