3040-00-123-7856

Find complete technical information, availability, and procurement data for: 3040-00-123-7856
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Federal Supply Group

Mechanical Power Transmission Equipment

Federal Supply Classification

3040 Miscellaneous Power Transmission Equipment

National Stock Number

3040-00-123-7856

Item Name Code

22914

Assigment Date

11/04/1968 (57 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.

plain second end style, 1.0010 inches nominal first end groove diameter, 0.1250 inches nominal first end groove width, not identical end similarity, woodruff keyway and circular grooved 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: woodruff keyway and circular grooved
First End Groove Width: 0.1250 inches nominal
First End Groove Diameter: 1.0010 inches nominal
End Similarity: not identical
Second End Style: plain
Overall Length: 25.625 inches nominal
First End Distance From End To Groove: 1.125 inches nominal
First End Keyway Width: 0.2500 inches nominal
First End External Keyway Length: unable to decode
First End Distance From Keyway Center To End: 0.531 inches nominal
First End Diameter: 1.1880 inches nominal
Second End Diameter: 0.7480 inches nominal
Step Quantity: 7
Largest Step Diameter: 1.188 inches nominal
Material: steel

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
LB64045	Shouldered Shaft

FAQs

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

What is the FSCG of the NSN 3040-00-123-7856?

The FSCG of the NSN 3040-00-123-7856 is 3040

Does the NSN 3040-00-123-7856 have a Schedule B code assigned?

Yes, the Schedule B code is 8483105000

Does NSN 3040-00-123-7856 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 3040-00-123-7856 contain precious materials?

Item does not contain precious metal.

Does NSN 3040-00-123-7856 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 3040-00-123-7856 was assigned to the Federal Catalog?

It was assigned 57 years ago, on Mon, Nov 4, 1968