3120-00-540-4949

Find complete technical information, availability, and procurement data for: 3120-00-540-4949
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Federal Supply Group

Bearings

Federal Supply Classification

3120 Unmounted Plain Bearings

National Stock Number

3120-00-540-4949

Item Name Code

13206

Assigment Date

01/01/1963 (63 years ago)

A tubular shaped item with a round or hexagon peripheral shape having two flat bearing surfaces perpendicular to the axis of the centrally located hole. It is designed to maintain a predetermined distance between assembled parts. The item may be with or without flange(s) of any peripheral shape. The overall length must exceed 25 percent of the outside diameter or distance across peripheral flats of the body. (when the length, outside diameter, and/or distance across peripheral flats are designed as a tolerance, the maximum dimension will be used to determine compliance). For items having other than a round or hexagon peripheral shape, see spacer, plate. Excludes:items with lubricating features, see bearing, sleeve and bushing, sleeve. See also bushing, tapered; spacer, ring; washer, flat; and washer, (as modified).

0.0950 inches minimum and 0.1000 inches maximum flange width, 0.4970 inches minimum and 0.5030 inches maximum flange outside diameter, 0.3730 inches minimum and 0.3740 inches maximum body outside diameter, 0.1790 inches minimum and 0.1990 inches maximum body inside diameter, 0.3950 inches minimum and 0.4050 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: 0.3950 inches minimum and 0.4050 inches maximum
Body Outside Diameter: 0.3730 inches minimum and 0.3740 inches maximum
Body Inside Diameter: 0.1790 inches minimum and 0.1990 inches maximum
Flange Outside Diameter: 0.4970 inches minimum and 0.5030 inches maximum
Flange Width: 0.0950 inches minimum and 0.1000 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
Hardness Rating: 33.0 rockwell c minimum and 37.0 rockwell c maximum overall
Surface Treatment: cadmium 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
95430	Sleeve Bushing

FAQs

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

What is the FSCG of the NSN 3120-00-540-4949?

The FSCG of the NSN 3120-00-540-4949 is 3120

Does the NSN 3120-00-540-4949 have a Schedule B code assigned?

Yes, the Schedule B code is 8482997060

Does NSN 3120-00-540-4949 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 3120-00-540-4949 contain precious materials?

Precious metal content is unknown

Does NSN 3120-00-540-4949 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 3120-00-540-4949 was assigned to the Federal Catalog?

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