2500992

View detailed technical data, stock status, and sourcing information for: 2500992
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Federal Supply Group

Mechanical Power Transmission Equipment

Federal Supply Classification

3040 Miscellaneous Power Transmission Equipment

National Stock Number

3040-01-261-2549

Item Name Code

22914

Assigment Date

08/11/1987 (38 years ago)

2.8790 inches minimum and 2.8810 inches maximum second end groove diameter, circular grooved and externally threaded second end style, splined (involute) first end style, not identical end similarity, 0.1560 inches minimum and 0.1700 inches maximum second end groove width

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 (involute)
End Similarity: not identical
Second End Style: circular grooved and externally threaded
Second End Groove Width: 0.1560 inches minimum and 0.1700 inches maximum
Second End Groove Diameter: 2.8790 inches minimum and 2.8810 inches maximum
Overall Length: 31.912 inches nominal
First End Diameter: 2.8240 inches minimum and 2.8640 inches maximum
First End Spline Length: 2.281 inches nominal
First End Spline Minor Diameter: 2.6330 inches minimum and 2.6460 inches maximum
First End Spline Major Diameter: 2.8077 inches minimum and 2.8127 inches maximum
First End Pressure Angle: 30.0 degrees nominal
First End Pitch Diameter: 2.7500 inches nominal
Second End Distance From End To Groove: 0.273 inches nominal
Second End Diameter: 3.2500 inches nominal
Second End External Thread Length: 0.605 inches minimum and 0.645 inches maximum
Step Quantity: 8
First End Spline Quantity: 33
Largest Step Diameter: 3.474 inches minimum and 3.479 inches maximum
Surface Finish: 63.0 microinches
Material: aluminum alloy 6061
Material Document And Classification: qq-a-225,t6 fed spec 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
2500992	Shouldered Shaft

FAQs

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

What is the FSCG of the NSN 3040-01-261-2549?

The FSCG of the NSN 3040-01-261-2549 is 3040

Does the NSN 3040-01-261-2549 have a Schedule B code assigned?

Yes, the Schedule B code is 8483105000

Does NSN 3040-01-261-2549 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 3040-01-261-2549 contain precious materials?

Item does not contain precious metal.

Does NSN 3040-01-261-2549 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 3040-01-261-2549 was assigned to the Federal Catalog?

It was assigned 38 years ago, on Tue, Aug 11, 1987