3120-01-109-4511 Thrust Washer Bearing

Comprehensive specifications and application details for NSN: 3120-01-109-4511.

Summary

Explore detailed summary information for bearing: 3120-01-109-4511. Includes NSN, classification group, and identification codes to support sourcing, compliance, and accurate part tracking.

Federal Supply Classification: 3120 Unmounted Plain Bearings
(NSN) National Stock Number: 3120-01-109-4511
Item Name Code: 13211
Federal Item Identification Guide: A045A0
Assigment Date: 03/15/1981

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.

0.0615 inches minimum and 0.0635 inches maximum overall thickness, 2.7500 inches minimum and 2.7800 inches maximum outside diameter, 0.2600 inches minimum and 0.2800 inches maximum key width, 1.9400 inches minimum and 1.9600 inches maximum diameter, mil-b-13506 mil spec single material response overall material document and classification

Datasheet

Below are the comprehensive technical specifications for bearing: 3120-01-109-4511 . Find dimensions, materials, tolerances, performance characteristics, etc.

Diameter: 1.9400 inches minimum and 1.9600 inches maximum
Key Width: 0.2600 inches minimum and 0.2800 inches maximum
Outside Diameter: 2.7500 inches minimum and 2.7800 inches maximum
Overall Thickness: 0.0615 inches minimum and 0.0635 inches maximum
Material Document And Classification: mil-b-13506 mil spec single material response overall
Material: copper alloy overall
Style Designator: round w/square keys

Related Bearings

Explore the various bearing models associated with this NSN. Click on any bearing below to view detailed technical data, performance ratings, and application guidelines.

Part Number	Name
10396078	Thrust Washer Bearing
11629512	Thrust Washer Bearing

Frequently Asked Questions

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What is the FSCG of the NSN 3120-01-109-4511?: The FSCG of the NSN 3120-01-109-4511 is 3120

Does the NSN 3120-01-109-4511 have a Schedule B code assigned?: Yes, the Schedule B code is 8482105008

Does NSN 3120-01-109-4511 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 3120-01-109-4511 contain precious materials?: Item does not contain precious metal.

Does NSN 3120-01-109-4511 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 3120-01-109-4511 was assigned to the Federal Catalog?: It was assigned 45 years ago, on Sun, Mar 15, 1981

Price & Availability

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Stock Availability

This product is available in the following quantities and conditions:

New Material	74
Total	74

Availability of this item was last updated on: 10/22/2025 10:10 PM EDT. Availability may have changed since then. Request a quote for up to date pricing and availability.