4445139-503

View detailed technical data, stock status, and sourcing information for: 4445139-503
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Federal Supply Group

Mechanical Power Transmission Equipment

Federal Supply Classification

3040 Miscellaneous Power Transmission Equipment

National Stock Number

3040-00-183-5298

Item Name Code

22914

Assigment Date

07/10/1968 (58 years ago)

splined (involute) second end style, circular grooved first end style, not identical end similarity, 0.5350 inches nominal first end groove diameter, 0.5625 inches nominal first 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: circular grooved
First End Groove Width: 0.5625 inches nominal
First End Groove Diameter: 0.5350 inches nominal
End Similarity: not identical
Second End Style: splined (involute)
Overall Length: 4.062 inches nominal
First End Distance From End To Groove: 0.125 inches nominal
First End Diameter: 1.6250 inches nominal
Second End Diameter: 0.7450 inches minimum and 0.7470 inches maximum
Second End Spline Length: 3.500 inches nominal
Second End Spline Minor Diameter: 0.5519 inches nominal
Second End Spline Major Diameter: 0.7460 inches nominal
Second End Pressure Angle: 30.0 degrees nominal
Second End Pitch Diameter: 0.6875 inches nominal
Step Quantity: 3
Second End Spline Quantity: 11
Largest Step Diameter: 1.625 inches nominal
Surface Finish: 250.0 microinches
Material: steel comp 4130
Material Document And Classification: mil-s-6758 mil 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
4445139	Shouldered Shaft
4445139-503	Shouldered Shaft

FAQs

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

What is the FSCG of the NSN 3040-00-183-5298?

The FSCG of the NSN 3040-00-183-5298 is 3040

Does the NSN 3040-00-183-5298 have a Schedule B code assigned?

Yes, the Schedule B code is 8483105000

Does NSN 3040-00-183-5298 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 3040-00-183-5298 contain precious materials?

Item does not contain precious metal.

Does NSN 3040-00-183-5298 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 3040-00-183-5298 was assigned to the Federal Catalog?

It was assigned 58 years ago, on Wed, Jul 10, 1968