3120-00-331-3640

Find complete technical information, availability, and procurement data for: 3120-00-331-3640
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Federal Supply Group

Bearings

Federal Supply Classification

3120 Unmounted Plain Bearings

National Stock Number

3120-00-331-3640

Item Name Code

13206

Assigment Date

12/16/1973 (52 years ago)

0.8813 inches minimum and 0.8818 inches maximum body outside diameter, square all corners corner shape, 43.0 rockwell c minimum and 46.0 rockwell c maximum overall hardness rating, 0.7440 inches minimum and 0.7445 inches maximum body inside diameter, 0.7350 inches minimum and 0.7400 inches maximum overall length

Product Characteristics

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

Overall Length: 0.7350 inches minimum and 0.7400 inches maximum
Body Outside Diameter: 0.8813 inches minimum and 0.8818 inches maximum
Body Inside Diameter: 0.7440 inches minimum and 0.7445 inches maximum
Corner Shape: square all corners
Hardness Rating: 43.0 rockwell c minimum and 46.0 rockwell c maximum overall
Surface Finish: 125.0 microinches left end surface of body
Surface Finish: 125.0 microinches right end surface of body
Surface Finish: 32.0 microinches inside diameter surface of body
Surface Finish: 32.0 microinches outside diameter surface of body
Material: steel comp 4340 overall
Surface Treatment: cadmium and chromate overall
Style Designator: solid, plain, no outside flanges
Test Data Document: "81349-mil-i-6868 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.)."

Replaces National Stock Numbers

Below is a list of NSNs that have been officially superseded by this NSN:

NSN	Name	Date
3120-00-817-7203	No Name Available	07/01/1989

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
A51B92338-15	Sleeve Bushing
A51B92338-411	Sleeve Bushing

FAQs

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

What is the FSCG of the NSN 3120-00-331-3640?

The FSCG of the NSN 3120-00-331-3640 is 3120

Does the NSN 3120-00-331-3640 have a Schedule B code assigned?

Yes, the Schedule B code is 8482997060

Does NSN 3120-00-331-3640 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 3120-00-331-3640 contain precious materials?

Item does not contain precious metal.

Does NSN 3120-00-331-3640 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 3120-00-331-3640 was assigned to the Federal Catalog?

It was assigned 52 years ago, on Sun, Dec 16, 1973