M81934/2-20A018

Comprehensive specifications and application details for: M81934/2-20A018 Sleeve Bearing.

Summary

Explore detailed summary information for bearing: M81934/2-20A018. Includes NSN, classification group, and identification codes to support sourcing, compliance, and accurate part tracking.

Part Number
M81934/2-20A018
Federal Supply Classification
3120 Unmounted Plain Bearings
(NSN) National Stock Number
3120-00-553-2515
Item Name Code
13205
Federal Item Identification Guide
A045A0
Assigment Date
10/30/1974

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.

1.2505 inches minimum and 1.2515 inches maximum body inside diameter, square inside left corner corner shape, square outside left corner corner shape, square left flange outside right corner corner shape, 1.4393 inches minimum and 1.4403 inches maximum body outside diameter

Datasheet

Below are the comprehensive technical specifications for bearing: 3120-00-553-2515 . Find dimensions, materials, tolerances, performance characteristics, etc.

Body Inside Diameter
1.2505 inches minimum and 1.2515 inches maximum
Body Outside Diameter
1.4393 inches minimum and 1.4403 inches maximum
Corner Shape
square left flange outside right corner
Corner Shape
square outside left corner
Corner Shape
square inside left corner
Corner Shape
square inside right corner
Corner Shape
square outside right corner
Corner Shape
undercut left flange body corner
Flange Outside Diameter
1.9800 inches minimum and 2.0000 inches maximum
Flange Width
0.0887 inches minimum and 0.0937 inches maximum
Overall Length
0.6412 inches minimum and 0.6562 inches maximum
Material Document And Classification
qq-a-200/3,t8511 fed spec single material response or qq-a-225/6,t851 fed spec single material response outer layer
Material
aluminum alloy 2024 outer layer
Material
plastic polytetrafluoroethylene inner layer
Special Features
plastic,polytetrafluoroethylene liner bonded to left end surface of flange
Style Designator
solid, external flange one end
Surface Finish
125.0 microinches inside diameter surface of body
Surface Finish
125.0 microinches outside diameter surface of flange
Surface Finish
125.0 microinches left end surface of body and flange
Surface Finish
125.0 microinches right end surface of body
Surface Finish
125.0 microinches right end surface of left flange
Surface Finish
63.0 microinches outside diameter surface of body
Surface Treatment Document And Classification
mil-a-8625,type 1 or type 2 mil spec single treatment response or mil-c-5541 mil spec single treatment response outer layer
Surface Treatment
anodize or chromate outer layer

Frequently Asked Questions

Find quick answers to common questions about bearing: M81934/2-20A018. Explore technical specifications, installation tips, maintenance guidelines, regulatory requirements, and troubleshooting advice.

What is the FSCG of the NSN 3120-00-553-2515?
The FSCG of the NSN 3120-00-553-2515 is 3120
Does the NSN 3120-00-553-2515 have a Schedule B code assigned?
Yes, the Schedule B code is 8482997090
Does NSN 3120-00-553-2515 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 3120-00-553-2515 contain precious materials?
Precious metal content is unknown
Does NSN 3120-00-553-2515 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 3120-00-553-2515 was assigned to the Federal Catalog?
It was assigned 50 years ago, on Wed, Oct 30, 1974

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