S8-55

View detailed technical data, stock status, and sourcing information for: S8-55
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Federal Supply Group

Mechanical Power Transmission Equipment

Federal Supply Classification

3040 Miscellaneous Power Transmission Equipment

National Stock Number

3040-01-237-6249

Item Name Code

22109

Assigment Date

08/03/1986 (39 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.

identical end similarity, plain first end style, 0.4997 inches nominal first end diameter, 12.0 microinches surface finish, 5.500 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: plain
End Similarity: identical
Overall Length: 5.500 inches nominal
First End Diameter: 0.4997 inches nominal
Surface Finish: 12.0 microinches
Material: steel corrosion resisting

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
G8-44	Straight Shaft
S8-55	Straight Shaft

FAQs

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

What is the FSCG of the NSN 3040-01-237-6249?

The FSCG of the NSN 3040-01-237-6249 is 3040

Does the NSN 3040-01-237-6249 have a Schedule B code assigned?

Yes, the Schedule B code is 8483105000

Does NSN 3040-01-237-6249 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 3040-01-237-6249 contain precious materials?

Item does not contain precious metal.

Does NSN 3040-01-237-6249 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 3040-01-237-6249 was assigned to the Federal Catalog?

It was assigned 39 years ago, on Sun, Aug 3, 1986