3120-01-215-5441

Find complete technical information, availability, and procurement data for: 3120-01-215-5441
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Federal Supply Group

Bearings

Federal Supply Classification

3120 Unmounted Plain Bearings

National Stock Number

3120-01-215-5441

Item Name Code

13208

Assigment Date

08/26/1985 (40 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.

55.0 rockwell c minimum and 62.0 rockwell c maximum inner member hardness rating, 0.8880 inches minimum and 0.8920 inches maximum inner member width, 0.5000 inches minimum and 0.5005 inches maximum bore diameter, 1.4370 inches minimum and 1.4375 inches maximum outer member outside diameter, 0.5880 inches minimum and 0.5980 inches maximum outer member width

Product Characteristics

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

Bore Diameter: 0.5000 inches minimum and 0.5005 inches maximum
Outer Member Outside Diameter: 1.4370 inches minimum and 1.4375 inches maximum
Outer Member Width: 0.5880 inches minimum and 0.5980 inches maximum
Inner Member Width: 0.8880 inches minimum and 0.8920 inches maximum
Hardness Rating: 55.0 rockwell c minimum and 62.0 rockwell c maximum inner member
Hardness Rating: 28.0 rockwell c minimum and 37.0 rockwell c maximum race insert
Material: steel overall
Material Document And Classification: ams 5630 assn std 1st material response and ams 5643 assn std 2nd material response overall
Surface Treatment: passivate overall
Surface Treatment Document And Classification: d8-5000,vf6.0 fscm 77272 mfr ref single treatment response overall
Style Designator: with insert and/or liner

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
03-654-08E-004	Self-Aligning Plain Bearing
A02RS370-1	Self-Aligning Plain Bearing
ATSB8-18D	Self-Aligning Plain Bearing

FAQs

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

What is the FSCG of the NSN 3120-01-215-5441?

The FSCG of the NSN 3120-01-215-5441 is 3120

Does the NSN 3120-01-215-5441 have a Schedule B code assigned?

Yes, the Schedule B code is 8482300040

Does NSN 3120-01-215-5441 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 3120-01-215-5441 contain precious materials?

Item does not contain precious metal.

Does NSN 3120-01-215-5441 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 3120-01-215-5441 was assigned to the Federal Catalog?

It was assigned 40 years ago, on Mon, Aug 26, 1985