3120-00-145-2179

Find complete technical information, availability, and procurement data for: 3120-00-145-2179
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Federal Supply Group

Bearings

Federal Supply Classification

3120 Unmounted Plain Bearings

National Stock Number

3120-00-145-2179

Item Name Code

13205

Assigment Date

09/12/1971 (54 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.

square all corners corner shape, 30.0 rockwell h minimum and 70.0 rockwell h maximum overall hardness rating, 0.5640 inches minimum and 0.5650 inches maximum body outside diameter, 0.4380 inches minimum and 0.4390 inches maximum body inside diameter, 0.3700 inches minimum and 0.3800 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: 0.3700 inches minimum and 0.3800 inches maximum
Body Outside Diameter: 0.5640 inches minimum and 0.5650 inches maximum
Body Inside Diameter: 0.4380 inches minimum and 0.4390 inches maximum
Corner Shape: square all corners
Hardness Rating: 30.0 rockwell h minimum and 70.0 rockwell h maximum overall
Material: copper alloy overall
Material: oil lubricating lubrication
Material Document And Classification: mil-b-5687,ty 1,comp a or b mil spec single material response overall
Material Document And Classification: mil-l-15016, symbol 2190 mil spec single material response lubrication
Style Designator: solid, plain, no outside flanges

Replaces National Stock Numbers

Below is a list of NSNs that have been officially superseded by this NSN:

NSN	Name	Date
3610-00-789-3507	No Name Available	05/01/1979

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
AA515-21	Sleeve Bearing
MS17795-62	Sleeve Bearing

FAQs

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

What is the FSCG of the NSN 3120-00-145-2179?

The FSCG of the NSN 3120-00-145-2179 is 3120

Does the NSN 3120-00-145-2179 have a Schedule B code assigned?

Yes, the Schedule B code is 8482997090

Does NSN 3120-00-145-2179 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 3120-00-145-2179 contain precious materials?

Item does not contain precious metal.

Does NSN 3120-00-145-2179 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 3120-00-145-2179 was assigned to the Federal Catalog?

It was assigned 54 years ago, on Sun, Sep 12, 1971