3120-00-451-5251

Find complete technical information, availability, and procurement data for: 3120-00-451-5251
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Federal Supply Group

Bearings

Federal Supply Classification

3120 Unmounted Plain Bearings

National Stock Number

3120-00-451-5251

Item Name Code

13205

Assigment Date

06/02/1971 (55 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.

0.0600 inches nominal first hole diameter, 2.2500 inches nominal body outside diameter, 1.9940 inches minimum and 1.9990 inches maximum body inside diameter, 2.6880 inches nominal flange outside diameter, 1.0360 inches nominal overall length

Product Characteristics

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

Hole Diameter: 0.0600 inches nominal first
Overall Length: 1.0360 inches nominal
Body Outside Diameter: 2.2500 inches nominal
Body Inside Diameter: 1.9940 inches minimum and 1.9990 inches maximum
Flange Outside Diameter: 2.6880 inches nominal
Flange Width: 0.1560 inches nominal
Lubricant Accommodation Style: grooved circular
Corner Shape: chamfered outside right corner
Corner Shape: chamfered inside left corner
Corner Shape: chamfered outside left corner
Corner Shape: square left flange body corner
Corner Shape: square left flange outside right corner
Corner Shape: square inside right corner
Surface Finish: 125.0 microinches overall
Antirotation/Lubrication Type And Quantity: 2 hole
Material: copper alloy 172 or copper alloy 173 overall
Style Designator: solid, external flange one end
Test Data Document: "81349-mil-i-6866 specification (includes engineering type bulletins, brochures,etc., that reflect specification type data in specification format; excludes commercial catalogs, industry directories, and similar trade publications, reflecting general type data on certain environmental and performance requirements and test conditions that are shown as "typical", "average", "nominal", etc.)."

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
2578511-001A	Sleeve Bearing

FAQs

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

What is the FSCG of the NSN 3120-00-451-5251?

The FSCG of the NSN 3120-00-451-5251 is 3120

Does the NSN 3120-00-451-5251 have a Schedule B code assigned?

Yes, the Schedule B code is 8482997090

Does NSN 3120-00-451-5251 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 3120-00-451-5251 contain precious materials?

Item does not contain precious metal.

Does NSN 3120-00-451-5251 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 3120-00-451-5251 was assigned to the Federal Catalog?

It was assigned 55 years ago, on Wed, Jun 2, 1971