M81934/2-10A020

View detailed technical data, stock status, and sourcing information for: M81934/2-10A020
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Federal Supply Group

Bearings

Federal Supply Classification

3120 Unmounted Plain Bearings

National Stock Number

3120-01-121-8575

Item Name Code

13205

Assigment Date

11/10/1981 (44 years ago)

A tubular shaped unthreaded item with or without a flange at one end designed to be inserted into a hole to reduce the inside diameter of the hole and to protect the surrounding body structure from damage resulting from stress, strain, and/or vibration. The overall length must exceed 25 percent of the outside diameter or the shortest distance between peripheral flats of the body. Includes items which are divided into two or more segments which includes 180 degrees (3.141 radians) or less of the bearing periphery. For items made of rubber, see bushing, nonmetallic. See also bearing, sleeve; bushing, tapered; spacer, sleeve; insulator, bushing; and bushing, electrical conductor. Excludes:bushing, drill, jig.

1.2300 inches minimum and 1.2500 inches maximum flange outside diameter, 0.8137 inches minimum and 0.8147 inches maximum body outside diameter, 0.6725 inches minimum and 0.6875 inches maximum overall length, 0.0575 inches minimum and 0.0625 inches maximum flange width, 0.6250 inches minimum and 0.6265 inches maximum body inside 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: 0.6725 inches minimum and 0.6875 inches maximum
Body Outside Diameter: 0.8137 inches minimum and 0.8147 inches maximum
Body Inside Diameter: 0.6250 inches minimum and 0.6265 inches maximum
Flange Outside Diameter: 1.2300 inches minimum and 1.2500 inches maximum
Flange Width: 0.0575 inches minimum and 0.0625 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
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
Style Designator: solid, external 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
M81934/2-10A020	Sleeve Bearing

FAQs

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

What is the FSCG of the NSN 3120-01-121-8575?

The FSCG of the NSN 3120-01-121-8575 is 3120

Does the NSN 3120-01-121-8575 have a Schedule B code assigned?

Yes, the Schedule B code is 8482997090

Does NSN 3120-01-121-8575 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 3120-01-121-8575 contain precious materials?

Item does not contain precious metal.

Does NSN 3120-01-121-8575 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 3120-01-121-8575 was assigned to the Federal Catalog?

It was assigned 44 years ago, on Tue, Nov 10, 1981