406-203-1

View detailed technical data, stock status, and sourcing information for: 406-203-1
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Federal Supply Group

Bearings

Federal Supply Classification

3120 Unmounted Plain Bearings

National Stock Number

3120-00-244-2735

Item Name Code

13206

Assigment Date

01/05/1972 (54 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.

0.1030 inches minimum and 0.1050 inches maximum body inside diameter, 0.0100 inches minimum and 0.0200 inches maximum flange width, 0.1780 inches minimum and 0.1850 inches maximum overall length, 0.1200 inches minimum and 0.1300 inches maximum body outside diameter, 0.1510 inches minimum and 0.1610 inches maximum flange 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: 0.1780 inches minimum and 0.1850 inches maximum
Body Outside Diameter: 0.1200 inches minimum and 0.1300 inches maximum
Body Inside Diameter: 0.1030 inches minimum and 0.1050 inches maximum
Flange Outside Diameter: 0.1510 inches minimum and 0.1610 inches maximum
Flange Width: 0.0100 inches minimum and 0.0200 inches maximum
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: 63.0 microinches intermediate layer
Material: copper alloy overall
Material Document And Classification: qq-b-626 fed spec single material response overall
Surface Treatment: nickel overall
Surface Treatment Document And Classification: qq-n-290 fed spec single treatment response 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
406-203-1	Sleeve Bushing

FAQs

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

What is the FSCG of the NSN 3120-00-244-2735?

The FSCG of the NSN 3120-00-244-2735 is 3120

Does the NSN 3120-00-244-2735 have a Schedule B code assigned?

Yes, the Schedule B code is 8482997060

Does NSN 3120-00-244-2735 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 3120-00-244-2735 contain precious materials?

Item does not contain precious metal.

Does NSN 3120-00-244-2735 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 3120-00-244-2735 was assigned to the Federal Catalog?

It was assigned 54 years ago, on Wed, Jan 5, 1972