3040-00-139-7662

Find complete technical information, availability, and procurement data for: 3040-00-139-7662
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Federal Supply Group

Mechanical Power Transmission Equipment

Federal Supply Classification

3040 Miscellaneous Power Transmission Equipment

National Stock Number

3040-00-139-7662

Item Name Code

22914

Assigment Date

08/18/1971 (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.

4.270 inches nominal overall length, internal threaded first end style, splined (involute) second end style, not identical end similarity, 0.3700 inches nominal 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: internal threaded
End Similarity: not identical
Second End Style: splined (involute)
Overall Length: 4.270 inches nominal
First End Diameter: 0.3700 inches nominal
First End Internal Thread Length: 0.410 inches nominal
Second End Diameter: 0.3900 inches nominal
Second End Spline Length: 2.230 inches nominal
Second End Spline Minor Diameter: 0.3500 inches nominal
Second End Spline Major Diameter: 0.3900 inches nominal
Second End Pressure Angle: 30.0 degrees nominal
Second End Pitch Diameter: 0.3700 inches nominal
Step Quantity: 4
Second End Spline Quantity: 12
Largest Step Diameter: 3.310 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
SP28674	Shouldered Shaft

FAQs

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

What is the FSCG of the NSN 3040-00-139-7662?

The FSCG of the NSN 3040-00-139-7662 is 3040

Does the NSN 3040-00-139-7662 have a Schedule B code assigned?

Yes, the Schedule B code is 8483105000

Does NSN 3040-00-139-7662 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 3040-00-139-7662 contain precious materials?

Item does not contain precious metal.

Does NSN 3040-00-139-7662 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 3040-00-139-7662 was assigned to the Federal Catalog?

It was assigned 54 years ago, on Wed, Aug 18, 1971