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3120-01-121-8578

Find complete technical information, availability, and procurement data for: 3120-01-121-8578

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3120-01-121-8578
Federal Supply Group
Bearings
Federal Supply Classification
3120 Unmounted Plain Bearings
National Stock Number
3120-01-121-8578
Item Name Code
13206
Assigment Date
11/10/1981 (44 years ago)

A tubular shaped unthreaded item with or without a flange at one end designed to be inserted into a hole to reduce the inside diameter of the hole and to protect the surrounding body structure from damage resulting from stress, strain, and/or vibration. The overall length must exceed 25 percent of the outside diameter or the shortest distance between peripheral flats of the body. Includes items which are divided into two or more segments which includes 180 degrees (3.141 radians) or less of the bearing periphery. For items made of rubber, see bushing, nonmetallic. See also bearing, sleeve; bushing, tapered; spacer, sleeve; insulator, bushing; and bushing, electrical conductor. Excludes:bushing, drill, jig.

0.5890 inches minimum and 0.5950 inches maximum overall length, square all corners corner shape, 125.0 microinches intermediate layer surface finish, 0.8750 inches minimum and 0.8760 inches maximum body inside diameter, 1.0590 inches minimum and 1.0600 inches maximum body outside diameter

Product Characteristics

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

Overall Length
0.5890 inches minimum and 0.5950 inches maximum
Body Outside Diameter
1.0590 inches minimum and 1.0600 inches maximum
Body Inside Diameter
0.8750 inches minimum and 0.8760 inches maximum
Corner Shape
square all corners
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, plain, no outside flanges
Test Data Document
"76301-ps21201 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
10107788 Sleeve Bushing
74A410639-2001 Sleeve Bushing

FAQs

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

What is the FSCG of the NSN 3120-01-121-8578?
The FSCG of the NSN 3120-01-121-8578 is 3120
Does the NSN 3120-01-121-8578 have a Schedule B code assigned?
Yes, the Schedule B code is 8482997060
Does NSN 3120-01-121-8578 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 3120-01-121-8578 contain precious materials?
Item does not contain precious metal.
Does NSN 3120-01-121-8578 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 3120-01-121-8578 was assigned to the Federal Catalog?
It was assigned 44 years ago, on Tue, Nov 10, 1981

Professional Distribution

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Pricing

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ITAR Registered

In Stock

This item is currently available and ready for prompt shipment. Units may be offered in various conditions — new, surplus, or refurbished — and stored at verified global facilities. Request a quote to confirm current stock and delivery time.

New Surplus 1
New Material 69
Total 70
Availability of this item was last updated on: 04/10/2026 03:04 PM EDT. Stock levels and pricing are subject to change.

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