2578656-001A

View detailed technical data, stock status, and sourcing information for: 2578656-001A
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Federal Supply Group

Bearings

Federal Supply Classification

3120 Unmounted Plain Bearings

National Stock Number

3120-00-757-5445

Item Name Code

13205

Assigment Date

07/23/1971 (55 years ago)

125.0 microinches inside diameter surface of body surface finish, 0.7500 inches nominal body inside diameter, 1.5700 inches minimum and 1.5800 inches maximum overall length, 0.9975 inches minimum and 0.9985 inches maximum body outside diameter, square all corners corner shape

Product Characteristics

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

Overall Length: 1.5700 inches minimum and 1.5800 inches maximum
Body Outside Diameter: 0.9975 inches minimum and 0.9985 inches maximum
Body Inside Diameter: 0.7500 inches nominal
Corner Shape: square all corners
Surface Finish: 125.0 microinches inside diameter surface of body
Surface Finish: 125.0 microinches left end surface of body
Surface Finish: 125.0 microinches right end surface of body
Surface Finish: 32.0 microinches outside diameter surface of body
Material: steel comp 4340 or steel comp 4028h overall
Surface Treatment: chromium overall
Style Designator: solid, plain, no outside flanges
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
2578656-001A	Sleeve Bearing

FAQs

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

What is the FSCG of the NSN 3120-00-757-5445?

The FSCG of the NSN 3120-00-757-5445 is 3120

Does the NSN 3120-00-757-5445 have a Schedule B code assigned?

Yes, the Schedule B code is 8482997090

Does NSN 3120-00-757-5445 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 3120-00-757-5445 contain precious materials?

Item does not contain precious metal.

Does NSN 3120-00-757-5445 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 3120-00-757-5445 was assigned to the Federal Catalog?

It was assigned 55 years ago, on Fri, Jul 23, 1971