3120-01-348-3681

Find complete technical information, availability, and procurement data for: 3120-01-348-3681
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Federal Supply Group

Bearings

Federal Supply Classification

3120 Unmounted Plain Bearings

National Stock Number

3120-01-348-3681

Item Name Code

13204

Assigment Date

11/08/1991 (34 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.

square all corners corner shape, 0.4366 inches minimum and 0.4369 inches maximum spherical body diameter, 0.1895 inches minimum and 0.1900 inches maximum body inside diameter, 0.2790 inches minimum and 0.2810 inches maximum overall length, 16.0 microinches outside diameter surface of flats 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: 0.2790 inches minimum and 0.2810 inches maximum
Body Inside Diameter: 0.1895 inches minimum and 0.1900 inches maximum
Spherical Body Diameter: 0.4366 inches minimum and 0.4369 inches maximum
Corner Shape: square all corners
Surface Finish: 16.0 microinches outside diameter surface of flats
Surface Finish: 32.0 microinches inside diameter surface of body
Surface Finish: 63.0 microinches left end surface
Surface Finish: 63.0 microinches right end surface
Special Features: used on a turbine engine
Material: cobalt comp 6 overall
Material Document And Classification: ams5387 assn std single material response overall
Style Designator: solid

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
3091396-1	Spherical Plain Bearing

FAQs

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

What is the FSCG of the NSN 3120-01-348-3681?

The FSCG of the NSN 3120-01-348-3681 is 3120

Does the NSN 3120-01-348-3681 have a Schedule B code assigned?

Yes, the Schedule B code is 8482300040

Does NSN 3120-01-348-3681 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 3120-01-348-3681 contain precious materials?

Item does not contain precious metal.

Does NSN 3120-01-348-3681 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 3120-01-348-3681 was assigned to the Federal Catalog?

It was assigned 34 years ago, on Fri, Nov 8, 1991