4553743 ITEM 7

View detailed technical data, stock status, and sourcing information for: 4553743 ITEM 7
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Federal Supply Group

Bearings

Federal Supply Classification

3120 Unmounted Plain Bearings

National Stock Number

3120-01-285-0554

Item Name Code

13205

Assigment Date

09/04/1988 (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.

0.3750 inches nominal flange width, 6.7500 inches nominal flange outside diameter, 6.1875 inches nominal body outside diameter, 0.7500 inches nominal first hole diameter, 3.7500 inches nominal overall length

Product Characteristics

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

Hole Diameter: 0.7500 inches nominal first
Overall Length: 3.7500 inches nominal
Body Outside Diameter: 6.1875 inches nominal
Flange Outside Diameter: 6.7500 inches nominal
Flange Width: 0.3750 inches nominal
Left Internal Flange Hole Diameter: 5.4370 inches nominal
Corner Shape: chamfered outside right corner
Corner Shape: round inside right corner
Corner Shape: round left flange body corner
Corner Shape: square left flange outside right corner
Corner Shape: square outside left corner
Corner Shape: square inside left corner
Surface Finish: 63.0 microinches inside diameter surface of body
Surface Finish: 63.0 microinches outside diameter surface of body
Antirotation/Lubrication Type And Quantity: 8 hole
Material: copper alloy 955 overall
Material Document And Classification: mil-b-21230,class 1 mil spec single material response overall
Style Designator: solid, external flange one end, internal 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
4553743 ITEM 7	Sleeve Bearing
6110-128 ITEM 7	Sleeve Bearing

FAQs

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

What is the FSCG of the NSN 3120-01-285-0554?

The FSCG of the NSN 3120-01-285-0554 is 3120

Does the NSN 3120-01-285-0554 have a Schedule B code assigned?

Yes, the Schedule B code is 8482997090

Does NSN 3120-01-285-0554 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 3120-01-285-0554 contain precious materials?

Item does not contain precious metal.

Does NSN 3120-01-285-0554 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 3120-01-285-0554 was assigned to the Federal Catalog?

It was assigned 37 years ago, on Sun, Sep 4, 1988