3120-01-304-7924

Find complete technical information, availability, and procurement data for: 3120-01-304-7924
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Federal Supply Group

Bearings

Federal Supply Classification

3120 Unmounted Plain Bearings

National Stock Number

3120-01-304-7924

Item Name Code

13205

Assigment Date

07/27/1989 (37 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 outside left corner corner shape, 2.2380 inches minimum and 2.2400 inches maximum body outside diameter, 2.1864 inches minimum and 2.1874 inches maximum body inside diameter, 0.6600 inches nominal overall length, chamfered outside right corner corner shape

Product Characteristics

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

Overall Length: 0.6600 inches nominal
Body Outside Diameter: 2.2380 inches minimum and 2.2400 inches maximum
Body Inside Diameter: 2.1864 inches minimum and 2.1874 inches maximum
Corner Shape: chamfered outside right corner
Corner Shape: square outside left corner
Corner Shape: square inside left corner
Corner Shape: square inside right corner
Hardness Rating: 26.0 rockwell c minimum and 33.0 rockwell c maximum overall
Surface Finish: 30.0 microinches overall
Special Features: before crome plate,nickel plate per qq-n-290
Material: steel comp 4320 or steel comp 4130 or steel comp 4340 or steel comp 8620 overall
Material Document And Classification: astm a519 assn std 1st material response or mil-t-6736,cond a or cond n mil spec 2nd material response or mil-s-6758 condd mil spec 2nd material response or ams 6371 assn std 2nd material response or ams 6415 assn std 3rd material response or mil-s-5000,cond c mil spec 3rd material response overall
Precious Material And Location: inside diameter of body silver
Precious Material: silver
Surface Treatment: silver inside diameter surface of body
Surface Treatment: chromium outside diameter surface of body
Surface Treatment Document And Classification: qq-c-320,class 2 fed spec single treatment response outside diameter surface of body
Style Designator: solid, 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
70357-06111-101	Sleeve Bearing

FAQs

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

What is the FSCG of the NSN 3120-01-304-7924?

The FSCG of the NSN 3120-01-304-7924 is 3120

Does the NSN 3120-01-304-7924 have a Schedule B code assigned?

Yes, the Schedule B code is 8482997090

Does NSN 3120-01-304-7924 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 3120-01-304-7924 contain precious materials?

Item contains silver.

Does NSN 3120-01-304-7924 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 3120-01-304-7924 was assigned to the Federal Catalog?

It was assigned 37 years ago, on Thu, Jul 27, 1989