3120-00-343-9755

Find complete technical information, availability, and procurement data for: 3120-00-343-9755
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Federal Supply Group

Bearings

Federal Supply Classification

3120 Unmounted Plain Bearings

National Stock Number

3120-00-343-9755

Item Name Code

13205

Assigment Date

01/01/1963 (63 years ago)

A tubular shaped unthreaded item with or without a flange at one end designed to be inserted into a hole to reduce the inside diameter of the hole and to protect the surrounding body structure from damage resulting from stress, strain, and/or vibration. The overall length must exceed 25 percent of the outside diameter or the shortest distance between peripheral flats of the body. Includes items which are divided into two or more segments which includes 180 degrees (3.141 radians) or less of the bearing periphery. For items made of rubber, see bushing, nonmetallic. See also bearing, sleeve; bushing, tapered; spacer, sleeve; insulator, bushing; and bushing, electrical conductor. Excludes:bushing, drill, jig.

4.0000 inches nominal flange outside diameter, 2.0000 inches nominal overall length, 2.7510 inches minimum and 2.7520 inches maximum body outside diameter, 2.0000 inches minimum and 2.0010 inches maximum body inside diameter, 0.3110 inches minimum and 0.3130 inches maximum flange width

Product Characteristics

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

Overall Length: 2.0000 inches nominal
Body Outside Diameter: 2.7510 inches minimum and 2.7520 inches maximum
Body Inside Diameter: 2.0000 inches minimum and 2.0010 inches maximum
Flange Outside Diameter: 4.0000 inches nominal
Flange Width: 0.3110 inches minimum and 0.3130 inches maximum
Corner Shape: round outside left corner
Surface Finish: 63.0 microinches inside diameter surface of body
Surface Finish: 63.0 microinches outside diameter surface of body
Surface Finish: 63.0 microinches right end surface of left flange
Material: copper alloy 922 outer layer
Material: tin alloy uns l13890 inner layer
Material Document And Classification: mil-b-16541 mil spec 1st material response outer layer
Material Document And Classification: qq-t-390,grade 2 fed spec 2nd material response inner layer
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
1714041	Sleeve Bearing
1JH2179PC28	Sleeve Bearing
36F452P5	Sleeve Bearing
H3177356PC28	Sleeve Bearing

FAQs

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

What is the FSCG of the NSN 3120-00-343-9755?

The FSCG of the NSN 3120-00-343-9755 is 3120

Does the NSN 3120-00-343-9755 have a Schedule B code assigned?

Yes, the Schedule B code is 8482997090

Does NSN 3120-00-343-9755 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 3120-00-343-9755 contain precious materials?

Item does not contain precious metal.

Does NSN 3120-00-343-9755 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 3120-00-343-9755 was assigned to the Federal Catalog?

It was assigned 63 years ago, on Tue, Jan 1, 1963