3040-00-007-4440

Find complete technical information, availability, and procurement data for: 3040-00-007-4440
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Federal Supply Group

Mechanical Power Transmission Equipment

Federal Supply Classification

3040 Miscellaneous Power Transmission Equipment

National Stock Number

3040-00-007-4440

Item Name Code

22914

Assigment Date

07/09/1972 (54 years ago)

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.

3.125 inches nominal overall length, 0.4350 inches nominal first end diameter, not identical end similarity, unthreaded cross drilled second end style, plain first end style

Product Characteristics

Below you’ll find the complete technical specifications and performance data for this part, including material details and compliance information.

First End Style: plain
End Similarity: not identical
Second End Style: unthreaded cross drilled
Overall Length: 3.125 inches nominal
First End Diameter: 0.4350 inches nominal
Second End Diameter: 0.2550 inches nominal
Second End Hole Diameter: 0.0930 inches nominal
Second End Distance From Hole Center To End: 0.247 inches nominal
Step Quantity: 2
Largest Step Diameter: 0.434 inches minimum and 0.436 inches maximum
Surface Finish: 125.0 microinches
Material: steel comp 303
Material Document And Classification: mil-s-7720 mil spec single material response
Fsc Application Data: test bench set,specially designed,acft

Related Parts

This NSN group includes multiple components designed to meet specific performance and operational standards. Each listing provides detailed specs, functionality data, and replacement compatibility information:

Part Number	Name
B100156-1	Shouldered Shaft

FAQs

Find helpful answers about installation, operation, maintenance, compliance, and troubleshooting.

What is the FSCG of the NSN 3040-00-007-4440?

The FSCG of the NSN 3040-00-007-4440 is 3040

Does the NSN 3040-00-007-4440 have a Schedule B code assigned?

Yes, the Schedule B code is 8483105000

Does NSN 3040-00-007-4440 require demilitarization?

Items subject to the export administration regulations (ear) in parts 730-774 of title 15, code of federal regulations (cfr) (ccli or ear99) and determined by dod to present a low risk when released out of dod control. No demil, mut, or end use certificate is required. May require an export licensefrom doc.

Does NSN 3040-00-007-4440 contain precious materials?

Precious metal content is unknown

Does NSN 3040-00-007-4440 contain hazardous materials?

Indicates there is no data in the hmirs and the nsn is in a fsc not generally suspected of containing hazardous materials.

When the NSN 3040-00-007-4440 was assigned to the Federal Catalog?

It was assigned 54 years ago, on Sun, Jul 9, 1972