3120-01-349-4258

Find complete technical information, availability, and procurement data for: 3120-01-349-4258
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Federal Supply Group

Bearings

Federal Supply Classification

3120 Unmounted Plain Bearings

National Stock Number

3120-01-349-4258

Item Name Code

13206

Assigment Date

11/25/1991 (34 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.

chamfered outside left corner corner shape, 0.2570 inches nominal first hole diameter, 1.8744 inches minimum and 1.8750 inches maximum body outside diameter, 1.8600 inches nominal overall length, 1.2500 inches minimum and 1.2530 inches maximum body inside 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: 0.2570 inches nominal first
Overall Length: 1.8600 inches nominal
Body Outside Diameter: 1.8744 inches minimum and 1.8750 inches maximum
Body Inside Diameter: 1.2500 inches minimum and 1.2530 inches maximum
Corner Shape: chamfered outside left corner
Corner Shape: square inside left corner
Corner Shape: square inside right corner
Corner Shape: square outside right corner
Surface Finish: 63.0 microinches inside diameter surface of body
Surface Finish: 63.0 microinches outside diameter surface of body
Antirotation/Lubrication Type And Quantity: 1 hole
Material: copper alloy 630 overall
Material Document And Classification: astm b124 assn std single material response 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
123-4645242-19	Sleeve Bushing
123-4775445 ITEM 26	Sleeve Bushing
123-5583497 ITEM 26	Sleeve Bushing

FAQs

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

What is the FSCG of the NSN 3120-01-349-4258?

The FSCG of the NSN 3120-01-349-4258 is 3120

Does the NSN 3120-01-349-4258 have a Schedule B code assigned?

Yes, the Schedule B code is 8482997060

Does NSN 3120-01-349-4258 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 3120-01-349-4258 contain precious materials?

Item does not contain precious metal.

Does NSN 3120-01-349-4258 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 3120-01-349-4258 was assigned to the Federal Catalog?

It was assigned 34 years ago, on Mon, Nov 25, 1991