3040-01-237-6258

Find complete technical information, availability, and procurement data for: 3040-01-237-6258
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Federal Supply Group

Mechanical Power Transmission Equipment

Federal Supply Classification

3040 Miscellaneous Power Transmission Equipment

National Stock Number

3040-01-237-6258

Item Name Code

22109

Assigment Date

08/03/1986 (40 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.

not identical end similarity, splined (straight) second end style, splined (straight) first end style, 1.2470 inches nominal first end diameter, 7.500 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: splined (straight)
End Similarity: not identical
Second End Style: splined (straight)
Overall Length: 7.500 inches nominal
First End Diameter: 1.2470 inches nominal
First End Spline Length: 1.688 inches nominal
First End Spline Minor Diameter: 1.0665 inches nominal
First End Spline Major Diameter: 1.2470 inches nominal
Second End Diameter: 1.2470 inches nominal
Second End Spline Length: 2.625 inches nominal
Second End Spline Minor Diameter: 1.0665 inches nominal
Second End Spline Major Diameter: 1.2470 inches nominal
First End Spline Quantity: 10
Second End Spline Quantity: 10
Surface Finish: 32.0 microinches
Material: steel comp 4140
Material Document And Classification: aisi 4140 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
77832-60X9 PIECE 5	Straight Shaft
SSN637-701-2159985 PIECE 5	Straight Shaft

FAQs

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

What is the FSCG of the NSN 3040-01-237-6258?

The FSCG of the NSN 3040-01-237-6258 is 3040

Does the NSN 3040-01-237-6258 have a Schedule B code assigned?

Yes, the Schedule B code is 8483105000

Does NSN 3040-01-237-6258 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 3040-01-237-6258 contain precious materials?

Item does not contain precious metal.

Does NSN 3040-01-237-6258 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 3040-01-237-6258 was assigned to the Federal Catalog?

It was assigned 40 years ago, on Sun, Aug 3, 1986