3120-01-349-4256

Find complete technical information, availability, and procurement data for: 3120-01-349-4256
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Federal Supply Group

Bearings

Federal Supply Classification

3120 Unmounted Plain Bearings

National Stock Number

3120-01-349-4256

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.

0.2500 inches minimum and 0.2501 inches maximum body inside diameter, square all corners corner shape, 0.37400 inches minimum and 0.3745 inches maximum body outside diameter, 1.4450 inches minimum and 1.4500 inches maximum overall length, 40.0 rockwell c minimum and 43.0 rockwell c maximum overall hardness rating

Product Characteristics

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

Overall Length: 1.4450 inches minimum and 1.4500 inches maximum
Body Outside Diameter: 0.37400 inches minimum and 0.3745 inches maximum
Body Inside Diameter: 0.2500 inches minimum and 0.2501 inches maximum
Corner Shape: square all corners
Hardness Rating: 40.0 rockwell c minimum and 43.0 rockwell c maximum overall
Surface Finish: 32.0 microinches inside diameter surface of body63.0 microinches left end surface of body16.0 microinches outside diameter surface of body63.0 microinches right end surface of body
Material: steel comp xm-12 overall
Material Document And Classification: ams 5659 assn std single material response overall
Surface Treatment: chromium outside diameter surface of body
Surface Treatment Document And Classification: qq-c-320,class 2 fed spec single treatment response outside diameter surface of body
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
04A067-04-145	Sleeve Bushing

FAQs

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

What is the FSCG of the NSN 3120-01-349-4256?

The FSCG of the NSN 3120-01-349-4256 is 3120

Does the NSN 3120-01-349-4256 have a Schedule B code assigned?

Yes, the Schedule B code is 8482997060

Does NSN 3120-01-349-4256 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 3120-01-349-4256 contain precious materials?

Item does not contain precious metal.

Does NSN 3120-01-349-4256 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 3120-01-349-4256 was assigned to the Federal Catalog?

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