3120-01-348-8581 Self-Aligning Plain Bearing

Comprehensive specifications and application details for NSN: 3120-01-348-8581.

Summary

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Federal Supply Classification: 3120 Unmounted Plain Bearings
(NSN) National Stock Number: 3120-01-348-8581
Item Name Code: 13208
Federal Item Identification Guide: A045A0
Assigment Date: 11/18/1991

A detachable assembly in or on which a journal, gudgeon, pivot, or the like moves. It is used to carry a load and to reduce sliding friction. It does not employ rolling elements. The item consists of a bored precision ground ball (or spherical plain bearing) around which an outer ring is fitted. The assembly may be either separable or nonseparable. Excludes:bearing, plain, rod end and bearing, plain, spherical.

56.0 rockwell c minimum inner member hardness rating, ams 5630 assn std single material response inner member material document and classification, 0.3410 inches minimum and 0.3430 inches maximum inner member width, 27.0 rockwell c minimum and 36.0 rockwell c maximum outer race member hardness rating, 0.2495 inches minimum and 0.2500 inches maximum bore diameter

Datasheet

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Bore Diameter: 0.2495 inches minimum and 0.2500 inches maximum
Hardness Rating: 56.0 rockwell c minimum inner member
Hardness Rating: 27.0 rockwell c minimum and 36.0 rockwell c maximum outer race member
Inner Member Width: 0.3410 inches minimum and 0.3430 inches maximum
Material Document And Classification: ams 5630 assn std single material response inner member
Material Document And Classification: mil-g-21164 mil spec single material response lubrication
Material: copper alloy outer race member
Material: grease and disulfide molybdenum lubrication
Material: steel comp 440c inner member
Outer Member Outside Diameter: 0.6557 inches minimum and 0.6562 inches maximum
Outer Member Width: 0.2450 inches minimum and 0.2550 inches maximum
Static Radial Load Rating: 4300 pounds
Style Designator: without insert or liner
Surface Treatment Document And Classification: qq-c-320 fed spec single treatment response inner member
Surface Treatment Document And Classification: qq-p-416,type 2,class 2 fed spec single treatment response outer race member
Surface Treatment: cadmium and chromate outer race member
Surface Treatment: chromium inner member

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
MS21154B4	Self-Aligning Plain Bearing

Frequently Asked Questions

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What is the FSCG of the NSN 3120-01-348-8581?: The FSCG of the NSN 3120-01-348-8581 is 3120

Does the NSN 3120-01-348-8581 have a Schedule B code assigned?: Yes, the Schedule B code is 8482300040

Does NSN 3120-01-348-8581 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 3120-01-348-8581 contain precious materials?: Item does not contain precious metal.

Does NSN 3120-01-348-8581 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.