3040-00-392-7858

Find complete technical information, availability, and procurement data for: 3040-00-392-7858
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Federal Supply Group

Mechanical Power Transmission Equipment

Federal Supply Classification

3040 Miscellaneous Power Transmission Equipment

National Stock Number

3040-00-392-7858

Item Name Code

22109

Assigment Date

01/01/1963 (63 years ago)

A straight shaft having two or more of the following conditions: a specified surface finish designation in the range of 1 to 125 microinches (o.o25 to 3.2 micrometers), arithmetical average (aa), machined peripheral flat(s), circular groove (s), keyway(s), splines, threads, or holes. It is not designed for use in aligning by fitting into corresponding holes of another item. It may be drilled for lubricating holes. For items having an integral gear(s) or worm(s), see gearshaft (as modified). For items designed to support rotating members see axle(1), straight. For items not having the above conditions see pin, straight, headless. For items having machined ends which constitute steps see shaft(1), shouldered; axle(1), shouldered; and bolt, fluid passage.

flat grooved first end style, not identical end similarity, three circular grooves second end style, 0.2100 inches nominal second end groove diameter, 0.0310 inches nominal second end groove width

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: flat grooved
End Similarity: not identical
Second End Style: three circular grooves
Second End Groove Width: 0.0310 inches nominal
Second End Groove Diameter: 0.2100 inches nominal
Overall Length: 1.906 inches nominal
First End Distance From End To Flat: 0.3373 inches nominal
First End Diameter: 0.2495 inches nominal
First End Grooved Flat Length: 0.3125 inches nominal
First End Grooved Flat Depth: 0.0295 inches nominal
Second End Distance From End To Groove: 0.0625 inches nominal
Second End Diameter: 0.2495 inches nominal
Second End Distance Between First And Second Groove Centers: 0.1000 inches nominal
Second End Distance Between Second And Third Groove Centers: 0.1000 inches nominal
Surface Finish: 32.0 microinches
Material: steel comp 1018
Material Document And Classification: aisi c1018 assn std 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
52835	Straight Shaft
SM-B-157368	Straight Shaft

FAQs

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

What is the FSCG of the NSN 3040-00-392-7858?

The FSCG of the NSN 3040-00-392-7858 is 3040

Does the NSN 3040-00-392-7858 have a Schedule B code assigned?

Yes, the Schedule B code is 8483105000

Does NSN 3040-00-392-7858 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 3040-00-392-7858 contain precious materials?

Item does not contain precious metal.

Does NSN 3040-00-392-7858 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 3040-00-392-7858 was assigned to the Federal Catalog?

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