768-3432-001

View detailed technical data, stock status, and sourcing information for: 768-3432-001
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Federal Supply Group

Bearings

Federal Supply Classification

3120 Unmounted Plain Bearings

National Stock Number

3120-01-012-7439

Item Name Code

13206

Assigment Date

11/18/1975 (50 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.

0.7120 inches nominal left internal flange width, 0.3590 inches nominal body inside diameter, 1.3500 inches nominal overall length, 0.2030 inches nominal left internal flange hole diameter, 0.5400 inches nominal body outside diameter

Product Characteristics

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

Overall Length: 1.3500 inches nominal
Body Outside Diameter: 0.5400 inches nominal
Body Inside Diameter: 0.3590 inches nominal
Left Internal Flange Hole Diameter: 0.2030 inches nominal
Left Internal Flange Width: 0.7120 inches nominal
Lubricant Accommodation Style: grooved circular
Corner Shape: square all corners
Surface Finish: 63.0 microinches intermediate layer
Surface Groove Location And Quantity: 1 external
Special Features: right end corner of body relieved to 0.4190 in. min 0.4210 in. max dia 0.1000 in. lg
Material: aluminum alloy 6061 overall
Material Document And Classification: qq-a-225/8,t6 fed spec single material response overall
Style Designator: solid, plain, no outside flanges, internal flange one 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
768-3432-001	Sleeve Bushing

FAQs

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

What is the FSCG of the NSN 3120-01-012-7439?

The FSCG of the NSN 3120-01-012-7439 is 3120

Does the NSN 3120-01-012-7439 have a Schedule B code assigned?

Yes, the Schedule B code is 8482997060

Does NSN 3120-01-012-7439 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 3120-01-012-7439 contain precious materials?

Precious metal content is unknown

Does NSN 3120-01-012-7439 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 3120-01-012-7439 was assigned to the Federal Catalog?

It was assigned 50 years ago, on Tue, Nov 18, 1975