3120-01-221-4244

Find complete technical information, availability, and procurement data for: 3120-01-221-4244
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Federal Supply Group

Bearings

Federal Supply Classification

3120 Unmounted Plain Bearings

National Stock Number

3120-01-221-4244

Item Name Code

13206

Assigment Date

11/28/1985 (40 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.

1.5650 inches minimum and 1.5750 inches maximum overall length, 0.7240 inches minimum and 0.7310 inches maximum body inside diameter, 0.9383 inches minimum and 0.9393 inches maximum body outside diameter, 1.2500 inches nominal flange outside diameter, 0.0700 inches nominal first hole 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: 0.0700 inches nominal first
Overall Length: 1.5650 inches minimum and 1.5750 inches maximum
Body Outside Diameter: 0.9383 inches minimum and 0.9393 inches maximum
Body Inside Diameter: 0.7240 inches minimum and 0.7310 inches maximum
Flange Outside Diameter: 1.2500 inches nominal
Flange Width: 0.3400 inches nominal
Corner Shape: square all corners
Hardness Rating: 33.0 rockwell c minimum and 38.0 rockwell c maximum overall
Surface Finish: 63.0 microinches outside diameter surface of body
Antirotation/Lubrication Type And Quantity: 2 hole
Material: steel comp 4340 overall
Material Document And Classification: mil-s-8844 mil spec single material response 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
70400-08167-102	Sleeve Bushing

FAQs

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

What is the FSCG of the NSN 3120-01-221-4244?

The FSCG of the NSN 3120-01-221-4244 is 3120

Does the NSN 3120-01-221-4244 have a Schedule B code assigned?

Yes, the Schedule B code is 8482997060

Does NSN 3120-01-221-4244 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 3120-01-221-4244 contain precious materials?

Item does not contain precious metal.

Does NSN 3120-01-221-4244 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 3120-01-221-4244 was assigned to the Federal Catalog?

It was assigned 40 years ago, on Thu, Nov 28, 1985