121-1204-010

View detailed technical data, stock status, and sourcing information for: 121-1204-010
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Federal Supply Group

Bearings

Federal Supply Classification

3120 Unmounted Plain Bearings

National Stock Number

3120-01-042-8904

Item Name Code

13205

Assigment Date

06/17/1977 (49 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.

0.2500 inches minimum and 0.2510 inches maximum body inside diameter, 0.0950 inches minimum and 0.1050 inches maximum overall length, 0.3756 inches minimum and 0.3761 inches maximum body outside diameter, square all corners corner shape, 125.0 microinches inner member surface finish

Product Characteristics

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

Overall Length: 0.0950 inches minimum and 0.1050 inches maximum
Body Outside Diameter: 0.3756 inches minimum and 0.3761 inches maximum
Body Inside Diameter: 0.2500 inches minimum and 0.2510 inches maximum
Corner Shape: square all corners
Surface Finish: 125.0 microinches inner member
Surface Finish: 125.0 microinches left end surface of body
Surface Finish: 125.0 microinches right end surface of body
Surface Finish: 63.0 microinches outside diameter surface of body
Material: aluminum alloy 2024 outer layer
Material: plastic polytetrafluoroethylene and glass fiber or plastic polytetrafluoroethylene and plastic polyethylene terephthalate inner layer
Surface Treatment: anodize outer layer
Surface Treatment Document And Classification: mil-a-8625 mil spec single treatment response outer layer
Style Designator: solid, plain, no outside flanges

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
121-1204-010	Sleeve Bearing
91386-04-010	Sleeve Bearing
ADG04A010	Sleeve Bearing
BJ8TF-010	Sleeve Bearing
BJ8TF010	Sleeve Bearing
GB528BD4D010	Sleeve Bearing
GDRDD4-010	Sleeve Bearing

FAQs

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

What is the FSCG of the NSN 3120-01-042-8904?

The FSCG of the NSN 3120-01-042-8904 is 3120

Does the NSN 3120-01-042-8904 have a Schedule B code assigned?

Yes, the Schedule B code is 8482997090

Does NSN 3120-01-042-8904 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 3120-01-042-8904 contain precious materials?

Precious metal content is unknown

Does NSN 3120-01-042-8904 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 3120-01-042-8904 was assigned to the Federal Catalog?

It was assigned 49 years ago, on Fri, Jun 17, 1977