3120-00-394-3021

Find complete technical information, availability, and procurement data for: 3120-00-394-3021
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Federal Supply Group

Bearings

Federal Supply Classification

3120 Unmounted Plain Bearings

National Stock Number

3120-00-394-3021

Item Name Code

13206

Assigment Date

01/01/1963 (63 years ago)

2.3750 inches minimum and 2.3760 inches maximum body inside diameter, 4.0120 inches minimum and 4.0190 inches maximum body outside diameter, 3.4400 inches minimum and 3.4450 inches maximum overall length, chamfered inside left corner corner shape, grooved circular lubricant accommodation style

Product Characteristics

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

Overall Length: 3.4400 inches minimum and 3.4450 inches maximum
Body Outside Diameter: 4.0120 inches minimum and 4.0190 inches maximum
Body Inside Diameter: 2.3750 inches minimum and 2.3760 inches maximum
Lubricant Accommodation Style: grooved circular
Corner Shape: chamfered inside left corner
Corner Shape: chamfered inside right corner
Corner Shape: square outside left corner
Corner Shape: square outside right corner
Features Provided: casehardened
Hardness Rating: 60.0 rockwell c minimum and 64.0 rockwell c maximum overall
Surface Groove Location And Quantity: 2 external
Keyway Dimension: 0.4990 inches minimum and 0.5130 inches maximum internal keyway width
Material: steel comp 4620h or steel comp 8620h or steel comp 8720h overall
Material Document And Classification: astm a304 assn std all material responses or sae assn std all material responses overall
Style Designator: solid, plain, no outside flanges

Replaces National Stock Numbers

Below is a list of NSNs that have been officially superseded by this NSN:

NSN	Name	Date
2520-00-563-5520	No Name Available	01/01/1963

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
1874L64	Sleeve Bushing
7375255	Sleeve Bushing

FAQs

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

What is the FSCG of the NSN 3120-00-394-3021?

The FSCG of the NSN 3120-00-394-3021 is 3120

Does the NSN 3120-00-394-3021 have a Schedule B code assigned?

Yes, the Schedule B code is 8482997060

Does NSN 3120-00-394-3021 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 3120-00-394-3021 contain precious materials?

Item does not contain precious metal.

Does NSN 3120-00-394-3021 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 3120-00-394-3021 was assigned to the Federal Catalog?

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