3040-00-451-8780

Find complete technical information, availability, and procurement data for: 3040-00-451-8780
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Federal Supply Group

Mechanical Power Transmission Equipment

Federal Supply Classification

3040 Miscellaneous Power Transmission Equipment

National Stock Number

3040-00-451-8780

Item Name Code

22914

Assigment Date

05/21/1971 (55 years ago)

splined (straight) second end style, not identical end similarity, 7.536 inches nominal overall length, plain first end style, 0.7874 inches nominal first end diameter

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: not identical
Second End Style: splined (straight)
Overall Length: 7.536 inches nominal
First End Diameter: 0.7874 inches nominal
Second End Diameter: 0.7874 inches nominal
Second End Spline Length: 0.625 inches nominal
Second End Spline Minor Diameter: 0.3952 inches minimum and 0.4049 inches maximum
Second End Spline Major Diameter: 0.4970 inches minimum and 0.5000 inches maximum
Step Quantity: 2
Second End Spline Quantity: 11
Criticality Code Justification: matt
Largest Step Diameter: 1.100 inches nominal
Surface Finish: 63.0 microinches
Material: steel comp 416

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
78684	Shouldered Shaft

FAQs

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

What is the FSCG of the NSN 3040-00-451-8780?

The FSCG of the NSN 3040-00-451-8780 is 3040

Does the NSN 3040-00-451-8780 have a Schedule B code assigned?

Yes, the Schedule B code is 8483105000

Does NSN 3040-00-451-8780 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 3040-00-451-8780 contain precious materials?

Precious metal content is unknown

Does NSN 3040-00-451-8780 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 3040-00-451-8780 was assigned to the Federal Catalog?

It was assigned 55 years ago, on Fri, May 21, 1971