A51B25554-31

View detailed technical data, stock status, and sourcing information for: A51B25554-31
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Federal Supply Group

Bearings

Federal Supply Classification

3120 Unmounted Plain Bearings

National Stock Number

3120-00-580-3957

Item Name Code

13206

Assigment Date

12/19/1974 (51 years ago)

1.2505 inches minimum and 1.2510 inches maximum body outside diameter, 125.0 microinches intermediate layer surface finish, 1.1376 inches minimum and 1.1396 inches maximum body inside diameter, 0.4300 inches minimum and 0.4400 inches maximum overall length, 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: 0.4300 inches minimum and 0.4400 inches maximum
Body Outside Diameter: 1.2505 inches minimum and 1.2510 inches maximum
Body Inside Diameter: 1.1376 inches minimum and 1.1396 inches maximum
Corner Shape: square all corners
Surface Finish: 125.0 microinches intermediate layer
Material: steel overall
Surface Treatment: cadmium 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
A51B25554-31	Sleeve Bushing

FAQs

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

What is the FSCG of the NSN 3120-00-580-3957?

The FSCG of the NSN 3120-00-580-3957 is 3120

Does the NSN 3120-00-580-3957 have a Schedule B code assigned?

Yes, the Schedule B code is 8482997060

Does NSN 3120-00-580-3957 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 3120-00-580-3957 contain precious materials?

Precious metal content is unknown

Does NSN 3120-00-580-3957 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 3120-00-580-3957 was assigned to the Federal Catalog?

It was assigned 51 years ago, on Thu, Dec 19, 1974