3120-00-490-6157

Find complete technical information, availability, and procurement data for: 3120-00-490-6157
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Federal Supply Group

Bearings

Federal Supply Classification

3120 Unmounted Plain Bearings

National Stock Number

3120-00-490-6157

Item Name Code

13205

Assigment Date

09/24/1969 (56 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.

0.1875 inches nominal first hole diameter, 2.3750 inches nominal overall length, 3.0050 inches nominal body inside diameter, square all corners corner shape, 4.2510 inches nominal 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.

Hole Diameter: 0.1875 inches nominal first
Overall Length: 2.3750 inches nominal
Body Outside Diameter: 4.2510 inches nominal
Body Inside Diameter: 3.0050 inches nominal
Corner Shape: square all corners
Surface Finish: 16.0 microinches inside diameter surface of body
Surface Finish: 32.0 microinches outside diameter surface of body
Antirotation/Lubrication Type And Quantity: 3 hole
Material: oil lubricating lubrication
Material: steel comp 1018 outer layer
Material: tin alloy uns l13890 inner layer
Material Document And Classification: qq-s-634,comp 1018 fed spec 1st material response outer layer
Material Document And Classification: qq-t-390,grade 2 fed spec 2nd material response inner layer
Style Designator: segmented, 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
LB110088	Sleeve Bearing

FAQs

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

What is the FSCG of the NSN 3120-00-490-6157?

The FSCG of the NSN 3120-00-490-6157 is 3120

Does the NSN 3120-00-490-6157 have a Schedule B code assigned?

Yes, the Schedule B code is 8482997090

Does NSN 3120-00-490-6157 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 3120-00-490-6157 contain precious materials?

Item does not contain precious metal.

Does NSN 3120-00-490-6157 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 3120-00-490-6157 was assigned to the Federal Catalog?

It was assigned 56 years ago, on Wed, Sep 24, 1969