AT21128

Comprehensive specifications and application details for: AT21128 Sleeve Bearing.

Summary

Explore detailed summary information for bearing: AT21128. Includes NSN, classification group, and identification codes to support sourcing, compliance, and accurate part tracking.

Part Number
AT21128
Federal Supply Classification
3120 Unmounted Plain Bearings
(NSN) National Stock Number
3120-01-119-8992
Item Name Code
13205
Federal Item Identification Guide
A045A0
Assigment Date
10/07/1981

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.

1.1860 inches nominal overall length, square all corners corner shape, 2.9005 inches nominal body outside diameter, aluminum alloy inner layer material, 2.7200 inches nominal body inside diameter

Datasheet

Below are the comprehensive technical specifications for bearing: 3120-01-119-8992 . Find dimensions, materials, tolerances, performance characteristics, etc.

Body Inside Diameter
2.7200 inches nominal
Body Outside Diameter
2.9005 inches nominal
Corner Shape
square all corners
Overall Length
1.1860 inches nominal
Material
aluminum alloy inner layer
Material
steel outer layer
Special Features
0.0300 in. undersize bore; lubrication provisions to meet engine manufacturers specifications
Style Designator
segmented, plain, no outside flanges
Surface Treatment
tin overall

Frequently Asked Questions

Find quick answers to common questions about bearing: AT21128. Explore technical specifications, installation tips, maintenance guidelines, regulatory requirements, and troubleshooting advice.

What is the FSCG of the NSN 3120-01-119-8992?
The FSCG of the NSN 3120-01-119-8992 is 3120
Does the NSN 3120-01-119-8992 have a Schedule B code assigned?
Yes, the Schedule B code is 8482997090
Does NSN 3120-01-119-8992 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 3120-01-119-8992 contain precious materials?
Item does not contain precious metal.
Does NSN 3120-01-119-8992 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 3120-01-119-8992 was assigned to the Federal Catalog?
It was assigned 43 years ago, on Wed, Oct 7, 1981

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