3040-00-055-3739

Find complete technical information, availability, and procurement data for: 3040-00-055-3739
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Federal Supply Group

Mechanical Power Transmission Equipment

Federal Supply Classification

3040 Miscellaneous Power Transmission Equipment

National Stock Number

3040-00-055-3739

Item Name Code

22109

Assigment Date

01/01/1961 (65 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.

plain first end style, identical end similarity, 1.740 inches minimum and 1.760 inches maximum overall length, 0.2495 inches minimum and 0.2497 inches maximum first end diameter, 10.0 microinches surface finish

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: identical
Overall Length: 1.740 inches minimum and 1.760 inches maximum
First End Diameter: 0.2495 inches minimum and 0.2497 inches maximum
Surface Finish: 10.0 microinches
Material: steel comp 303

Replaces National Stock Numbers

Below is a list of NSNs that have been officially superseded by this NSN:

NSN	Name	Date
3040-00-067-5654	No Name Available	01/01/1960

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
4840915H05	Straight Shaft
A3-17	Straight Shaft
AAS-A4-7	Straight Shaft
G4-14	Straight Shaft
GS-306	Straight Shaft
S4-17	Straight Shaft
SS121	Straight Shaft

FAQs

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

What is the FSCG of the NSN 3040-00-055-3739?

The FSCG of the NSN 3040-00-055-3739 is 3040

Does the NSN 3040-00-055-3739 have a Schedule B code assigned?

Yes, the Schedule B code is 8483105000

Does NSN 3040-00-055-3739 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 3040-00-055-3739 contain precious materials?

Precious metal content is unknown

Does NSN 3040-00-055-3739 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 3040-00-055-3739 was assigned to the Federal Catalog?

It was assigned 65 years ago, on Sun, Jan 1, 1961