303939R1

View detailed technical data, stock status, and sourcing information for: 303939R1
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Federal Supply Group

Bearings

Federal Supply Classification

3120 Unmounted Plain Bearings

National Stock Number

3120-00-066-8811

Item Name Code

13205

Assigment Date

01/01/1963 (63 years ago)

A tubular shaped item with or without flange(s) designed to reduce friction and carry a kinetic load on the surface(s) parallel to the axis of the bore. It must have a visible or detectable means of lubrication or be self-lubricated. The over all length must exceed 25 percent of the outside diameter or the shortest distance between peripheral flats of the body, except for straight tubular (without flange or shoulder) items having a bearing surface(s) parallel to the axis of the bore only. Includes items which are divided into two or more segments which include 180 degrees (3.141 radians) or less of the bearing periphery. See also bushing, sleeve; spacer, sleeve; and washer (as modified). Excludes:pin, hollow.

1.0000 inches nominal body outside diameter, 1.1250 inches nominal overall length, 0.8750 inches nominal body inside diameter, 0.2500 inches nominal first hole diameter, grooved circular lubricant accommodation style

Product Characteristics

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

Hole Diameter: 0.2500 inches nominal first
Overall Length: 1.1250 inches nominal
Body Outside Diameter: 1.0000 inches nominal
Body Inside Diameter: 0.8750 inches nominal
Lubricant Accommodation Style: grooved circular
Corner Shape: chamfered outside right corner
Corner Shape: square outside left corner
Corner Shape: square inside left corner
Corner Shape: square inside right corner
Antirotation/Lubrication Type And Quantity: 1 hole
Surface Groove Location And Quantity: 1 internal
Material: steel outer layer
Surface Treatment: nickel alloy inner layer
Style Designator: solid, 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
303939R1	Sleeve Bearing

FAQs

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

What is the FSCG of the NSN 3120-00-066-8811?

The FSCG of the NSN 3120-00-066-8811 is 3120

Does the NSN 3120-00-066-8811 have a Schedule B code assigned?

Yes, the Schedule B code is 8482997090

Does NSN 3120-00-066-8811 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 3120-00-066-8811 contain precious materials?

Item does not contain precious metal.

Does NSN 3120-00-066-8811 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 3120-00-066-8811 was assigned to the Federal Catalog?

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