2578583-001A

View detailed technical data, stock status, and sourcing information for: 2578583-001A
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Federal Supply Group

Bearings

Federal Supply Classification

3120 Unmounted Plain Bearings

National Stock Number

3120-00-137-2932

Item Name Code

13205

Assigment Date

07/30/1971 (54 years ago)

A tubular shaped item with or without flange(s) designed to reduce friction and carry a kinetic load on the surface(s) parallel to the axis of the bore. It must have a visible or detectable means of lubrication or be self-lubricated. The over all length must exceed 25 percent of the outside diameter or the shortest distance between peripheral flats of the body, except for straight tubular (without flange or shoulder) items having a bearing surface(s) parallel to the axis of the bore only. Includes items which are divided into two or more segments which include 180 degrees (3.141 radians) or less of the bearing periphery. See also bushing, sleeve; spacer, sleeve; and washer (as modified). Excludes:pin, hollow.

2.8100 inches nominal body outside diameter, 3.2500 inches nominal flange outside diameter, 0.7160 inches nominal overall length, 0.0600 inches nominal first hole diameter, 2.4930 inches minimum and 2.4980 inches maximum body inside diameter

Product Characteristics

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

Hole Diameter: 0.0600 inches nominal first
Overall Length: 0.7160 inches nominal
Body Outside Diameter: 2.8100 inches nominal
Body Inside Diameter: 2.4930 inches minimum and 2.4980 inches maximum
Flange Outside Diameter: 3.2500 inches nominal
Flange Width: 0.1560 inches nominal
Lubricant Accommodation Style: grooved circular
Corner Shape: chamfered outside right corner
Corner Shape: chamfered inside left corner
Corner Shape: chamfered outside left corner
Corner Shape: square left flange body corner
Corner Shape: square left flange outside right corner
Corner Shape: square inside right corner
Hardness Rating: 35.0 rockwell c minimum and 41.0 rockwell c maximum overall
Surface Finish: 125.0 microinches overall
Antirotation/Lubrication Type And Quantity: 1 hole
Surface Groove Location And Quantity: 1 external and 1 internal
Material: steel comp 630 overall
Material Document And Classification: ams 5643 assn std single material response overall
Surface Treatment: passivate overall
Surface Treatment Document And Classification: cp-0520,06848 mfr ref single treatment response overall
Style Designator: solid, external flange one end
Test Data Document: "81349-mil-i-6866 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
2578583-001A	Sleeve Bearing

FAQs

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

What is the FSCG of the NSN 3120-00-137-2932?

The FSCG of the NSN 3120-00-137-2932 is 3120

Does the NSN 3120-00-137-2932 have a Schedule B code assigned?

Yes, the Schedule B code is 8482997090

Does NSN 3120-00-137-2932 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 3120-00-137-2932 contain precious materials?

Precious metal content is unknown

Does NSN 3120-00-137-2932 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 3120-00-137-2932 was assigned to the Federal Catalog?

It was assigned 54 years ago, on Fri, Jul 30, 1971