642121

View detailed technical data, stock status, and sourcing information for: 642121
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Federal Supply Group

Vehicular Equipment Components

Federal Supply Classification

2520 Vehicular Power Transmission Components

National Stock Number

2520-00-737-5197

Item Name Code

10255

Assigment Date

01/01/1963 (63 years ago)

0.437 inches nominal body length, 0.156 inches nominal hub length, 0.089 inches nominal material thickness, 1.555 inches minimum and 1.558 inches maximum inside diameter, 4.125 inches nominal outside diameter

Product Characteristics

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

Inside Diameter: 1.555 inches minimum and 1.558 inches maximum
Outside Diameter: 4.125 inches nominal
Material Thickness: 0.089 inches nominal
Body Length: 0.437 inches nominal
Hub Length: 0.156 inches nominal
Material: steel
Style Designator: round, flanged

Replaces National Stock Numbers

Below is a list of NSNs that have been officially superseded by this NSN:

NSN	Name	Date
2520-00-345-0041	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
00642121	Dirt and Liquid Deflector
17562	Dirt and Liquid Deflector
642121	Dirt and Liquid Deflector
7375197	Dirt and Liquid Deflector

FAQs

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

What is the FSCG of the NSN 2520-00-737-5197?

The FSCG of the NSN 2520-00-737-5197 is 2520

Does the NSN 2520-00-737-5197 have a Schedule B code assigned?

Yes, the Schedule B code is 8483909500

Does NSN 2520-00-737-5197 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 2520-00-737-5197 contain precious materials?

Precious metal content is unknown

Does NSN 2520-00-737-5197 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 2520-00-737-5197 was assigned to the Federal Catalog?

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