4023G55 PIECE 8

View detailed technical data, stock status, and sourcing information for: 4023G55 PIECE 8
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Federal Supply Group

Bearings

Federal Supply Classification

3120 Unmounted Plain Bearings

National Stock Number

3120-01-042-0556

Item Name Code

13205

Assigment Date

06/06/1977 (49 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.

20.0000 inches nominal flange outside diameter, 10.6200 inches nominal overall length, 15.0230 inches minimum and 15.0250 inches maximum body inside diameter, 17.9990 inches minimum and 18.0010 inches maximum body outside diameter, 0.7500 inches nominal flange width

Product Characteristics

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

Overall Length: 10.6200 inches nominal
Body Outside Diameter: 17.9990 inches minimum and 18.0010 inches maximum
Body Inside Diameter: 15.0230 inches minimum and 15.0250 inches maximum
Flange Outside Diameter: 20.0000 inches nominal
Flange Width: 0.7500 inches nominal
Corner Shape: chamfered outside right corner
Corner Shape: chamfered inside left corner
Corner Shape: chamfered inside right corner
Corner Shape: chamfered outside left corner
Corner Shape: square left flange body corner
Corner Shape: square left flange outside right corner
Surface Finish: 250.0 microinches left end surface of body and flange
Surface Finish: 250.0 microinches outside diameter surface of flange
Surface Finish: 250.0 microinches right end surface of body
Surface Finish: 250.0 microinches right end surface of left flange
Surface Finish: 32.0 microinches inside diameter surface of body
Surface Finish: 63.0 microinches outside diameter surface of body
Material: steel uns k02001 outer layer
Material: tin alloy uns l13840 inner layer
Material Document And Classification: qq-s-691 class a/d/ fed spec 1st material response outer layer
Material Document And Classification: qq-t-390 grade 3 fed spec 2nd material response inner layer
Style Designator: segmented, 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
4023G55 PIECE 8	Sleeve Bearing
4023G55-008	Sleeve Bearing

FAQs

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

What is the FSCG of the NSN 3120-01-042-0556?

The FSCG of the NSN 3120-01-042-0556 is 3120

Does the NSN 3120-01-042-0556 have a Schedule B code assigned?

Yes, the Schedule B code is 8482997090

Does NSN 3120-01-042-0556 require demilitarization?

"commerce control list items (ccli) - mut to the point of scrap required outside the united states. Inside the united states, mut is required when the demil integrity code (ic) is "3" and mut is not required when the demic is "6" (note 8)"

Does NSN 3120-01-042-0556 contain precious materials?

Item does not contain precious metal.

Does NSN 3120-01-042-0556 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 3120-01-042-0556 was assigned to the Federal Catalog?

It was assigned 49 years ago, on Mon, Jun 6, 1977