3120-01-252-4574

Find complete technical information, availability, and procurement data for: 3120-01-252-4574
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Federal Supply Group

Bearings

Federal Supply Classification

3120 Unmounted Plain Bearings

National Stock Number

3120-01-252-4574

Item Name Code

13205

Assigment Date

04/03/1987 (39 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.

0.3440 inches minimum and 0.3450 inches maximum body outside diameter, 0.2500 inches minimum and 0.2501 inches maximum body inside diameter, square all corners corner shape, 0.3758 inches minimum and 0.3762 inches maximum overall length, 0.0380 inches minimum and 0.0400 inches maximum first hole diameter

Product Characteristics

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

Hole Diameter: 0.0380 inches minimum and 0.0400 inches maximum first
Overall Length: 0.3758 inches minimum and 0.3762 inches maximum
Body Outside Diameter: 0.3440 inches minimum and 0.3450 inches maximum
Body Inside Diameter: 0.2500 inches minimum and 0.2501 inches maximum
Corner Shape: square all corners
Surface Finish: 16.0 microinches outside diameter surface of body
Surface Finish: 8.0 microinches inside diameter surface of body
Surface Finish: 8.0 microinches right end surface of body
Surface Finish: 8.0 microinches left end surface of body
Antirotation/Lubrication Type And Quantity: 2 hole
Surface Groove Location And Quantity: 1 internal
Special Features: used on third generation gyro
Material: copper alloy 172 overall
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
8019177-006	Sleeve Bearing

FAQs

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

What is the FSCG of the NSN 3120-01-252-4574?

The FSCG of the NSN 3120-01-252-4574 is 3120

Does the NSN 3120-01-252-4574 have a Schedule B code assigned?

Yes, the Schedule B code is 8482997090

Does NSN 3120-01-252-4574 require demilitarization?

"commerce control list items (ccli) - mut to the point of scrap required outside the united states. Inside the united states, mut is required when the demil integrity code (ic) is "3" and mut is not required when the demic is "6" (note 8)"

Does NSN 3120-01-252-4574 contain precious materials?

Item does not contain precious metal.

Does NSN 3120-01-252-4574 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 3120-01-252-4574 was assigned to the Federal Catalog?

It was assigned 39 years ago, on Fri, Apr 3, 1987