3120-01-285-4973

Find complete technical information, availability, and procurement data for: 3120-01-285-4973
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Federal Supply Group

Bearings

Federal Supply Classification

3120 Unmounted Plain Bearings

National Stock Number

3120-01-285-4973

Item Name Code

13206

Assigment Date

09/14/1988 (37 years ago)

A tubular shaped unthreaded item with or without a flange at one end designed to be inserted into a hole to reduce the inside diameter of the hole and to protect the surrounding body structure from damage resulting from stress, strain, and/or vibration. The overall length must exceed 25 percent of the outside diameter or the shortest distance between peripheral flats of the body. Includes items which are divided into two or more segments which includes 180 degrees (3.141 radians) or less of the bearing periphery. For items made of rubber, see bushing, nonmetallic. See also bearing, sleeve; bushing, tapered; spacer, sleeve; insulator, bushing; and bushing, electrical conductor. Excludes:bushing, drill, jig.

0.8800 inches minimum and 0.8900 inches maximum flange outside diameter, 0.6090 inches minimum and 0.6150 inches maximum body inside diameter, 0.7512 inches minimum and 0.7519 inches maximum body outside diameter, 0.9280 inches minimum and 0.9380 inches maximum overall length, 0.0630 inches minimum and 0.0680 inches maximum flange width

Product Characteristics

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

Overall Length: 0.9280 inches minimum and 0.9380 inches maximum
Body Outside Diameter: 0.7512 inches minimum and 0.7519 inches maximum
Body Inside Diameter: 0.6090 inches minimum and 0.6150 inches maximum
Flange Outside Diameter: 0.8800 inches minimum and 0.8900 inches maximum
Flange Width: 0.0630 inches minimum and 0.0680 inches maximum
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
Corner Shape: undercut left flange body corner
Surface Finish: 63.0 microinches left end surface of body and flange
Surface Finish: 63.0 microinches outside diameter surface of body
Surface Finish: 63.0 microinches outside diameter surface of flange
Surface Finish: 63.0 microinches right end surface of body
Surface Finish: 63.0 microinches right end surface of left flange
Material: copper alloy 630 overall
Material Document And Classification: ams 4640 assn std single material response overall
Style Designator: solid, external flange one end
Specification/Standard Data: 81205-bacb28am manufacturers standard

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
BACB28AM10B087	Sleeve Bushing

FAQs

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

What is the FSCG of the NSN 3120-01-285-4973?

The FSCG of the NSN 3120-01-285-4973 is 3120

Does the NSN 3120-01-285-4973 have a Schedule B code assigned?

Yes, the Schedule B code is 8482997060

Does NSN 3120-01-285-4973 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 3120-01-285-4973 contain precious materials?

Item does not contain precious metal.

Does NSN 3120-01-285-4973 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 3120-01-285-4973 was assigned to the Federal Catalog?

It was assigned 37 years ago, on Wed, Sep 14, 1988