3040-00-588-0939

Find complete technical information, availability, and procurement data for: 3040-00-588-0939
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Federal Supply Group

Mechanical Power Transmission Equipment

Federal Supply Classification

3040 Miscellaneous Power Transmission Equipment

National Stock Number

3040-00-588-0939

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.

internal threaded second end style, not identical end similarity, plain first end style, 0.2500 inches nominal first end diameter, 3.0148 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: plain
End Similarity: not identical
Second End Style: internal threaded
Overall Length: 3.0148 inches nominal
First End Diameter: 0.2500 inches nominal
Second End Diameter: 0.3535 inches nominal
Second End Internal Thread Length: 0.4375 inches nominal
Step Quantity: 4
Largest Step Diameter: 0.3740 inches nominal
Special Features: 0.0525 in. back from first end there is a flat cut at 60.0 deg to 0.220 in. dia; largest step has flat cut at 60.0 deg to 0.344 in. dia; hole 0.086 in. dia; second end internal threaded hole 0.203 in. dia; 10-32unf-2b thd; finish is e211 per mil-f-14072 and phosphated per spec k-f-1103; portions of shaft heat treated to rockwell c 45-57
Material: steel
Fsc Application Data: teletype and facsimile equipment

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
57142	Shouldered Shaft
SM-C-314738	Shouldered Shaft

FAQs

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

What is the FSCG of the NSN 3040-00-588-0939?

The FSCG of the NSN 3040-00-588-0939 is 3040

Does the NSN 3040-00-588-0939 have a Schedule B code assigned?

Yes, the Schedule B code is 8483105000

Does NSN 3040-00-588-0939 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 3040-00-588-0939 contain precious materials?

Item does not contain precious metal.

Does NSN 3040-00-588-0939 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 3040-00-588-0939 was assigned to the Federal Catalog?

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