03-653-06E-003

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Federal Supply Group

Bearings

Federal Supply Classification

3120 Unmounted Plain Bearings

National Stock Number

3120-00-727-5711

Item Name Code

13208

Assigment Date

01/01/1961 (65 years ago)

1.1870 inches minimum and 1.1875 inches maximum outer member outside diameter, 0.3745 inches minimum and 0.3750 inches maximum bore diameter, 0.6230 inches minimum and 0.6250 inches maximum inner member width, 34.0 rockwell c nominal outer race member hardness rating, 0.4950 inches minimum and 0.5050 inches maximum outer 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: 0.3745 inches minimum and 0.3750 inches maximum
Outer Member Outside Diameter: 1.1870 inches minimum and 1.1875 inches maximum
Outer Member Width: 0.4950 inches minimum and 0.5050 inches maximum
Inner Member Width: 0.6230 inches minimum and 0.6250 inches maximum
Hardness Rating: 34.0 rockwell c nominal outer race member
Hardness Rating: 56.0 rockwell c nominal inner member
Special Features: stabilized for operation at minus 65.0 deg f to plus 400.0 deg f,9.0 deg self alignment in either direction,rotational preload torque 5.4000 in. min to 10.8000 in. max lbs
Material: plastic polytetrafluoroethylene race liner
Material: steel comp 440c inner member
Material: steel comp 630 outer race member
Material: steel corrosion resisting race insert
Style Designator: with insert and/or liner

Replaces National Stock Numbers

Below is a list of NSNs that have been officially superseded by this NSN:

NSN	Name	Date
3120-00-978-2195	No Name Available	07/05/1968

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
03-031-06	Self-Aligning Plain Bearing
03-653-06E-003	Self-Aligning Plain Bearing

FAQs

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

What is the FSCG of the NSN 3120-00-727-5711?

The FSCG of the NSN 3120-00-727-5711 is 3120

Does the NSN 3120-00-727-5711 have a Schedule B code assigned?

Yes, the Schedule B code is 8482300040

Does NSN 3120-00-727-5711 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 3120-00-727-5711 contain precious materials?

Item does not contain precious metal.

Does NSN 3120-00-727-5711 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 3120-00-727-5711 was assigned to the Federal Catalog?

It was assigned 65 years ago, on Sun, Jan 1, 1961