M81934/2-07A008

View detailed technical data, stock status, and sourcing information for: M81934/2-07A008
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Federal Supply Group

Bearings

Federal Supply Classification

3120 Unmounted Plain Bearings

National Stock Number

3120-01-187-8954

Item Name Code

13205

Assigment Date

08/27/1984 (41 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.

0.9170 inches minimum and 0.9370 inches maximum flange outside diameter, 0.0580 inches minimum and 0.0630 inches maximum flange width, 0.4380 inches minimum and 0.4390 inches maximum body inside diameter, 0.0250 inches nominal overall length, 0.5633 inches minimum and 0.5643 inches maximum body outside diameter

Product Characteristics

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

Overall Length: 0.0250 inches nominal
Body Outside Diameter: 0.5633 inches minimum and 0.5643 inches maximum
Body Inside Diameter: 0.4380 inches minimum and 0.4390 inches maximum
Flange Outside Diameter: 0.9170 inches minimum and 0.9370 inches maximum
Flange Width: 0.0580 inches minimum and 0.0630 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
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
Special Features: plastic liner bonded to left end surface of flange
Material: aluminum alloy 2024 outer layer
Material: plastic polytetrafluoroethylene inner layer
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
Surface Treatment: chromate outer layer
Surface Treatment Document And Classification: mil-c-5541 mil spec single treatment response outer layer
Style Designator: solid, external flange one end
Specification/Standard Data: 43999-ld131-0025 manufacturers standard

Replaces National Stock Numbers

Below is a list of NSNs that have been officially superseded by this NSN:

NSN	Name	Date
3120-00-409-2866	No Name Available	02/01/1998

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
LD131-0025-0708	Sleeve Bearing
M81934/2-07A008	Sleeve Bearing

FAQs

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

What is the FSCG of the NSN 3120-01-187-8954?

The FSCG of the NSN 3120-01-187-8954 is 3120

Does the NSN 3120-01-187-8954 have a Schedule B code assigned?

Yes, the Schedule B code is 8482997090

Does NSN 3120-01-187-8954 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 3120-01-187-8954 contain precious materials?

Item does not contain precious metal.

Does NSN 3120-01-187-8954 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 3120-01-187-8954 was assigned to the Federal Catalog?

It was assigned 41 years ago, on Mon, Aug 27, 1984