A1491EA

View detailed technical data, stock status, and sourcing information for: A1491EA
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Federal Supply Group

Mechanical Power Transmission Equipment

Federal Supply Classification

3040 Miscellaneous Power Transmission Equipment

National Stock Number

3040-01-305-7902

Item Name Code

22109

Assigment Date

08/11/1989 (36 years ago)

A shaft having two or more different diameters (greater than 0.031 inches (0.79 millimeter)) along its length. It must have one or more of the following conditions: a specified surface finish designation in the range 1 to 125 microinches (0.025 to 3.2 micrometers) arithmetical average (aa), machined peripheral flat(s), circular groove(s), keyway(s), splines, threads, or holes. The ends and/or shoulders may be machined to accommodate bearings, couplings, and the like. It is not designed for use in aligning by fitting into corresponding holes of another item. For items used to support rotating members see axle(1), shouldered. For items not having any of the above conditions see pin, shoulder, headless. Excludes:shaft(1), straight; and axle(1), straight.

0.125 in. dia special features, 1.235 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.

Overall Length: 1.235 inches nominal
Special Features: 0.125 in. dia

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
60099P001	Straight Shaft
A1128BX	Straight Shaft
A1491EA	Straight Shaft

FAQs

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

What is the FSCG of the NSN 3040-01-305-7902?

The FSCG of the NSN 3040-01-305-7902 is 3040

Does the NSN 3040-01-305-7902 have a Schedule B code assigned?

Yes, the Schedule B code is 8483105000

Does NSN 3040-01-305-7902 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 3040-01-305-7902 contain precious materials?

Item does not contain precious metal.

Does NSN 3040-01-305-7902 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 3040-01-305-7902 was assigned to the Federal Catalog?

It was assigned 36 years ago, on Fri, Aug 11, 1989