68A210057-2033

View detailed technical data, stock status, and sourcing information for: 68A210057-2033
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Federal Supply Group

Bearings

Federal Supply Classification

3120 Unmounted Plain Bearings

National Stock Number

3120-00-242-7926

Item Name Code

13206

Assigment Date

06/09/1973 (53 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.

4.8510 inches minimum and 4.8520 inches maximum body inside diameter, 5.2500 inches nominal flange outside diameter, 5.0585 inches minimum and 5.0590 inches maximum body outside diameter, 1.7750 inches nominal overall length, 0.2000 inches nominal 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: 1.7750 inches nominal
Body Outside Diameter: 5.0585 inches minimum and 5.0590 inches maximum
Body Inside Diameter: 4.8510 inches minimum and 4.8520 inches maximum
Flange Outside Diameter: 5.2500 inches nominal
Flange Width: 0.2000 inches nominal
Right Internal Flange Hole Diameter: 4.4500 inches nominal
Right Internal Flange Width: 0.2000 inches nominal
Corner Shape: chamfered inside left corner
Corner Shape: round outside right corner
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 right corner
Surface Finish: 125.0 microinches outside diameter surface of flange
Surface Finish: 125.0 microinches left end surface of body and flange
Surface Finish: 125.0 microinches right end surface of body
Surface Finish: 125.0 microinches right end surface of left flange
Surface Finish: 32.0 microinches outside diameter surface of body
Surface Finish: 63.0 microinches inside diameter surface of body
Material: copper alloy 172 or copper alloy 173 overall
Style Designator: solid, external flange one end, internal 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
68A210057	Sleeve Bushing
68A210057-2033	Sleeve Bushing
68A210057-2043	Sleeve Bushing

FAQs

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

What is the FSCG of the NSN 3120-00-242-7926?

The FSCG of the NSN 3120-00-242-7926 is 3120

Does the NSN 3120-00-242-7926 have a Schedule B code assigned?

Yes, the Schedule B code is 8482997060

Does NSN 3120-00-242-7926 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 3120-00-242-7926 contain precious materials?

Item does not contain precious metal.

Does NSN 3120-00-242-7926 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 3120-00-242-7926 was assigned to the Federal Catalog?

It was assigned 53 years ago, on Sat, Jun 9, 1973