M81934/2-07A012

View detailed technical data, stock status, and sourcing information for: M81934/2-07A012
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Federal Supply Group

Bearings

Federal Supply Classification

3120 Unmounted Plain Bearings

National Stock Number

3120-01-187-8955

Item Name Code

13205

Assigment Date

08/27/1984 (41 years ago)

A standoff that must have a threaded end(s) or be internally threaded its full length. For items having external threads on both ends, see stud (as modified). For items with an outside contour that is the same for the entire length, are flat on top and bottom, having internal threads its full length, and the length does not exceed twice the width across the flats or outside diameter, see nut (as modified); use maximum dimensions(s) for compliance.

0.4225 inches minimum and 0.4375 inches maximum overall length, 0.4380 inches minimum and 0.4390 inches maximum body inside diameter, 0.0575 inches minimum and 0.0625 inches maximum flange width, 0.5633 inches minimum and 0.5643 inches maximum body outside diameter, 0.9170 inches minimum and 0.9370 inches maximum flange 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: 0.4225 inches minimum and 0.4375 inches maximum
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: 0.0575 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
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

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
M81934/2-07A012	Sleeve Bearing

FAQs

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

What is the FSCG of the NSN 3120-01-187-8955?

The FSCG of the NSN 3120-01-187-8955 is 3120

Does the NSN 3120-01-187-8955 have a Schedule B code assigned?

Yes, the Schedule B code is 8482997090

Does NSN 3120-01-187-8955 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 3120-01-187-8955 contain precious materials?

Item does not contain precious metal.

Does NSN 3120-01-187-8955 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 3120-01-187-8955 was assigned to the Federal Catalog?

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