3120-01-204-3431

Find complete technical information, availability, and procurement data for: 3120-01-204-3431
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Federal Supply Group

Bearings

Federal Supply Classification

3120 Unmounted Plain Bearings

National Stock Number

3120-01-204-3431

Item Name Code

13205

Assigment Date

03/26/1985 (41 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.

0.8700 inches minimum and 0.8800 inches maximum overall length, 27.0 rockwell c nominal outer layer hardness rating, 0.7505 inches minimum and 0.7515 inches maximum body inside diameter, square all corners corner shape, 0.9388 inches minimum and 0.9393 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: 0.8700 inches minimum and 0.8800 inches maximum
Body Outside Diameter: 0.9388 inches minimum and 0.9393 inches maximum
Body Inside Diameter: 0.7505 inches minimum and 0.7515 inches maximum
Corner Shape: square all corners
Hardness Rating: 27.0 rockwell c nominal outer layer
Material: plastic polytetrafluoroethylene and plastic polyamide (nylon) and plastic phenolic inner layer
Material: steel comp 630 outer layer
Material Document And Classification: ams 5643 assn std single material response outer layer
Material Document And Classification: mil-b-81934 mil spec single material response inner 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
123-4695804 ITEM 12	Sleeve Bearing
246-5749525-BRG-12	Sleeve Bearing
KRJ12-SV-028U	Sleeve Bearing

FAQs

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

What is the FSCG of the NSN 3120-01-204-3431?

The FSCG of the NSN 3120-01-204-3431 is 3120

Does the NSN 3120-01-204-3431 have a Schedule B code assigned?

Yes, the Schedule B code is 8482997090

Does NSN 3120-01-204-3431 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 3120-01-204-3431 contain precious materials?

Item does not contain precious metal.

Does NSN 3120-01-204-3431 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 3120-01-204-3431 was assigned to the Federal Catalog?

It was assigned 41 years ago, on Tue, Mar 26, 1985