3120-01-224-3911

Find complete technical information, availability, and procurement data for: 3120-01-224-3911
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Federal Supply Group

Bearings

Federal Supply Classification

3120 Unmounted Plain Bearings

National Stock Number

3120-01-224-3911

Item Name Code

13208

Assigment Date

01/15/1986 (40 years ago)

A detachable assembly in or on which a journal, gudgeon, pivot, or the like moves. It is used to carry a load and to reduce sliding friction. It does not employ rolling elements. The item consists of a bored precision ground ball (or spherical plain bearing) around which an outer ring is fitted. The assembly may be either separable or nonseparable. Excludes:bearing, plain, rod end and bearing, plain, spherical.

0.2498 inches minimum and 0.2502 inches maximum bore diameter, 0.9130 inches minimum and 0.9170 inches maximum outer member outside diameter, 0.3600 inches minimum and 0.3800 inches maximum outer member width, 35.0 rockwell c nominal outer race member hardness rating, 0.5880 inches minimum and 0.5930 inches maximum inner member width

Product Characteristics

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

Bore Diameter: 0.2498 inches minimum and 0.2502 inches maximum
Outer Member Outside Diameter: 0.9130 inches minimum and 0.9170 inches maximum
Outer Member Width: 0.3600 inches minimum and 0.3800 inches maximum
Inner Member Width: 0.5880 inches minimum and 0.5930 inches maximum
Hardness Rating: 35.0 rockwell c nominal outer race member
Hardness Rating: 37.0 rockwell c nominal inner member
Special Features: staking groove one side; v-shape flange other side 0.0452; used on tf39engine
Material: cobalt comp 6 inner member
Material: steel comp xm-12 outer race member
Material Document And Classification: ams 5387 assn std single material response inner member
Material Document And Classification: ams 5659 assn std single material response outer race member
Style Designator: without insert or liner

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
1327M98P01	Self-Aligning Plain Bearing
P21440	Self-Aligning Plain Bearing

FAQs

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

What is the FSCG of the NSN 3120-01-224-3911?

The FSCG of the NSN 3120-01-224-3911 is 3120

Does the NSN 3120-01-224-3911 have a Schedule B code assigned?

Yes, the Schedule B code is 8482300040

Does NSN 3120-01-224-3911 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 3120-01-224-3911 contain precious materials?

Item does not contain precious metal.

Does NSN 3120-01-224-3911 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 3120-01-224-3911 was assigned to the Federal Catalog?

It was assigned 40 years ago, on Wed, Jan 15, 1986