2520-00-741-1657

Find complete technical information, availability, and procurement data for: 2520-00-741-1657
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Federal Supply Group

Vehicular Equipment Components

Federal Supply Classification

2520 Vehicular Power Transmission Components

National Stock Number

2520-00-741-1657

Item Name Code

52060

Assigment Date

01/01/1963 (63 years ago)

A solid circular disk of wire-woven lining material or ceramic and metal substance and the like, molded to one or both sides and fastened directly or indirectly to the center spline or hub, which receives and transmits motion or power by engagement with the pressure plate assembly and the flywheel or the like. Includes dry or wet type disk, and may include damper springs. This item is designed to be used on tanks, automobiles, construction equipment, and the like in conjunction with a clutch assembly, friction.

friction material facing and material facing groove features provided, 7.531 inches nominal outside diameter, internal teeth disk type, wet design type, 63 teeth quantity per disk

Product Characteristics

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

Outside Diameter: 7.531 inches nominal
Design Type: wet
Disk Type: internal teeth
Teeth Quantity Per Disk: 63
Features Provided: friction material facing and material facing groove
Construction: solid
Disk Material: steel
Flexibility: rigid
Material: copper alloy

Replaces National Stock Numbers

Below is a list of NSNs that have been officially superseded by this NSN:

NSN	Name	Date
2520-00-345-5126	No Name Available	01/01/1963

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
7411657	Vehicular Clutch Disk
8613621	Vehicular Clutch Disk

FAQs

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

What is the FSCG of the NSN 2520-00-741-1657?

The FSCG of the NSN 2520-00-741-1657 is 2520

Does the NSN 2520-00-741-1657 have a Schedule B code assigned?

Yes, the Schedule B code is 8483909500

Does NSN 2520-00-741-1657 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 2520-00-741-1657 contain precious materials?

Precious metal content is unknown

Does NSN 2520-00-741-1657 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 2520-00-741-1657 was assigned to the Federal Catalog?

It was assigned 63 years ago, on Tue, Jan 1, 1963