3040-00-145-4270

Find complete technical information, availability, and procurement data for: 3040-00-145-4270
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Federal Supply Group

Mechanical Power Transmission Equipment

Federal Supply Classification

3040 Miscellaneous Power Transmission Equipment

National Stock Number

3040-00-145-4270

Item Name Code

22914

Assigment Date

09/01/1971 (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.

0.2500 inches nominal first end diameter, external threaded first end style, 5.531 inches nominal overall length, flat keyways and internally threaded second end style, not identical end similarity

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: external threaded
End Similarity: not identical
Second End Style: flat keyways and internally threaded
Overall Length: 5.531 inches nominal
First End Diameter: 0.2500 inches nominal
First End External Thread Length: 0.250 inches nominal
Second End Keyway Width: 0.0940 inches nominal
Second End External Keyway Length: unable to decode
Second End Keyway Depth: 0.052 inches nominal
Second End Diameter: 0.3750 inches nominal
Second End Internal Thread Length: 0.375 inches nominal
Step Quantity: 7
Largest Step Diameter: 0.875 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
G1275	Shouldered Shaft

FAQs

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

What is the FSCG of the NSN 3040-00-145-4270?

The FSCG of the NSN 3040-00-145-4270 is 3040

Does the NSN 3040-00-145-4270 have a Schedule B code assigned?

Yes, the Schedule B code is 8483105000

Does NSN 3040-00-145-4270 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 3040-00-145-4270 contain precious materials?

Precious metal content is unknown

Does NSN 3040-00-145-4270 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 3040-00-145-4270 was assigned to the Federal Catalog?

It was assigned 54 years ago, on Wed, Sep 1, 1971