3040-00-399-6718

Find complete technical information, availability, and procurement data for: 3040-00-399-6718
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Federal Supply Group

Mechanical Power Transmission Equipment

Federal Supply Classification

3040 Miscellaneous Power Transmission Equipment

National Stock Number

3040-00-399-6718

Item Name Code

22914

Assigment Date

01/01/1963 (63 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.

external threaded first end style, not identical end similarity, unthreaded cross drilled second end style, 4.750 inches nominal overall length, 0.2850 inches minimum and 0.2900 inches maximum first end diameter

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: unthreaded cross drilled
Overall Length: 4.750 inches nominal
First End Diameter: 0.2850 inches minimum and 0.2900 inches maximum
First End External Thread Length: 0.781 inches nominal
Second End Diameter: 0.5898 inches minimum and 0.5900 inches maximum
Second End Hole Diameter: 0.1250 inches nominal
Step Quantity: 2
Largest Step Diameter: 0.5898 inches minimum and 0.5900 inches maximum
Surface Finish: 250.0 microinches
Special Features: 1 cross drilled hole located near second end,0.187 in. dia
Material: steel
Material Document And Classification: spec,qq-s-633,comp 1015-1025 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
1005003996718	Shouldered Shaft
8396608	Shouldered Shaft

FAQs

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

What is the FSCG of the NSN 3040-00-399-6718?

The FSCG of the NSN 3040-00-399-6718 is 3040

Does the NSN 3040-00-399-6718 have a Schedule B code assigned?

Yes, the Schedule B code is 8483105000

Does NSN 3040-00-399-6718 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 3040-00-399-6718 contain precious materials?

Item does not contain precious metal.

Does NSN 3040-00-399-6718 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 3040-00-399-6718 was assigned to the Federal Catalog?

It was assigned 63 years ago, on Tue, Jan 1, 1963