3278345

View detailed technical data, stock status, and sourcing information for: 3278345
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Federal Supply Group

Bearings

Federal Supply Classification

3120 Unmounted Plain Bearings

National Stock Number

3120-01-015-9712

Item Name Code

13205

Assigment Date

01/31/1976 (50 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.

0.3906 inches nominal first hole diameter, 0.4800 inches nominal first slot width, 2.1875 inches nominal body outside diameter, 1.8900 inches minimum and 1.9100 inches maximum overall length, 0.7812 inches nominal first slot 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: 0.3906 inches nominal first
Slot Width: 0.4800 inches nominal first
Slot Length: 0.7812 inches nominal first
Overall Length: 1.8900 inches minimum and 1.9100 inches maximum
Body Outside Diameter: 2.1875 inches nominal
Body Inside Diameter: 2.0000 inches nominal
Corner Shape: square all corners
Antirotation/Lubrication Type And Quantity: 1 hole and 1 slot
Material: copper alloy intermediate layer
Material: lead alloy inner layer
Material: steel outer layer
Surface Treatment: tin outer layer
Style Designator: split, plain, no outside flanges

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
3277466	Sleeve Bearing
3278345	Sleeve Bearing
554003	Sleeve Bearing

FAQs

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

What is the FSCG of the NSN 3120-01-015-9712?

The FSCG of the NSN 3120-01-015-9712 is 3120

Does the NSN 3120-01-015-9712 have a Schedule B code assigned?

Yes, the Schedule B code is 8482997090

Does NSN 3120-01-015-9712 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 3120-01-015-9712 contain precious materials?

Item does not contain precious metal.

Does NSN 3120-01-015-9712 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 3120-01-015-9712 was assigned to the Federal Catalog?

It was assigned 50 years ago, on Sat, Jan 31, 1976