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3120-01-344-3904

Find complete technical information, availability, and procurement data for: 3120-01-344-3904

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3120-01-344-3904
Federal Supply Group
Bearings
Federal Supply Classification
3120 Unmounted Plain Bearings
National Stock Number
3120-01-344-3904
Item Name Code
13205
Assigment Date
08/28/1991 (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.

2.7522 inches minimum and 2.7532 inches maximum body outside diameter, 2.5565 inches minimum and 2.5585 inches maximum body inside diameter, 0.0920 inches minimum and 0.0940 inches maximum flange width, 3.1250 inches nominal flange outside diameter, 0.4020 inches minimum and 0.4040 inches maximum overall length

Product Characteristics

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

Overall Length
0.4020 inches minimum and 0.4040 inches maximum
Body Outside Diameter
2.7522 inches minimum and 2.7532 inches maximum
Body Inside Diameter
2.5565 inches minimum and 2.5585 inches maximum
Flange Outside Diameter
3.1250 inches nominal
Flange Width
0.0920 inches minimum and 0.0940 inches maximum
Corner Shape
square all corners
Material
copper alloy 172 overall
Material Document And Classification
astm b196 fed spec single material response or astm b197 fed spec single material response or astm b194 fed spec single material response overall
Style Designator
solid, external flange one end

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
17P1C2002-521 Sleeve Bearing

FAQs

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

What is the FSCG of the NSN 3120-01-344-3904?
The FSCG of the NSN 3120-01-344-3904 is 3120
Does the NSN 3120-01-344-3904 have a Schedule B code assigned?
Yes, the Schedule B code is 8482997090
Does NSN 3120-01-344-3904 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 3120-01-344-3904 contain precious materials?
Item does not contain precious metal.
Does NSN 3120-01-344-3904 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 3120-01-344-3904 was assigned to the Federal Catalog?
It was assigned 34 years ago, on Wed, Aug 28, 1991

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 Material 12
Total 12
Availability of this item was last updated on: 08/12/2026 11:08 AM EDT. Stock levels and pricing are subject to change.

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