3120-00-502-5003

Find complete technical information, availability, and procurement data for: 3120-00-502-5003
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Federal Supply Group

Bearings

Federal Supply Classification

3120 Unmounted Plain Bearings

National Stock Number

3120-00-502-5003

Item Name Code

13205

Assigment Date

01/01/1963 (63 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.

1.3270 inches minimum and 1.3280 inches maximum flange outside diameter, 0.4680 inches nominal overall length, 0.1980 inches nominal flange width, 0.9530 inches minimum and 0.9540 inches maximum body inside diameter, 1.2205 inches minimum and 1.2210 inches maximum 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: 0.4680 inches nominal
Body Outside Diameter: 1.2205 inches minimum and 1.2210 inches maximum
Body Inside Diameter: 0.9530 inches minimum and 0.9540 inches maximum
Flange Outside Diameter: 1.3270 inches minimum and 1.3280 inches maximum
Flange Width: 0.1980 inches nominal
Corner Shape: square left flange body corner
Corner Shape: square left flange outside right corner
Corner Shape: square outside left corner
Corner Shape: square inside left corner
Corner Shape: square inside right corner
Corner Shape: square outside right corner
Surface Finish: 125.0 microinches outside diameter surface of flange
Surface Finish: 125.0 microinches left end surface of body and flange
Surface Finish: 125.0 microinches spherical surface
Surface Finish: 125.0 microinches right end surface of body
Surface Finish: 125.0 microinches right end surface of left flange
Surface Finish: 63.0 microinches inside diameter surface of body
Material: copper alloy 510 overall
Material: lubricant lubrication
Material Document And Classification: qq-b-746,comp a hard fed spec all material responses overall
Style Designator: solid, external 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
5025003	Sleeve Bearing

FAQs

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

What is the FSCG of the NSN 3120-00-502-5003?

The FSCG of the NSN 3120-00-502-5003 is 3120

Does the NSN 3120-00-502-5003 have a Schedule B code assigned?

Yes, the Schedule B code is 8482997090

Does NSN 3120-00-502-5003 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 3120-00-502-5003 contain precious materials?

Precious metal content is unknown

Does NSN 3120-00-502-5003 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 3120-00-502-5003 was assigned to the Federal Catalog?

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