3120-01-678-4140 Thrust Washer Bearing

Comprehensive specifications and application details for NSN: 3120-01-678-4140.

Summary

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Federal Supply Classification: 3120 Unmounted Plain Bearings
(NSN) National Stock Number: 3120-01-678-4140
Item Name Code: 13211
Federal Item Identification Guide: A045A0
Assigment Date: 02/05/2019

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.

material will be in accordance with navsup-wss activity hx quality control, manufacturing and testing specifications reference number differentiating characteristics, zzzy criticality code justification

Datasheet

Below are the comprehensive technical specifications for bearing: 3120-01-678-4140 . Find dimensions, materials, tolerances, performance characteristics, etc.

Criticality Code Justification: zzzy
Reference Number Differentiating Characteristics: material will be in accordance with navsup-wss activity hx quality control, manufacturing and testing specifications

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
ECOW061201	Thrust Washer Bearing

Frequently Asked Questions

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What is the FSCG of the NSN 3120-01-678-4140?: The FSCG of the NSN 3120-01-678-4140 is 3120

Does the NSN 3120-01-678-4140 have a Schedule B code assigned?: Yes, the Schedule B code is 8482105008

Does NSN 3120-01-678-4140 require demilitarization?: Usml or ccl military items - demil required. Item managers,, equipment specialists, or product specialists must furnish special demilinstructions. (note 3).

Does NSN 3120-01-678-4140 contain precious materials?: Item does not contain precious metal.

Does NSN 3120-01-678-4140 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.