CL51S49-92PC7

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Federal Supply Group

Bearings

Federal Supply Classification

3120 Unmounted Plain Bearings

National Stock Number

3120-00-339-2525

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.

3.2480 inches minimum and 3.2490 inches maximum body outside diameter, 4.7350 inches minimum and 4.7500 inches maximum overall length, 2.5000 inches minimum and 2.5020 inches maximum body inside diameter, 0.3125 inches nominal first hole diameter, 3.7400 inches minimum and 3.7500 inches maximum left flange outside diameter

Product Characteristics

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

Hole Diameter: 0.3125 inches nominal first
Overall Length: 4.7350 inches minimum and 4.7500 inches maximum
Body Outside Diameter: 3.2480 inches minimum and 3.2490 inches maximum
Body Inside Diameter: 2.5000 inches minimum and 2.5020 inches maximum
Left Flange Outside Diameter: 3.7400 inches minimum and 3.7500 inches maximum
Right Flange Outside Diameter: 3.7400 inches minimum and 3.7500 inches maximum
Left Flange Width: 0.5000 inches nominal
Right Flange Width: 0.5000 inches nominal
Lubricant Accommodation Style: grooved circular
Corner Shape: relief groove right flange body corner
Corner Shape: relief groove left flange body corner
Corner Shape: square all corners
Corner Shape: round inside left corner
Corner Shape: round inside right corner
Corner Shape: square left flange outside right corner
Corner Shape: square outside left corner
Corner Shape: square outside right corner
Surface Finish: 125.0 microinches outside diameter surface of body
Surface Finish: 125.0 microinches outside diameter surface of left flange
Surface Finish: 125.0 microinches outside diameter surface of right flange
Surface Finish: 125.0 microinches left end surface of body and flange
Surface Finish: 125.0 microinches left end surface of right flange
Surface Finish: 125.0 microinches right end surface of body and flange
Surface Finish: 125.0 microinches right end surface of left flange
Surface Finish: 32.0 microinches inside diameter surface of body
Antirotation/Lubrication Type And Quantity: 2 hole
Surface Groove Location And Quantity: 2 internal
Special Features: reference spcc procurement spec for additional design data
Material: copper alloy 903 outer layer
Material: lubricant lubrication
Material: tin alloy uns l13890 inner layer
Style Designator: segmented, external flanges both ends

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
184450PC7	Sleeve Bearing
184463PC7	Sleeve Bearing
185822PC7	Sleeve Bearing
186290PC7	Sleeve Bearing
CL51S49-92PC7	Sleeve Bearing
IR3000A7	Sleeve Bearing

FAQs

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

What is the FSCG of the NSN 3120-00-339-2525?

The FSCG of the NSN 3120-00-339-2525 is 3120

Does the NSN 3120-00-339-2525 have a Schedule B code assigned?

Yes, the Schedule B code is 8482997090

Does NSN 3120-00-339-2525 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 3120-00-339-2525 contain precious materials?

Precious metal content is unknown

Does NSN 3120-00-339-2525 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 3120-00-339-2525 was assigned to the Federal Catalog?

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