3120-01-125-0408

Find complete technical information, availability, and procurement data for: 3120-01-125-0408
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Federal Supply Group

Bearings

Federal Supply Classification

3120 Unmounted Plain Bearings

National Stock Number

3120-01-125-0408

Item Name Code

13205

Assigment Date

01/20/1982 (44 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.

3.9450 inches minimum and 3.9550 inches maximum flange outside diameter, 0.1640 inches minimum and 0.1680 inches maximum flange width, 3.4800 inches minimum and 3.4810 inches maximum body outside diameter, 3.2425 inches minimum and 3.2485 inches maximum body inside diameter, 3.2570 inches minimum and 3.2710 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: 3.2570 inches minimum and 3.2710 inches maximum
Body Outside Diameter: 3.4800 inches minimum and 3.4810 inches maximum
Body Inside Diameter: 3.2425 inches minimum and 3.2485 inches maximum
Flange Outside Diameter: 3.9450 inches minimum and 3.9550 inches maximum
Flange Width: 0.1640 inches minimum and 0.1680 inches maximum
Corner Shape: square all corners
Hardness Rating: 26.0 rockwell c minimum and 32.0 rockwell c maximum overall
Material: steel comp 8740 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
149518Y23	Sleeve Bearing
149879Y23	Sleeve Bearing

FAQs

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

What is the FSCG of the NSN 3120-01-125-0408?

The FSCG of the NSN 3120-01-125-0408 is 3120

Does the NSN 3120-01-125-0408 have a Schedule B code assigned?

Yes, the Schedule B code is 8482997090

Does NSN 3120-01-125-0408 require demilitarization?

"commerce control list items (ccli) - mut to the point of scrap required outside the united states. Inside the united states, mut is required when the demil integrity code (ic) is "3" and mut is not required when the demic is "6" (note 8)"

Does NSN 3120-01-125-0408 contain precious materials?

Item does not contain precious metal.

Does NSN 3120-01-125-0408 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 3120-01-125-0408 was assigned to the Federal Catalog?

It was assigned 44 years ago, on Wed, Jan 20, 1982