3120-00-611-6821

Find complete technical information, availability, and procurement data for: 3120-00-611-6821
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Federal Supply Group

Bearings

Federal Supply Classification

3120 Unmounted Plain Bearings

National Stock Number

3120-00-611-6821

Item Name Code

13205

Assigment Date

01/01/1963 (63 years ago)

A cylindrical item with or without flange(s), designed to be inserted in a pump casing or secured to the impeller of a centrifugal pump. It is used for the purpose of providing a close running clearance between the impeller and casing in order to prevent or overcome leakage due to erosion. It may also be used as a diffuser ring in the suction and discharge throats of valves.

6.5000 inches nominal overall length, 2.2500 inches minimum and 2.2510 inches maximum body inside diameter, 125.0 microinches overall surface finish, 2.9990 inches minimum and 3.0000 inches maximum body 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: 6.5000 inches nominal
Body Outside Diameter: 2.9990 inches minimum and 3.0000 inches maximum
Body Inside Diameter: 2.2500 inches minimum and 2.2510 inches maximum
Surface Finish: 125.0 microinches overall

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
CS6116821	Sleeve Bearing
R489PC21	Sleeve Bearing
R490REVAPC21	Sleeve Bearing
R536REVAITEM2	Sleeve Bearing

FAQs

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

What is the FSCG of the NSN 3120-00-611-6821?

The FSCG of the NSN 3120-00-611-6821 is 3120

Does the NSN 3120-00-611-6821 have a Schedule B code assigned?

Yes, the Schedule B code is 8482997090

Does NSN 3120-00-611-6821 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 3120-00-611-6821 contain precious materials?

Precious metal content is unknown

Does NSN 3120-00-611-6821 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 3120-00-611-6821 was assigned to the Federal Catalog?

It was assigned 63 years ago, on Tue, Jan 1, 1963