Model: 4000721
Shouldered ShaftProperties:
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.
Part 4000721 NSN 3040-00-419-8242
Material Classification
Hazardous material, precious metals, criticality, enviroment, and electrostatic discharge indicatorsPricing & Availability Check
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Schedule B and Export
- Schedule B: 8483105000
- SITC: 74810
- End Use: Industrial machines, other
- NAICS: 333613
- USDA: 1
Freight Class: Transmission shafts and cranks, except camshafts and crankshafts
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