2578686-001A

View detailed technical data, stock status, and sourcing information for: 2578686-001A
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Federal Supply Group

Bearings

Federal Supply Classification

3120 Unmounted Plain Bearings

National Stock Number

3120-00-497-7297

Item Name Code

13206

Assigment Date

06/28/1971 (55 years ago)

A washer of nonresilient material usually having two parallel bearing surfaces. The outside and/or inside edges have one or more protuberances. The ends and/or edges may be prebent at any angle or the protuberances may be prebent at any angle to the bearing surfaces. The keys or lugs may be fitted into keyways in adjacent material or they may be bent over after application to hold or lock one or more items in place. Excludes:thrust type washer.

1.8690 inches minimum and 1.8740 inches maximum body inside diameter, 2.5600 inches nominal flange outside diameter, 2.1250 inches nominal body outside diameter, aircraft, tomcat f-14 end item identification, 0.5660 inches minimum and 0.5760 inches maximum overall length

Product Characteristics

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

Overall Length: 0.5660 inches minimum and 0.5760 inches maximum
Body Outside Diameter: 2.1250 inches nominal
Body Inside Diameter: 1.8690 inches minimum and 1.8740 inches maximum
Flange Outside Diameter: 2.5600 inches nominal
End Item Identification: aircraft, tomcat f-14
Flange Width: 0.1560 inches nominal
Hardness Rating: 35.0 rockwell c minimum and 41.0 rockwell c maximum overall
Surface Finish: 125.0 microinches intermediate layer
Material: steel comp 630 overall
Material Document And Classification: ams 5643 assn std single material response overall
Style Designator: solid, external flange one end
Test Data Document: "81349-mil-i-6868 specification (includes engineering type bulletins, brochures,etc., that reflect specification type data in specification format; excludes commercial catalogs, industry directories, and similar trade publications, reflecting general type data on certain environmental and performance requirements and test conditions that are shown as "typical", "average", "nominal", etc.)."

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
2578686-001A	Sleeve Bushing

FAQs

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

What is the FSCG of the NSN 3120-00-497-7297?

The FSCG of the NSN 3120-00-497-7297 is 3120

Does the NSN 3120-00-497-7297 have a Schedule B code assigned?

Yes, the Schedule B code is 8482997060

Does NSN 3120-00-497-7297 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 3120-00-497-7297 contain precious materials?

Precious metal content is unknown

Does NSN 3120-00-497-7297 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 3120-00-497-7297 was assigned to the Federal Catalog?

It was assigned 55 years ago, on Mon, Jun 28, 1971