AT4544DD6-026

View detailed technical data, stock status, and sourcing information for: AT4544DD6-026
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Federal Supply Group

Bearings

Federal Supply Classification

3120 Unmounted Plain Bearings

National Stock Number

3120-00-406-0581

Item Name Code

13205

Assigment Date

04/14/1971 (55 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.

125.0 microinches inside diameter surface of body surface finish, square all corners corner shape, 0.3750 inches minimum and 0.3760 inches maximum body inside diameter, 0.5008 inches minimum and 0.5013 inches maximum body outside diameter, 0.2550 inches minimum and 0.2650 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: 0.2550 inches minimum and 0.2650 inches maximum
Body Outside Diameter: 0.5008 inches minimum and 0.5013 inches maximum
Body Inside Diameter: 0.3750 inches minimum and 0.3760 inches maximum
Corner Shape: square all corners
Surface Finish: 125.0 microinches inside diameter surface of body
Surface Finish: 125.0 microinches right end surface of body
Surface Finish: 63.0 microinches outside diameter surface of body
Material: aluminum alloy 2024 outer layer
Material: plastic polytetrafluoroethylene inner layer
Material Document And Classification: qq-a-200/3,alloy 2024,t4 fed spec 1st material response outer layer
Surface Treatment: anodize or chromate outer layer
Surface Treatment Document And Classification: mil-a-8625 mil spec single treatment response or mil-c-5541 mil spec single treatment response outer layer
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
90986-06-026	Sleeve Bearing
AT4544DD6-026	Sleeve Bearing
C4544DD6-026	Sleeve Bearing
GDRDD6-026	Sleeve Bearing

FAQs

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

What is the FSCG of the NSN 3120-00-406-0581?

The FSCG of the NSN 3120-00-406-0581 is 3120

Does the NSN 3120-00-406-0581 have a Schedule B code assigned?

Yes, the Schedule B code is 8482997090

Does NSN 3120-00-406-0581 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 3120-00-406-0581 contain precious materials?

Item does not contain precious metal.

Does NSN 3120-00-406-0581 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 3120-00-406-0581 was assigned to the Federal Catalog?

It was assigned 55 years ago, on Wed, Apr 14, 1971