3120-00-139-4621

Find complete technical information, availability, and procurement data for: 3120-00-139-4621
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Federal Supply Group

Bearings

Federal Supply Classification

3120 Unmounted Plain Bearings

National Stock Number

3120-00-139-4621

Item Name Code

13205

Assigment Date

08/18/1971 (55 years ago)

A tubular shaped item with or without flange(s) designed to reduce friction and carry a kinetic load on the surface(s) parallel to the axis of the bore. It must have a visible or detectable means of lubrication or be self-lubricated. The over all length must exceed 25 percent of the outside diameter or the shortest distance between peripheral flats of the body, except for straight tubular (without flange or shoulder) items having a bearing surface(s) parallel to the axis of the bore only. Includes items which are divided into two or more segments which include 180 degrees (3.141 radians) or less of the bearing periphery. See also bushing, sleeve; spacer, sleeve; and washer (as modified). Excludes:pin, hollow.

0.2020 inches minimum and 0.2210 inches maximum first slot width, 2.0010 inches minimum and 2.0055 inches maximum body inside diameter, 1 slot antirotation/lubrication type and quantity, 1.9370 inches nominal overall length, 2.2510 inches minimum and 2.2530 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.

Slot Width: 0.2020 inches minimum and 0.2210 inches maximum first
Overall Length: 1.9370 inches nominal
Body Outside Diameter: 2.2510 inches minimum and 2.2530 inches maximum
Body Inside Diameter: 2.0010 inches minimum and 2.0055 inches maximum
Antirotation/Lubrication Type And Quantity: 1 slot
Style Designator: split, 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
10107604	Sleeve Bearing
11663170	Sleeve Bearing
11663170-2	Sleeve Bearing
3120001394621	Sleeve Bearing
CGB4375	Sleeve Bearing

FAQs

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

What is the FSCG of the NSN 3120-00-139-4621?

The FSCG of the NSN 3120-00-139-4621 is 3120

Does the NSN 3120-00-139-4621 have a Schedule B code assigned?

Yes, the Schedule B code is 8482997090

Does NSN 3120-00-139-4621 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 3120-00-139-4621 contain precious materials?

Precious metal content is unknown

Does NSN 3120-00-139-4621 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 3120-00-139-4621 was assigned to the Federal Catalog?

It was assigned 55 years ago, on Wed, Aug 18, 1971