C3107746 REV C

View detailed technical data, stock status, and sourcing information for: C3107746 REV C
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Federal Supply Group

Bearings

Federal Supply Classification

3120 Unmounted Plain Bearings

National Stock Number

3120-00-390-3791

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.

2.5050 inches minimum and 2.5060 inches maximum body inside diameter, 0.1870 inches nominal first hole diameter, 2.0000 inches nominal overall length, 4.9990 inches minimum and 5.0000 inches maximum body outside diameter, 5.3750 inches nominal 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: 0.1870 inches nominal first
Overall Length: 2.0000 inches nominal
Body Outside Diameter: 4.9990 inches minimum and 5.0000 inches maximum
Body Inside Diameter: 2.5050 inches minimum and 2.5060 inches maximum
Left Flange Outside Diameter: 5.3750 inches nominal
Right Flange Outside Diameter: 5.3750 inches nominal
Left Flange Width: 0.1718 inches nominal
Right Flange Width: 0.1718 inches nominal
Lubricant Accommodation Style: grooved circular
Corner Shape: square all corners
Antirotation/Lubrication Type And Quantity: 4 hole
Surface Groove Location And Quantity: 1 external
Material: steel outer layer
Material: tin alloy 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
127D827-001	Sleeve Bearing
127D827PC1	Sleeve Bearing
C3107746 REV C	Sleeve Bearing
D3175145 REV D	Sleeve Bearing

FAQs

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

What is the FSCG of the NSN 3120-00-390-3791?

The FSCG of the NSN 3120-00-390-3791 is 3120

Does the NSN 3120-00-390-3791 have a Schedule B code assigned?

Yes, the Schedule B code is 8482997090

Does NSN 3120-00-390-3791 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 3120-00-390-3791 contain precious materials?

Item does not contain precious metal.

Does NSN 3120-00-390-3791 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 3120-00-390-3791 was assigned to the Federal Catalog?

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