520-4863665 ITEM 3

View detailed technical data, stock status, and sourcing information for: 520-4863665 ITEM 3
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Federal Supply Group

Bearings

Federal Supply Classification

3120 Unmounted Plain Bearings

National Stock Number

3120-01-239-3595

Item Name Code

13206

Assigment Date

08/28/1986 (39 years ago)

An item of any peripheral shape usually having one flat or spherical surface and a centrally located hole. It is designed for applications involving moving (kinetic) loads. Except for items fabricated from bearing quality synthetic (plastic) or composed of multilayer material, one bearing surface must either have a specific surface finish designation of 32 microinch (0.8 micrometre) or less, arithmetical average (aa) (arithmetic mean deviation) or one of the following conditions: be lapped or ground; have visible or detectable means of lubrication; grooves, indentations; or self-lubrication. The thickness must not exceed 25 percent of the outside diameter of the shortest distance between peripheral flats (when thickness and/or outside diameter is designated as a tolerance dimension, the maximum dimension will be used to determine compliance). Excludes:straight, tubular (without flange) items having a bearing surface(s) parallel to the axis of the bore only. See also washer, flat and spacer, sleeve.

8.2630 inches minimum and 8.2660 inches maximum left internal flange hole diameter, 8.3800 inches minimum and 8.4000 inches maximum body inside diameter, 9.1200 inches nominal body outside diameter, 0.5000 inches nominal first hole diameter, 18.0000 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: 0.5000 inches nominal first
Overall Length: 18.0000 inches nominal
Body Outside Diameter: 9.1200 inches nominal
Body Inside Diameter: 8.3800 inches minimum and 8.4000 inches maximum
Left Internal Flange Hole Diameter: 8.2630 inches minimum and 8.2660 inches maximum
Right Internal Flange Hole Diameter: 8.2630 inches minimum and 8.2660 inches maximum
Left Internal Flange Width: 4.5000 inches nominal
Right Internal Flange Width: 4.5000 inches nominal
Left Flange Outside Diameter: 9.2520 inches minimum and 9.2540 inches maximum
Right Flange Outside Diameter: 9.2520 inches minimum and 9.2540 inches maximum
Left Flange Width: 4.5000 inches nominal
Right Flange Width: 4.5000 inches nominal
Corner Shape: chamfered outside right corner
Corner Shape: chamfered inside left corner
Corner Shape: chamfered inside right 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 right flange body corner
Corner Shape: square right flange outside left corner
Antirotation/Lubrication Type And Quantity: 8 hole
Special Features: 63.0 microin finish id of internal flanges,250.0 microin finish id of body,125.0 microin finish all other surfaces
Material: copper alloy 903 overall
Material Document And Classification: qq-b-390 fed spec single material response overall
Style Designator: solid, external flanges both ends, interior flange(s) not located at either end

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
4684962-0001	Sleeve Bushing
4863665-0003	Sleeve Bushing
520-4863665 ITEM 3	Sleeve Bushing
87615-2003A ITEM 3	Sleeve Bushing
SSBN520-4863665 ITEM 3	Sleeve Bushing

FAQs

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

What is the FSCG of the NSN 3120-01-239-3595?

The FSCG of the NSN 3120-01-239-3595 is 3120

Does the NSN 3120-01-239-3595 have a Schedule B code assigned?

Yes, the Schedule B code is 8482997060

Does NSN 3120-01-239-3595 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 3120-01-239-3595 contain precious materials?

Item does not contain precious metal.

Does NSN 3120-01-239-3595 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 3120-01-239-3595 was assigned to the Federal Catalog?

It was assigned 39 years ago, on Thu, Aug 28, 1986