3120-00-288-4921

Find complete technical information, availability, and procurement data for: 3120-00-288-4921
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Federal Supply Group

Bearings

Federal Supply Classification

3120 Unmounted Plain Bearings

National Stock Number

3120-00-288-4921

Item Name Code

13205

Assigment Date

01/01/1961 (65 years ago)

0.4900 inches minimum and 0.5100 inches maximum flange outside diameter, 0.0630 inches nominal flange width, 0.3730 inches minimum and 0.3750 inches maximum body outside diameter, 0.3030 inches minimum and 0.3180 inches maximum overall length, 0.2090 inches minimum and 0.2290 inches maximum body inside 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: 0.3030 inches minimum and 0.3180 inches maximum
Body Outside Diameter: 0.3730 inches minimum and 0.3750 inches maximum
Body Inside Diameter: 0.2090 inches minimum and 0.2290 inches maximum
Flange Outside Diameter: 0.4900 inches minimum and 0.5100 inches maximum
Flange Width: 0.0630 inches nominal
Corner Shape: square left flange body corner
Corner Shape: square left flange outside right corner
Corner Shape: square outside left corner
Corner Shape: square inside left corner
Corner Shape: square inside right corner
Corner Shape: square outside right corner
Surface Finish: 125.0 microinches inside diameter surface of body
Surface Finish: 250.0 microinches left end surface of body and flange
Surface Finish: 250.0 microinches outside diameter surface of body
Surface Finish: 250.0 microinches outside diameter surface of flange
Surface Finish: 250.0 microinches right end surface of body
Surface Finish: 250.0 microinches right end surface of left flange
Material: copper alloy overall
Style Designator: solid, external flange one end

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
4B18-4-125	Sleeve Bearing

FAQs

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

What is the FSCG of the NSN 3120-00-288-4921?

The FSCG of the NSN 3120-00-288-4921 is 3120

Does the NSN 3120-00-288-4921 have a Schedule B code assigned?

Yes, the Schedule B code is 8482997090

Does NSN 3120-00-288-4921 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 3120-00-288-4921 contain precious materials?

Precious metal content is unknown

Does NSN 3120-00-288-4921 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 3120-00-288-4921 was assigned to the Federal Catalog?

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