3120-01-140-7820

Find complete technical information, availability, and procurement data for: 3120-01-140-7820
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Federal Supply Group

Bearings

Federal Supply Classification

3120 Unmounted Plain Bearings

National Stock Number

3120-01-140-7820

Item Name Code

13205

Assigment Date

10/19/1982 (43 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.

4.1260 inches minimum and 4.1270 inches maximum body inside diameter, square all corners corner shape, 5.9900 inches nominal overall length, 4.2440 inches minimum and 4.2510 inches maximum body outside diameter, split, plain, no outside flanges style designator

Product Characteristics

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

Overall Length: 5.9900 inches nominal
Body Outside Diameter: 4.2440 inches minimum and 4.2510 inches maximum
Body Inside Diameter: 4.1260 inches minimum and 4.1270 inches maximum
Corner Shape: square all corners
Style Designator: split, 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
41083	Sleeve Bearing
LJS-6496	Sleeve Bearing

FAQs

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

What is the FSCG of the NSN 3120-01-140-7820?

The FSCG of the NSN 3120-01-140-7820 is 3120

Does the NSN 3120-01-140-7820 have a Schedule B code assigned?

Yes, the Schedule B code is 8482997090

Does NSN 3120-01-140-7820 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 3120-01-140-7820 contain precious materials?

Item does not contain precious metal.

Does NSN 3120-01-140-7820 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 3120-01-140-7820 was assigned to the Federal Catalog?

It was assigned 43 years ago, on Tue, Oct 19, 1982