3040-01-056-8654

Find complete technical information, availability, and procurement data for: 3040-01-056-8654
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Federal Supply Group

Mechanical Power Transmission Equipment

Federal Supply Classification

3040 Miscellaneous Power Transmission Equipment

National Stock Number

3040-01-056-8654

Item Name Code

22914

Assigment Date

03/02/1978 (48 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.

0.9990 inches nominal first end diameter, external threaded second end style, 5.700 inches nominal overall length, not identical end similarity, splined (straight) 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: splined (straight)
End Similarity: not identical
Second End Style: external threaded
Overall Length: 5.700 inches nominal
First End Diameter: 0.9990 inches nominal
First End Spline Length: 0.6400 inches nominal
First End Spline Minor Diameter: 0.4390 inches nominal
First End Spline Major Diameter: 0.5000 inches nominal
Second End Diameter: 0.7500 inches nominal
Second End External Thread Length: 0.2660 inches nominal
Step Quantity: 3
First End Spline Quantity: 15
Largest Step Diameter: 0.9990 inches nominal
Surface Finish: 125.0 microinches
Material: steel corrosion resisting

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
105D3904	Shouldered Shaft
3040PL0665924	Shouldered Shaft

FAQs

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

What is the FSCG of the NSN 3040-01-056-8654?

The FSCG of the NSN 3040-01-056-8654 is 3040

Does the NSN 3040-01-056-8654 have a Schedule B code assigned?

Yes, the Schedule B code is 8483105000

Does NSN 3040-01-056-8654 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 3040-01-056-8654 contain precious materials?

Item does not contain precious metal.

Does NSN 3040-01-056-8654 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 3040-01-056-8654 was assigned to the Federal Catalog?

It was assigned 48 years ago, on Thu, Mar 2, 1978