2540070-1

View detailed technical data, stock status, and sourcing information for: 2540070-1
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Federal Supply Group

Mechanical Power Transmission Equipment

Federal Supply Classification

3040 Miscellaneous Power Transmission Equipment

National Stock Number

3040-01-205-0528

Item Name Code

22914

Assigment Date

04/04/1985 (41 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.

not identical end similarity, square (round corners) second end style, internal threaded first end style, 0.360 inches minimum and 0.362 inches maximum second end width across flats, 6.360 inches nominal overall length

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: internal threaded
End Similarity: not identical
Second End Style: square (round corners)
Overall Length: 6.360 inches nominal
Second End Width Across Flats: 0.360 inches minimum and 0.362 inches maximum
First End Diameter: 0.6230 inches minimum and 0.6245 inches maximum
First End Internal Thread Length: 0.800 inches minimum
Second End Diameter: 0.4996 inches minimum and 0.5000 inches maximum
Step Quantity: 5
Largest Step Diameter: 0.927 inches minimum and 0.928 inches maximum
Surface Finish: 8.0 microinches
Second End Step Length: 1.057 inches nominal
Material: steel
Material Document And Classification: mil-s-5000,cond c or e4 mil spec single material response

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
2540070-1	Shouldered Shaft

FAQs

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

What is the FSCG of the NSN 3040-01-205-0528?

The FSCG of the NSN 3040-01-205-0528 is 3040

Does the NSN 3040-01-205-0528 have a Schedule B code assigned?

Yes, the Schedule B code is 8483105000

Does NSN 3040-01-205-0528 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 3040-01-205-0528 contain precious materials?

Item does not contain precious metal.

Does NSN 3040-01-205-0528 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 3040-01-205-0528 was assigned to the Federal Catalog?

It was assigned 41 years ago, on Thu, Apr 4, 1985