2520-00-943-8475

Find complete technical information, availability, and procurement data for: 2520-00-943-8475
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Federal Supply Group

Vehicular Equipment Components

Federal Supply Classification

2520 Vehicular Power Transmission Components

National Stock Number

2520-00-943-8475

Item Name Code

10852

Assigment Date

02/02/1966 (60 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.

12.781 inches nominal overall length, 1.495 inches nominal first end spline major diameter, 42.0 maximum rockwell c metallic hardness rating, 1.619 inches nominal first end spline length, 1.265 inches nominal first end spline minor diameter

Product Characteristics

Below you’ll find the complete technical specifications and performance data for this part, including material details and compliance information.

Overall Length: 12.781 inches nominal
Metallic Hardness Rating: 42.0 maximum rockwell c
First End Spline Length: 1.619 inches nominal
First End Spline Minor Diameter: 1.265 inches nominal
First End Spline Major Diameter: 1.495 inches nominal
Second End Spline Length: 1.750 inches nominal
Second End Pitch Diameter: 1.136 inches nominal
Second End Bearing Seat Diameter: 1.312 inches nominal
Second End Distance From Bearing Seat To End: 2.750 inches nominal
First End Type: splined
Second End Type: splined
First End Spline Quantity: 6
Second End Spline Quantity: 19
First End Facility Diameter: 1.031 inches minimum and 1.625 inches maximum
First End Engaging/Locking/Positioning Facility: locking device groove and shoulder
First End Facility Width: 0.125 inches minimum and 0.312 inches maximum
First End Facility Location: 1.250 in. between groove and shoulder,0.312 in. from end of shaft
First End Bearing Seat: not included
Second End Spline Type: involute
Second End Spline Pressure Angle In Deg: 30.0
Second End Bearing Seat: included
Second End Bearing Seat Width: 1.156 inches nominal
First End Spline Type: straight
Material: steel comp 4130
Material Document And Classification: aisi 4130 assn std single material response or qq-s-624 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
653-5226-13	Automotive Axle Shaft
65D35226-13	Automotive Axle Shaft
65D35226-9	Automotive Axle Shaft

FAQs

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

What is the FSCG of the NSN 2520-00-943-8475?

The FSCG of the NSN 2520-00-943-8475 is 2520

Does the NSN 2520-00-943-8475 have a Schedule B code assigned?

Yes, the Schedule B code is 8483909500

Does NSN 2520-00-943-8475 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 2520-00-943-8475 contain precious materials?

Precious metal content is unknown

Does NSN 2520-00-943-8475 contain hazardous materials?

Indicates there is no information in the hmirs. The nsn is in a fsc in table ii of fed std 313 and a msds may be required by the user. The requirement for a msds is dependent on a hazard determination of the supplier or the intended end use of item.

When the NSN 2520-00-943-8475 was assigned to the Federal Catalog?

It was assigned 60 years ago, on Wed, Feb 2, 1966