3040-00-786-3949

Find complete technical information, availability, and procurement data for: 3040-00-786-3949
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Federal Supply Group

Mechanical Power Transmission Equipment

Federal Supply Classification

3040 Miscellaneous Power Transmission Equipment

National Stock Number

3040-00-786-3949

Item Name Code

22914

Assigment Date

01/01/1963 (63 years ago)

A tachometer that is driven through the media of a mechanical connection and includes provisions for fixed mounting.

circular grooved second end style, 0.4690 inches nominal second end groove diameter, not identical end similarity, 0.0620 inches nominal second end groove width, plain 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: plain
End Similarity: not identical
Second End Style: circular grooved
Second End Groove Width: 0.0620 inches nominal
Second End Groove Diameter: 0.4690 inches nominal
Overall Length: 3.375 inches nominal
First End Diameter: 0.4900 inches nominal
Second End Distance From End To Groove: 0.187 inches minimum and 0.189 inches maximum
Second End Diameter: 0.6250 inches nominal
Step Quantity: 3
Largest Step Diameter: 0.625 inches nominal
Special Features: 0.161 in. dia by 1.500 in. dp hole and saw slot 0.067 in. min,0.075 in. max w by 0.312 in. lg seond end,second end chamfered 0.016 in. by 45 deg
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
73639-B	Shouldered Shaft

FAQs

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

What is the FSCG of the NSN 3040-00-786-3949?

The FSCG of the NSN 3040-00-786-3949 is 3040

Does the NSN 3040-00-786-3949 have a Schedule B code assigned?

Yes, the Schedule B code is 8483105000

Does NSN 3040-00-786-3949 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 3040-00-786-3949 contain precious materials?

Item does not contain precious metal.

Does NSN 3040-00-786-3949 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 3040-00-786-3949 was assigned to the Federal Catalog?

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