3120-00-341-4379

Find complete technical information, availability, and procurement data for: 3120-00-341-4379
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Federal Supply Group

Bearings

Federal Supply Classification

3120 Unmounted Plain Bearings

National Stock Number

3120-00-341-4379

Item Name Code

13205

Assigment Date

01/01/1963 (63 years ago)

A thin flat metal or plastic item of various peripheral shapes having a solid or laminated cross-section. It is designed to maintain a predetermined distance between two surfaces. For round items without a hole and having a solid rectangular cross-section use disk, solid, plain. Items with either (1) a solid (not laminated) cross-section, or (2) a non-separable laminated cross-section with one hole centrally located, must have a thickness less than 0.006 inch (0.152 mm) for items less than 1/4 inch (6.35 mm) outside diameter or shortest distance across peripheral flats, and less than 0.016 inch (0.406 mm) for items 1/4 inch (6.35 mm) or more outside diameter, or shortest distance across peripheral flats. For items with thickness greater than those indicated above, see spacer, plate; washer, flat and spacer, ring. When thickness and/or outside diameter or shortest distance across peripheral flats is designated as a tolerance dimension, the maximum dimension will be used to determine compliance. See also shim stock, laminated; shim stock assortment, gasket; and bearing, washer, thrust.

0.5080 inches minimum and 0.5100 inches maximum overall length, square all corners corner shape, 12.0 rockwell b minimum and 91.0 rockwell b maximum overall hardness rating, 0.6780 inches minimum and 0.6800 inches maximum body outside diameter, 0.3765 inches minimum and 0.3770 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: 0.5080 inches minimum and 0.5100 inches maximum
Body Outside Diameter: 0.6780 inches minimum and 0.6800 inches maximum
Body Inside Diameter: 0.3765 inches minimum and 0.3770 inches maximum
Corner Shape: square all corners
Hardness Rating: 12.0 rockwell b minimum and 91.0 rockwell b maximum overall
Surface Finish: 125.0 microinches inside diameter surface of body
Surface Finish: 125.0 microinches outside diameter surface of body
Surface Finish: 125.0 microinches left end surface of body
Surface Finish: 125.0 microinches right end surface of body
Material: copper alloy 260 overall
Style Designator: split, plain, no outside flanges

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
370079	Sleeve Bearing

FAQs

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

What is the FSCG of the NSN 3120-00-341-4379?

The FSCG of the NSN 3120-00-341-4379 is 3120

Does the NSN 3120-00-341-4379 have a Schedule B code assigned?

Yes, the Schedule B code is 8482997090

Does NSN 3120-00-341-4379 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 3120-00-341-4379 contain precious materials?

Precious metal content is unknown

Does NSN 3120-00-341-4379 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 3120-00-341-4379 was assigned to the Federal Catalog?

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