M81934/2-08A012

View detailed technical data, stock status, and sourcing information for: M81934/2-08A012
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Federal Supply Group

Bearings

Federal Supply Classification

3120 Unmounted Plain Bearings

National Stock Number

3120-01-238-1898

Item Name Code

13205

Assigment Date

08/12/1986 (39 years ago)

"a device with means other than fuses for automatically opening the circuit in which it is installed when the current varies from the predetermined value for which the device is set. May include provisions for manual operation. At least one set of contacts must be in series with the actuating element(s). A combination of semiconductor and passive devices may be used in lieu of contacts. For automatically operated items in which the actuating (tripping) element and contacts are not in series, see relay (as modified). For items which are operated both manually and automatically but the actuating elements and contact are not in series, see relay-switch. Excludes:circuit breaker box and magneto "breaker" assemblies. See also switch (as modified); and controller."

0.5005 inches minimum and 0.5015 inches maximum body inside diameter, 0.0575 inches minimum and 0.0625 inches maximum flange width, 0.4225 inches minimum and 0.4375 inches maximum overall length, 0.6260 inches minimum and 0.6270 inches maximum body outside diameter, 0.9800 inches minimum and 1.0000 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: 0.6260 inches minimum and 0.6270 inches maximum
Body Inside Diameter: 0.5005 inches minimum and 0.5015 inches maximum
Flange Outside Diameter: 0.9800 inches minimum and 1.0000 inches maximum
Flange Width: 0.0575 inches minimum and 0.0625 inches maximum
Corner Shape: square all corners
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 polyurethane inner layer
Material Document And Classification: mil-a200/3,t8511 fed spec 1st material response or qq-a-225/6,t851 fed spec 2nd 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

Replaces National Stock Numbers

Below is a list of NSNs that have been officially superseded by this NSN:

NSN	Name	Date
3120-00-404-1675	No Name Available	06/01/2007

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
103-0108-012	Sleeve Bearing
ADLF08A12	Sleeve Bearing
KDJ08A012-241	Sleeve Bearing
M81934/2-08A012	Sleeve Bearing
MS21241-08A012	Sleeve Bearing

FAQs

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

What is the FSCG of the NSN 3120-01-238-1898?

The FSCG of the NSN 3120-01-238-1898 is 3120

Does the NSN 3120-01-238-1898 have a Schedule B code assigned?

Yes, the Schedule B code is 8482997090

Does NSN 3120-01-238-1898 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 3120-01-238-1898 contain precious materials?

Item does not contain precious metal.

Does NSN 3120-01-238-1898 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 3120-01-238-1898 was assigned to the Federal Catalog?

It was assigned 39 years ago, on Tue, Aug 12, 1986