3120-00-140-4906

Find complete technical information, availability, and procurement data for: 3120-00-140-4906
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Federal Supply Group

Bearings

Federal Supply Classification

3120 Unmounted Plain Bearings

National Stock Number

3120-00-140-4906

Item Name Code

13211

Assigment Date

08/25/1971 (54 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.

0.1200 inches minimum and 0.1300 inches maximum overall thickness, rectangular cross-sectional shape style, 2.2656 inches minimum and 2.2968 inches maximum diameter, 2.5469 inches minimum and 2.5781 inches maximum outside diameter, round center hole shape style

Product Characteristics

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

Cross-Sectional Shape Style: rectangular
Outside Diameter: 2.5469 inches minimum and 2.5781 inches maximum
Center Hole Shape Style: round
Diameter: 2.2656 inches minimum and 2.2968 inches maximum
Overall Thickness: 0.1200 inches minimum and 0.1300 inches maximum
Corner Shape: square all corners
Surface Finish: 125.0 microinches largest outside diameter
Surface Finish: 125.0 microinches inside diameter surface of body
Surface Finish: 63.0 microinches left side
Surface Finish: 63.0 microinches right side
Material: lubricant lubrication
Material: plastic polyamide (nylon) and graphite overall
Material Document And Classification: nylatron,gsvg,96169 mfr ref all material responses overall
Style Designator: round

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
2640-808X1PC28	Thrust Washer Bearing

FAQs

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

What is the FSCG of the NSN 3120-00-140-4906?

The FSCG of the NSN 3120-00-140-4906 is 3120

Does the NSN 3120-00-140-4906 have a Schedule B code assigned?

Yes, the Schedule B code is 8482105008

Does NSN 3120-00-140-4906 require demilitarization?

"commerce control list items (ccli) - mut to the point of scrap required outside the united states. Inside the united states, mut is required when the demil integrity code (ic) is "3" and mut is not required when the demic is "6" (note 8)"

Does NSN 3120-00-140-4906 contain precious materials?

Precious metal content is unknown

Does NSN 3120-00-140-4906 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 3120-00-140-4906 was assigned to the Federal Catalog?

It was assigned 54 years ago, on Wed, Aug 25, 1971