3120-01-204-4820

Find complete technical information, availability, and procurement data for: 3120-01-204-4820
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Federal Supply Group

Bearings

Federal Supply Classification

3120 Unmounted Plain Bearings

National Stock Number

3120-01-204-4820

Item Name Code

13206

Assigment Date

03/27/1985 (41 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.

1.5000 inches minimum and 1.5200 inches maximum left internal flange hole diameter, 1.6100 inches minimum and 1.6300 inches maximum body inside diameter, 0.4300 inches minimum and 0.4400 inches maximum overall length, 0.1240 inches minimum and 0.1270 inches maximum first hole diameter, 1.7568 inches minimum and 1.7573 inches maximum body outside 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: 0.1240 inches minimum and 0.1270 inches maximum first
Overall Length: 0.4300 inches minimum and 0.4400 inches maximum
Body Outside Diameter: 1.7568 inches minimum and 1.7573 inches maximum
Body Inside Diameter: 1.6100 inches minimum and 1.6300 inches maximum
Left Internal Flange Hole Diameter: 1.5000 inches minimum and 1.5200 inches maximum
Left Internal Flange Width: 0.1000 inches minimum and 0.1100 inches maximum
Corner Shape: chamfered inside right corner
Corner Shape: square outside left corner
Corner Shape: square inside left corner
Corner Shape: square outside right corner
Hardness Rating: 28.0 rockwell c minimum and 34.0 rockwell c maximum overall
Antirotation/Lubrication Type And Quantity: 1 hole
Material: steel comp 4340 or steel comp 4130 overall
Style Designator: solid, plain, no outside flanges, internal 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
3606281-2	Sleeve Bushing

FAQs

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

What is the FSCG of the NSN 3120-01-204-4820?

The FSCG of the NSN 3120-01-204-4820 is 3120

Does the NSN 3120-01-204-4820 have a Schedule B code assigned?

Yes, the Schedule B code is 8482997060

Does NSN 3120-01-204-4820 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 3120-01-204-4820 contain precious materials?

Item does not contain precious metal.

Does NSN 3120-01-204-4820 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 3120-01-204-4820 was assigned to the Federal Catalog?

It was assigned 41 years ago, on Wed, Mar 27, 1985