3120-01-143-7493

Find complete technical information, availability, and procurement data for: 3120-01-143-7493
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Federal Supply Group

Bearings

Federal Supply Classification

3120 Unmounted Plain Bearings

National Stock Number

3120-01-143-7493

Item Name Code

13205

Assigment Date

12/08/1982 (43 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.

0.6725 inches minimum and 0.6875 inches maximum overall length, 0.0575 inches minimum and 0.0625 inches maximum flange width, 0.5007 inches minimum and 0.5017 inches maximum body outside diameter, 0.8550 inches minimum and 0.8750 inches maximum flange outside diameter, 0.3755 inches minimum and 0.3765 inches maximum body inside diameter

Product Characteristics

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

Overall Length: 0.6725 inches minimum and 0.6875 inches maximum
Body Outside Diameter: 0.5007 inches minimum and 0.5017 inches maximum
Body Inside Diameter: 0.3755 inches minimum and 0.3765 inches maximum
Flange Outside Diameter: 0.8550 inches minimum and 0.8750 inches maximum
Flange Width: 0.0575 inches minimum and 0.0625 inches maximum
Corner Shape: square all corners
Surface Finish: 63.0 microinches outside diameter surface of body
Special Features: plastic liner bonded to left end surface of flange
Material: aluminum alloy 2024 outer layer
Material: plastic polytetrafluoroethylene inner layer
Material Document And Classification: qq-a-200/3 fed spec single material response or qq-a-225/6 fed spec single material response outer layer
Surface Treatment: anodize or chromate overall
Surface Treatment Document And Classification: mil-a-8625,type 1,or 2 mil spec 1st treatment response or mil-c-5541 mil spec 2nd treatment 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
M81934/2-06A020	Sleeve Bearing
MS21241-06A020	Sleeve Bearing

FAQs

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

What is the FSCG of the NSN 3120-01-143-7493?

The FSCG of the NSN 3120-01-143-7493 is 3120

Does the NSN 3120-01-143-7493 have a Schedule B code assigned?

Yes, the Schedule B code is 8482997090

Does NSN 3120-01-143-7493 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 3120-01-143-7493 contain precious materials?

Item does not contain precious metal.

Does NSN 3120-01-143-7493 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 3120-01-143-7493 was assigned to the Federal Catalog?

It was assigned 43 years ago, on Wed, Dec 8, 1982