3120-01-321-9771 Thrust Washer Bearing

Comprehensive specifications and application details for NSN: 3120-01-321-9771.

Summary

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Federal Supply Classification: 3120 Unmounted Plain Bearings
(NSN) National Stock Number: 3120-01-321-9771
Item Name Code: 13211
Federal Item Identification Guide: A045A0
Assigment Date: 06/27/1990

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.

round center hole shape style, 1.5000 inches nominal diameter, rectangular cross-sectional shape style, 1.6350 inches minimum and 1.6450 inches maximum outside diameter, square all corners corner shape

Datasheet

Below are the comprehensive technical specifications for bearing: 3120-01-321-9771 . Find dimensions, materials, tolerances, performance characteristics, etc.

Center Hole Shape Style: round
Corner Shape: square all corners
Cross-Sectional Shape Style: rectangular
Diameter: 1.5000 inches nominal
Outside Diameter: 1.6350 inches minimum and 1.6450 inches maximum
Overall Thickness: 0.2550 inches minimum and 0.2650 inches maximum
Material Document And Classification: mil-p-24691/3,type 1,class 3 mil spec single material response overall
Material: steel comp 304 overall
Style Designator: round
Surface Finish: 32.0 microinches left side
Surface Finish: 32.0 microinches right side
Surface Treatment Document And Classification: qq-p-35 fed spec single treatment response overall
Surface Treatment: passivate overall

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
5186873-1	Thrust Washer Bearing

Frequently Asked Questions

Find quick answers to common questions about bearing: 3120-01-321-9771. Explore technical specifications, installation tips, maintenance guidelines, regulatory requirements, and troubleshooting advice.

What is the FSCG of the NSN 3120-01-321-9771?: The FSCG of the NSN 3120-01-321-9771 is 3120

Does the NSN 3120-01-321-9771 have a Schedule B code assigned?: Yes, the Schedule B code is 8482105008

Does NSN 3120-01-321-9771 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 3120-01-321-9771 contain precious materials?: Item does not contain precious metal.

Does NSN 3120-01-321-9771 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.