03-823-81E-003

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Federal Supply Group

Bearings

Federal Supply Classification

3120 Unmounted Plain Bearings

National Stock Number

3120-00-316-8121

Item Name Code

13208

Assigment Date

11/18/1973 (52 years ago)

185000 pounds static radial load rating, 5.9195 inches minimum and 5.9200 inches maximum outer member outside diameter, 1.3700 inches minimum and 1.3750 inches maximum inner member width, 1.1650 inches minimum and 1.1700 inches maximum outer member width, 5.0600 inches minimum and 5.0605 inches maximum bore diameter

Product Characteristics

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

Bore Diameter: 5.0600 inches minimum and 5.0605 inches maximum
Outer Member Outside Diameter: 5.9195 inches minimum and 5.9200 inches maximum
Outer Member Width: 1.1650 inches minimum and 1.1700 inches maximum
Inner Member Width: 1.3700 inches minimum and 1.3750 inches maximum
Static Radial Load Rating: 185000 pounds
Hardness Rating: 55.0 rockwell c minimum and 60.0 rockwell c maximum inner member
Hardness Rating: 26.0 rockwell c minimum and 35.0 rockwell c maximum outer race member
Material: plastic polytetrafluoroethylene race liner
Material: steel comp 440c inner member
Material: steel comp 630 outer race member
Style Designator: with insert and/or liner
Test Data Document: "81349-mil-i=6866 specification (includes engineering type bulletins, brochures,etc., that reflect specification type data in specification format; excludes commercial catalogs, industry directories, and similar trade publications, reflecting general type data on certain environmental and performance requirements and test conditions that are shown as "typical", "average", "nominal", etc.)."

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
03-823-81E-003	Self-Aligning Plain Bearing
4M286-81	Self-Aligning Plain Bearing
HSP81TL102	Self-Aligning Plain Bearing
KMDB81-1	Self-Aligning Plain Bearing
LDS81E-111	Self-Aligning Plain Bearing

FAQs

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

What is the FSCG of the NSN 3120-00-316-8121?

The FSCG of the NSN 3120-00-316-8121 is 3120

Does the NSN 3120-00-316-8121 have a Schedule B code assigned?

Yes, the Schedule B code is 8482300040

Does NSN 3120-00-316-8121 require demilitarization?

"commerce control list items (ccli) - mut to the point of scrap required outside the united states. Inside the united states, mut is required when the demil integrity code (ic) is "3" and mut is not required when the demic is "6" (note 8)"

Does NSN 3120-00-316-8121 contain precious materials?

Precious metal content is unknown

Does NSN 3120-00-316-8121 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 3120-00-316-8121 was assigned to the Federal Catalog?

It was assigned 52 years ago, on Sun, Nov 18, 1973